java.lang.StackOverflowError异常解决

在Hibernate一对多映射中，两个实体都重写了toString()方法，，应用程序递归太深了，所以发生了堆栈溢出。解决方法就是将多的一方对象里面重写的toString方法去掉，或者两个对象里面重写的toString方法都去掉

另一个问题是将一方的inserse设置为true，只有一方维护关系，否则会造成重复更新。

java.lang.StackOverflowErrorat java.util.HashMap$HashIterator.<init>(HashMap.java:778)at java.util.HashMap$KeyIterator.<init>(HashMap.java:826)at java.util.HashMap$KeyIterator.<init>(HashMap.java:826)at java.util.HashMap.newKeyIterator(HashMap.java:840)at java.util.HashMap$KeySet.iterator(HashMap.java:874)at java.util.HashSet.iterator(HashSet.java:153)at java.util.AbstractCollection.toString(AbstractCollection.java:414)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at java.util.AbstractCollection.toString(AbstractCollection.java:422)at org.hibernate.collection.PersistentSet.toString(PersistentSet.java:333)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.Teacher.toString(Teacher.java:68)at java.lang.String.valueOf(String.java:2827)at java.lang.StringBuilder.append(StringBuilder.java:115)at com.wss.domain.TeachClass.toString(TeachClass.java:166)