关于hibernater找不到表

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今天在将数据List 插入表中，发现报错，但是说没有table

我看看xml 配置是update

后来实在找不到错误，于是将那个文件放在oracle上面跑

但是，后来发现是<mapping>其他对文件的印象，我现在只留一个单个文件就可以跑

百度上我找了找，他说是方言，希望为你们带来解决方法

这是我的xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
   "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
   "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
   <session-factory>
       <property name="hibernate.connection.driver_class">org.gjt.mm.mysql.Driver</property>
        <property name="hibernate.connection.password">root</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost/ssh</property>
        <property name="hibernate.connection.username">root</property>

        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>

         <property name="hibernate.c3p0.max_size">20</property>
        <property name="hibernate.c3p0.min_size">1</property>
        <property name="hibernate.c3p0.timeout">5000</property>
        <property name="hibernate.c3p0.max_statements">100</property>
        <property name="hibernate.c3p0.idle_test_period">3000</property>
        <property name="hibernate.c3p0.acquire_increment">2</property>
        <property name="hibernate.c3p0.validate">true</property>

       <property name="hibernate.show_sql">true</property>
       <property name="hibernate.format_sql">true</property>
       <property name="hibernate.hbm2ddl.auto">update</property>



        <mapping class="com.test.model.Person_Set_Map"/>

   </session-factory>

</hibernate-configuration>

---------------------------------------------------------------

这是之之前的xml,

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
        <property name="hibernate.connection.driver_class">org.gjt.mm.mysql.Driver</property>
        <property name="hibernate.connection.password">root</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost/ssh</property>
        <property name="hibernate.connection.username">root</property>

        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>


        <property name="hibernate.c3p0.max_size">20</property>
        <property name="hibernate.c3p0.min_size">1</property>
        <property name="hibernate.c3p0.timeout">5000</property>
        <property name="hibernate.c3p0.max_statements">100</property>
        <property name="hibernate.c3p0.idle_test_period">3000</property>
        <property name="hibernate.c3p0.acquire_increment">2</property>
        <property name="hibernate.c3p0.validate">true</property>


        <property name="hibernate.show_sql">true</property>
        <property name="hibernate.format_sql">true</property>
        <property name="hibernate.hbm2ddl.auto">update</property>   


        <mapping class="com.test.model.User"/>
        <mapping class="com.test.model.News"/>
        <mapping class="com.test.model.TestGenerAated"/>
        <mapping class="com.test.model.EnumeratedTest"/>
        <mapping class="com.test.model.Person"/>
        <mapping class="com.test.model.DateTest"/>
        <mapping class="com.test.model.TableGenerator"/>
        <mapping class="com.test.model.UUIDTest"/>
        <mapping class="com.test.model.Person_Set_Map"/>
    </session-factory>
</hibernate-configuration>

-----------------------------------------------

<mapping class="com.test.model.Person"/>
这个mapping的错误，可能是名字重复，

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