java Exception: NoClassDefFoundError: org/apache/commons/pool/KeyedObjectPoolFactory
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java中使用连接池技术连接数据库相关服务时,在相关的jar文件已导入(ojdbc/commons-dbcp-xxx)，在用BasicDataSource bds = new BasicDataSource ()时，提示出现如下错误！
NoClassDefFoundError:org/apache/commons/pool/KeyedObjectPoolFactory
解决方法：分析上面的错误，是缺少相应的类文件
方法一:需要下载并添加一个叫common-pool的jar包。
方法二:如果有common-pool-2.XXX的包,将其替换为:commons-pool-1.6.jar.
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- java Exception: NoClassDefFoundError: org/apache/commons/pool/KeyedObjectPoolFactory
- NoClassDefFoundError: org/apache/commons/pool/KeyedObjectPoolFactory
- java.lang.NoClassDefFoundError: org/apache/commons/pool/KeyedObjectPoolFactory
- java.lang.ClassNotFoundException: org.apache.commons.pool.KeyedObjectPoolFactory解决方案
- nested exception is java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool
- nested exception is java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool
- nested exception is java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool
- java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool
- java.lang.NoClassDefFoundError: org/apache/commons/pool/ObjectPool
- Caused by: java.lang.NoClassDefFoundError: org/apache/commons/pool/BasePoolableObjectFactory
- java.lang.NoClassDefFoundError: org/apache/commons/pool/ObjectPool
- java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
- java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
- java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
- java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
- java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
- java.lang.NoClassDefFoundError:org/apache/commons/lang/exception/NestableRuntimeException
- java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException
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