GenericObjectPool java.lang.NoClassDefFoundError

启动myeclipse工程后

MyEclipse6.0控制台下的错误提示:

Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [applicationContext.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool

Caused by: java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool

at java.lang.Class.getDeclaredConstructors0(Native Method)

at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)

at java.lang.Class.getConstructor0(Class.java:2671)

at java.lang.Class.getDeclaredConstructor(Class.java:1953)

 

<bean id="mysqldb"  class="org.apache.commons.dbcp.BasicDataSource">

 

虽然配置文件里用的是dbcp连接池  但使用过程中要导入commons-pool包才能好使,非常奇怪,按说这两个连接池应该是相互独立的,还不知道为什么用dbcp连接池时要用commons pool的包。

 

参考:http://ethip.iteye.com/blog/237119

java.lang.NoClassDefFoundError: Could not initialize class io.netty.util.internal.PlatformDependent0 at io.netty.util.internal.PlatformDependent.getSystemClassLoader(PlatformDependent.java:694) at io.netty.channel.nio.NioEventLoop$4.run(NioEventLoop.java:171) at java.base/java.security.AccessController.doPrivileged(AccessController.java:319) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:167) at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:149) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:102) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:64) at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:49) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:70) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:65) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:56) at org.apache.rocketmq.remoting.netty.NettyRemotingClient.<init>(NettyRemotingClient.java:122) at org.apache.rocketmq.client.impl.MQClientAPIImpl.<init>(MQClientAPIImpl.java:188) at org.apache.rocketmq.client.impl.factory.MQClientInstance.<init>(MQClientInstance.java:133) at org.apache.rocketmq.client.impl.MQClientManager.getOrCreateMQClientInstance(MQClientManager.java:53) at org.apache.rocketmq.tools.admin.DefaultMQAdminExtImpl.start(DefaultMQAdminExtImpl.java:120) at org.apache.rocketmq.tools.admin.DefaultMQAdminExt.start(DefaultMQAdminExt.java:145) at org.apache.rocketmq.dashboard.admin.MQAdminFactory.getInstance(MQAdminFactory.java:53) at org.apache.rocketmq.dashboard.admin.MQAdminPooledObjectFactory.makeObject(MQAdminPooledObjectFactory.java:35) at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:888) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:432) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObject
03-12
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值