java.lang.NoClassDefFoundError

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This means you're missing a class that Java needs for this program. Check if you're not missing the jsr305-1.3.7.jar from your classpath, it's the jar that contains the class javax.annotation.Nullable.

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    • java.lang.NoClassDefFoundError: org/jboss
    • etty/util/internal/ExecutorUtil at org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.releaseExternalResources(NioServerSocketChannelFactory.java:146)[netty-3.2.5.Final.jar:na] at org.jboss.netty.bootstrap.Bootstrap.releaseExternalResources(Bootstrap.java:324)[netty-3.2.5.Final.jar:na] at com.alibaba.dubbo.remoting.transport.netty.NettyServer.doClose(NettyServer.java:124)[dubbo-2.5.3.jar:2.5.3] at com.alibaba.dubbo.remoting.transport.AbstractServer.close(AbstractServer.java:155)[dubbo-2.5.3.jar:2.5.3] at com.alibaba.dubbo.remoting.transport.AbstractServer.close(AbstractServer.java:163)[dubbo-2.5.3.jar:2.5.3] at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeServer.close(HeaderExchangeServer.java:121)[dubbo-2.5.3.jar:2.5.3] at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol.destroy(DubboProtocol.java:395)[dubbo-2.5.3.jar:2.5.3] at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.destroy(ProtocolFilterWrapper.java:66)[dubbo-2.5.3.jar:2.5.3] at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.destroy(ProtocolListenerWrapper.java:72)[dubbo-2.5.3.jar:2.5.3] at com.alibaba.dubbo.config.ProtocolConfig.destroyAll(ProtocolConfig.java:435)[dubbo-2.5.3.jar:2.5.3] at com.alibaba.dubbo.config.AbstractConfig$1.run(AbstractConfig.java:452)[dubbo-2.5.3.jar:2.5.3] at java.lang.Thread.run(Thread.java:722)[na:1.7.0_03] Caused by: java.lang.ClassNotFoundException: org.jboss.netty.util.internal.ExecutorUtil at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1711)[na:na] at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1556)[na:na] ... 12 more

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