Java Tomcat上的Spring数据和Cassandra-io.netty.channel.AbstractChannelHandlerContext InvokeeExceptionCapture_Java_Tomcat_Cassandra_Spring Data_Netty

Java Tomcat上的Spring数据和Cassandra-io.netty.channel.AbstractChannelHandlerContext InvokeeExceptionCapture

java tomcat cassandra netty

Java Tomcat上的Spring数据和Cassandra-io.netty.channel.AbstractChannelHandlerContext InvokeeExceptionCapture,java,tomcat,cassandra,spring-data,netty,Java,Tomcat,Cassandra,Spring Data,Netty,我正在使用Spring数据和Cassandra开发一个单点登录web应用程序。我只是使用下面的链接作为参考来创建casssandra配置，我正在使用Tomcat 问题是不断收到警告信息。原因可能是什么，如何克服 io.netty.channel.AbstractChannelHandlerContext invokeExceptionCaught WARNING: An exception was thrown by a user handler's exceptionCaught() met

我正在使用Spring数据和Cassandra开发一个单点登录web应用程序。我只是使用下面的链接作为参考来创建casssandra配置，我正在使用Tomcat

问题是不断收到警告信息。原因可能是什么，如何克服

io.netty.channel.AbstractChannelHandlerContext invokeExceptionCaught
WARNING: An exception was thrown by a user handler's exceptionCaught() method while handling the following exception:
java.lang.NoClassDefFoundError: io/netty/handler/timeout/IdleStateEvent
    at io.netty.handler.timeout.IdleStateHandler$AllIdleTimeoutTask.run(IdleStateHandler.java:433)
    at io.netty.util.concurrent.PromiseTask$RunnableAdapter.call(PromiseTask.java:38)
    at io.netty.util.concurrent.ScheduledFutureTask.run(ScheduledFutureTask.java:120)
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
    at java.lang.Thread.run(Unknown Source)