Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

java.nio.channels.ClosedChannelException: null	at org.jboss.netty.channel.socket.nio.NioWorker.cleanUpWriteBuffer(NioWorker.java:649)	at org.jboss.netty.channel.socket.nio.NioWorker.writeFromUserCode(NioWorker.java:370)	at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:117)	at org.jboss.netty.channel.Channels.write(Channels.java:632)	at org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:70)	at org.jboss.netty.channel.Channels.write(Channels.java:611)	at org.jboss.netty.channel.Channels.write(Channels.java:578)	at org.jboss.netty.channel.AbstractChannel.write(AbstractChannel.java:259)	at backtype.storm.messaging.netty.Client.flushRequest(Client.java:328)	at backtype.storm.messaging.netty.Client.close(Client.java:272)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:616)	at clojure.lang.Reflector.invokeMatchingMethod(Reflector.java:93)	at clojure.lang.Reflector.invokeNoArgInstanceMember(Reflector.java:298)	at backtype.storm.daemon.worker$mk_refresh_connections$this__5887.invoke(worker.clj:284)	at backtype.storm.daemon.worker$mk_refresh_connections$this__5887.invoke(worker.clj:250)	at backtype.storm.timer$schedule_recurring$this__1134.invoke(timer.clj:99)	at backtype.storm.timer$mk_timer$fn__1117$fn__1118.invoke(timer.clj:50)	at backtype.storm.timer$mk_timer$fn__1117.invoke(timer.clj:42)	at clojure.lang.AFn.run(AFn.java:24)	at java.lang.Thread.run(Thread.java:679)