java.io.IOException: null

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java.io.IOException: null
at com.rabbitmq.client.impl.ChannelN.close(ChannelN.java:548)
at com.rabbitmq.client.impl.ChannelN.close(ChannelN.java:503)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.thenewmotion.akka.rabbitmq.RabbitMqActor$class.closeIfOpen(RabbitMqActor.scala:27)
at com.thenewmotion.akka.rabbitmq.ChannelActor.closeIfOpen(ChannelActor.scala:34)
at com.thenewmotion.akka.rabbitmq.ChannelActor$$anonfun$2.applyOrElse(ChannelActor.scala:115)
at com.thenewmotion.akka.rabbitmq.ChannelActor$$anonfun$2.applyOrElse(ChannelActor.scala:112)
at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36)
at com.thenewmotion.akka.rabbitmq.ChannelActor.processEvent(ChannelActor.scala:34)
at akka.actor.FSM$class.akka$actor$FSM$$processMsg(FSM.scala:648)
at akka.actor.FSM$$anonfun$receive$1.applyOrElse(FSM.scala:642)
at com.thenewmotion.akka.rabbitmq.ChannelActor.aroundReceive(ChannelActor.scala:34)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)
at akka.actor.ActorCell.invoke(ActorCell.scala:495)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)
at akka.dispatch.Mailbox.run(Mailbox.scala:224)
at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)

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