[jboss-jira] [JBoss JIRA] (WFLY-4480) Websocket exception using async remote

[nicolas desmaziers (JIRA)]

nicolas desmaziers created WFLY-4480:
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             Summary: Websocket exception using async remote
                 Key: WFLY-4480
                 URL: https://issues.jboss.org/browse/WFLY-4480
             Project: WildFly
          Issue Type: Bug
          Components: Web Sockets
    Affects Versions: 9.0.0.Beta2
            Reporter: nicolas desmaziers
            Assignee: Stuart Douglas


Sending binary messages on the  AsyncRemote endpoint throws an error in the log:
21:11:28,747 ERROR [org.xnio.listener] (default I/O-6) XNIO001007: A channel event listener threw an exception: java.lang.IllegalStateException: XNIO000017: Buffer was already freed
	at org.xnio.ByteBufferSlicePool$PooledByteBuffer.getResource(ByteBufferSlicePool.java:206)
	at org.xnio.ByteBufferSlicePool$PooledByteBuffer.getResource(ByteBufferSlicePool.java:176)
	at io.undertow.server.protocol.framed.AbstractFramedChannel.flushSenders(AbstractFramedChannel.java:490)
	at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameWriteListener.handleEvent(AbstractFramedChannel.java:793)
	at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameWriteListener.handleEvent(AbstractFramedChannel.java:790)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.WriteReadyHandler$ChannelListenerHandler.writeReady(WriteReadyHandler.java:65)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:93)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:539)

This happens after a few minutes and generally the number of errors increase rapidly and we can easily have a 2Go log after a few hours.

Code is:

session.getAsyncRemote.sendBinary(event.asReadOnlyBuffer(), new SendHandler(){
          override def onResult(result:SendResult) {
          }
        })

It worked well with wildly 9.0 alpha 1 but bug appeared with beta 2.

I generally receive a close event on the web socket session after the error logging.




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