A reference to AMQChannel object is not removed from
SimpleAMQQueue#_blockedChannels map on closing connections with producer side
flow control when flow is blocked
--------------------------------------------------------------------------------------------------------------------------------------------------------------------
Key: QPID-3895
URL: https://issues.apache.org/jira/browse/QPID-3895
Project: Qpid
Issue Type: Bug
Components: Java Broker
Affects Versions: 0.14, 0.13, 0.12, 0.11, 0.10, 0.9, 0.8, 0.7, 0.6
Reporter: Alex Rudyy
A reference to AMQChannel object is not removed from
SimpleAMQQueue#_blockedChannels map on closing connections with producer side
flow control when flow is blocked.
This can result in memory leaks. Also, the subsequent invocations of operations
like SimpleAMQQueue#delete can results in failures similar to the one below
{noformat}
2012-03-07 19:22:37,132 ERROR [IoReceiver - /169.82.100.202:51439]
(LocalTransaction.java:265) - Failed to commit transaction
org.apache.qpid.transport.SenderClosedException: sender is closed
at org.apache.qpid.transport.network.io.IoSender.send(IoSender.java:114)
at org.apache.qpid.transport.network.io.IoSender.send(IoSender.java:40)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.writeFrame(AMQProtocolEngine.java:558)
at org.apache.qpid.server.AMQChannel.flow(AMQChannel.java:1403)
at org.apache.qpid.server.AMQChannel.unblock(AMQChannel.java:1384)
at
org.apache.qpid.server.queue.SimpleAMQQueue.checkCapacity(SimpleAMQQueue.java:1696)
at
org.apache.qpid.server.queue.SimpleAMQQueue.dequeue(SimpleAMQQueue.java:897)
at
org.apache.qpid.server.queue.QueueEntryImpl.dequeue(QueueEntryImpl.java:376)
at
org.apache.qpid.server.queue.QueueEntryImpl.discard(QueueEntryImpl.java:407)
at
org.apache.qpid.server.queue.SimpleAMQQueue$13.postCommit(SimpleAMQQueue.java:1608)
at
org.apache.qpid.server.txn.LocalTransaction.commit(LocalTransaction.java:260)
at
org.apache.qpid.server.txn.LocalTransaction.commit(LocalTransaction.java:241)
at
org.apache.qpid.server.queue.SimpleAMQQueue.delete(SimpleAMQQueue.java:1619)
at
org.apache.qpid.server.handler.QueueDeleteHandler.methodReceived(QueueDeleteHandler.java:114)
at
org.apache.qpid.server.handler.ServerMethodDispatcherImpl.dispatchQueueDelete(ServerMethodDispatcherImpl.java:518)
at
org.apache.qpid.framing.amqp_0_9.QueueDeleteBodyImpl.execute(QueueDeleteBodyImpl.java:153)
at
org.apache.qpid.server.state.AMQStateManager.methodReceived(AMQStateManager.java:109)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.methodFrameReceived(AMQProtocolEngine.java:454)
at
org.apache.qpid.framing.AMQMethodBodyImpl.handle(AMQMethodBodyImpl.java:97)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.frameReceived(AMQProtocolEngine.java:343)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.dataBlockReceived(AMQProtocolEngine.java:292)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.received(AMQProtocolEngine.java:255)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.received(AMQProtocolEngine.java:86)
at
org.apache.qpid.server.protocol.MultiVersionProtocolEngine.received(MultiVersionProtocolEngine.java:118)
at
org.apache.qpid.server.protocol.MultiVersionProtocolEngine.received(MultiVersionProtocolEngine.java:37)
at
org.apache.qpid.transport.network.io.IoReceiver.run(IoReceiver.java:152)
at java.lang.Thread.run(Thread.java:662)
2012-03-07 19:22:37,135 ERROR [IoReceiver - /169.82.100.202:51439]
(AMQProtocolEngine.java:520) - Unexpected exception while processing frame.
Closing connection.
java.lang.RuntimeException: Failed to commit transaction
at
org.apache.qpid.server.txn.LocalTransaction.commit(LocalTransaction.java:271)
at
org.apache.qpid.server.txn.LocalTransaction.commit(LocalTransaction.java:241)
at
org.apache.qpid.server.queue.SimpleAMQQueue.delete(SimpleAMQQueue.java:1619)
at
org.apache.qpid.server.handler.QueueDeleteHandler.methodReceived(QueueDeleteHandler.java:114)
at
org.apache.qpid.server.handler.ServerMethodDispatcherImpl.dispatchQueueDelete(ServerMethodDispatcherImpl.java:518)
at
org.apache.qpid.framing.amqp_0_9.QueueDeleteBodyImpl.execute(QueueDeleteBodyImpl.java:153)
at
org.apache.qpid.server.state.AMQStateManager.methodReceived(AMQStateManager.java:109)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.methodFrameReceived(AMQProtocolEngine.java:454)
at
org.apache.qpid.framing.AMQMethodBodyImpl.handle(AMQMethodBodyImpl.java:97)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.frameReceived(AMQProtocolEngine.java:343)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.dataBlockReceived(AMQProtocolEngine.java:292)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.received(AMQProtocolEngine.java:255)
at
org.apache.qpid.server.protocol.AMQProtocolEngine.received(AMQProtocolEngine.java:86)
at
org.apache.qpid.server.protocol.MultiVersionProtocolEngine.received(MultiVersionProtocolEngine.java:118)
at
org.apache.qpid.server.protocol.MultiVersionProtocolEngine.received(MultiVersionProtocolEngine.java:37)
at
org.apache.qpid.transport.network.io.IoReceiver.run(IoReceiver.java:152)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.qpid.transport.SenderClosedException: sender is closed
{noformat}
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