[QPID-8047] [Broker-J][AMQP 0-10] NPE on receiving session.detach for unknown session

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: qpid-java-broker-7.0.0
• Fix Version/s: qpid-java-broker-7.0.1
• Component/s: Broker-J
• Assignee: Keith Wall
• Reporter: Alex Rudyy
• Created: 21/Nov/17 15:44
• Updated: 08/Feb/18 21:26
• Resolved: 22/Dec/17 16:28

Description

The following NPE is reported on receiving of detach for unknown session

java.lang.NullPointerException
	at org.apache.qpid.server.protocol.v0_10.ServerConnectionDelegate.stopAllSubscriptions(ServerConnectionDelegate.java:377)
	at org.apache.qpid.server.protocol.v0_10.ServerConnectionDelegate.sessionDetach(ServerConnectionDelegate.java:366)
	at org.apache.qpid.server.protocol.v0_10.ServerConnectionDelegate.sessionDetach(ServerConnectionDelegate.java:52)
	at org.apache.qpid.server.protocol.v0_10.transport.SessionDetach.dispatch(SessionDetach.java:90)
	at org.apache.qpid.server.protocol.v0_10.ServerConnectionDelegate.control(ServerConnectionDelegate.java:97)
	at org.apache.qpid.server.protocol.v0_10.ServerConnectionDelegate.control(ServerConnectionDelegate.java:52)
	at org.apache.qpid.server.protocol.v0_10.transport.Method.delegate(Method.java:157)
	at org.apache.qpid.server.protocol.v0_10.ServerConnection.received(ServerConnection.java:279)
	at org.apache.qpid.server.protocol.v0_10.ServerAssembler.emit(ServerAssembler.java:178)
	at org.apache.qpid.server.protocol.v0_10.ServerAssembler.assemble(ServerAssembler.java:256)
	at org.apache.qpid.server.protocol.v0_10.ServerAssembler.frame(ServerAssembler.java:205)
	at org.apache.qpid.server.protocol.v0_10.ServerAssembler.received(ServerAssembler.java:135)
	at org.apache.qpid.server.protocol.v0_10.ServerAssembler.received(ServerAssembler.java:109)
	at org.apache.qpid.server.protocol.v0_10.ServerInputHandler.received(ServerInputHandler.java:184)
	at org.apache.qpid.server.protocol.v0_10.AMQPConnection_0_10Impl.lambda$received$1(AMQPConnection_0_10Impl.java:146)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.qpid.server.protocol.v0_10.AMQPConnection_0_10Impl.received(AMQPConnection_0_10Impl.java:141)
	at org.apache.qpid.server.transport.MultiVersionProtocolEngine.received(MultiVersionProtocolEngine.java:134)
	at org.apache.qpid.server.transport.NonBlockingConnection.processAmqpData(NonBlockingConnection.java:610)
	at org.apache.qpid.server.transport.NonBlockingConnectionPlainDelegate.processData(NonBlockingConnectionPlainDelegate.java:58)
	at org.apache.qpid.server.transport.NonBlockingConnection.doRead(NonBlockingConnection.java:496)
	at org.apache.qpid.server.transport.NonBlockingConnection.doWork(NonBlockingConnection.java:270)
	at org.apache.qpid.server.transport.NetworkConnectionScheduler.processConnection(NetworkConnectionScheduler.java:134)
	at org.apache.qpid.server.transport.SelectorThread$ConnectionProcessor.processConnection(SelectorThread.java:570)
	at org.apache.qpid.server.transport.SelectorThread$SelectionTask.performSelect(SelectorThread.java:361)
	at org.apache.qpid.server.transport.SelectorThread$SelectionTask.run(SelectorThread.java:97)
	at org.apache.qpid.server.transport.SelectorThread.run(SelectorThread.java:528)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.qpid.server.bytebuffer.QpidByteBufferFactory.lambda$null$0(QpidByteBufferFactory.java:464)
	at java.lang.Thread.run(Thread.java:745)