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From "Rob Godfrey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-7981) [Java Broker] [AMQP1.0] Protocol layer assumes source and target are not null.
Date Mon, 23 Oct 2017 16:31:00 GMT

    [ https://issues.apache.org/jira/browse/QPID-7981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16215404#comment-16215404
] 

Rob Godfrey commented on QPID-7981:
-----------------------------------

There is obviously still a bug in the Broker here too... What it *should* be doing is noting
the null source (if it is an incoming link from the broker's perspective) or target (for an
outgoing link from the broker's perspective) and cleanly detaching/closing the link at the
earliest opportunity.  It should not issue credit to the incoming link; and should close the
connection if any messages are received.  For the outgoing link case one could also argue
that it would be a protocol error justifying connection closure if credit were issued by the
remote peer, though I'm not sure if that case is specifically brought up anywhere.  In any
case the broker should respond to such an attach with an attach with null source and target
and then detach the link.

> [Java Broker] [AMQP1.0] Protocol layer assumes source and target are not null.
> ------------------------------------------------------------------------------
>
>                 Key: QPID-7981
>                 URL: https://issues.apache.org/jira/browse/QPID-7981
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>            Reporter: Keith Wall
>             Fix For: qpid-java-broker-7.0.0
>
>
> Testing the Broker against Rhea's {{example/helloworld.js}} shows that the AMQP 1.0 protocol
layer fails in at least two places.
> The first is if the {{Target}} (not mandatory) is omitted from the incoming attach.
> {noformat}
> 2017-10-21 18:13:20,609 DEBUG [IO-/10.211.55.13:52033] (o.a.q.s.p.frame) - RECV[/10.211.55.13:52033|0]
: Attach{name=7e65e0a0-961f-e941-b42b-262380143f76,handle=0,role=receiver,source=Source{address=examples}}
> 2017-10-21 18:13:20,622 DEBUG [IO-/10.211.55.13:52033] (o.a.q.s.p.v.LinkImpl) - Error
attaching link
> java.lang.NullPointerException: null
> 	at org.apache.qpid.server.protocol.v1_0.SendingLinkEndpoint.createConsumerTarget(SendingLinkEndpoint.java:209)
> 	at org.apache.qpid.server.protocol.v1_0.SendingLinkEndpoint.attachReceived(SendingLinkEndpoint.java:636)
> 	at org.apache.qpid.server.protocol.v1_0.SendingLinkEndpoint.establishLink(SendingLinkEndpoint.java:352)
> 	at org.apache.qpid.server.protocol.v1_0.AbstractLinkEndpoint.receiveAttach(AbstractLinkEndpoint.java:131)
> 	at org.apache.qpid.server.protocol.v1_0.LinkImpl.attach(LinkImpl.java:106)
> 	at org.apache.qpid.server.protocol.v1_0.Session_1_0.receiveAttach(Session_1_0.java:210)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.receiveAttach(AMQPConnection_1_0Impl.java:435)
> 	at org.apache.qpid.server.protocol.v1_0.type.transport.Attach.invoke(Attach.java:366)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.received(AMQPConnection_1_0Impl.java:517)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.lambda$receive$0(AMQPConnection_1_0Impl.java:469)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.receive(AMQPConnection_1_0Impl.java:463)
> 	at org.apache.qpid.server.protocol.v1_0.framing.FrameHandler.parse(FrameHandler.java:211)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.lambda$received$11(AMQPConnection_1_0Impl.java:1316)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.received(AMQPConnection_1_0Impl.java:1291)
> 	at org.apache.qpid.server.transport.MultiVersionProtocolEngine.received(MultiVersionProtocolEngine.java:134)
> 	at org.apache.qpid.server.transport.NonBlockingConnection.processAmqpData(NonBlockingConnection.java:606)
> 	at org.apache.qpid.server.transport.NonBlockingConnectionTLSDelegate.processData(NonBlockingConnectionTLSDelegate.java:136)
> 	at org.apache.qpid.server.transport.NonBlockingConnection.doRead(NonBlockingConnection.java:496)
> 	at org.apache.qpid.server.transport.NonBlockingConnection.doWork(NonBlockingConnection.java:270)
> 	at org.apache.qpid.server.transport.NetworkConnectionScheduler.processConnection(NetworkConnectionScheduler.java:134)
> 	at org.apache.qpid.server.transport.SelectorThread$ConnectionProcessor.processConnection(SelectorThread.java:563)
> 	at org.apache.qpid.server.transport.SelectorThread$SelectionTask.performSelect(SelectorThread.java:354)
> 	at org.apache.qpid.server.transport.SelectorThread$SelectionTask.run(SelectorThread.java:97)
> 	at org.apache.qpid.server.transport.SelectorThread.run(SelectorThread.java:521)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at org.apache.qpid.server.bytebuffer.QpidByteBuffer.lambda$null$0(QpidByteBuffer.java:1396)
> 	at java.lang.Thread.run(Thread.java:748)
> {noformat}
> The second is if the {{Source}}  (again not mandatory) is omitted:
> {noformat}
> 2017-10-21 18:19:52,556 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.p.v.f.FrameHandler) -
RECV 89 bytes
> 2017-10-21 18:19:52,557 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.p.frame) - RECV[/10.211.55.13:52035|0]
: Attach{name=c2c65769-7d3b-5440-b8fb-f00badbddd0d,handle=1,role=sender,target=Target{address=examples},initialDeliveryCount=0}
> 2017-10-21 18:19:52,562 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.p.frame) - SEND[/10.211.55.13:52035|0]
: Attach{name=c2c65769-7d3b-5440-b8fb-f00badbddd0d,handle=1,role=receiver,target=Target{address=examples,durable=none,capabilities=[REJECT_UNROUTABLE,
DELAYED_DELIVERY]},unsettled={},maxMessageSize=1000000000,offeredCapabilities=[REJECT_UNROUTABLE,
DELAYED_DELIVERY],properties={}}
> 2017-10-21 18:19:52,565 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.p.frame) - SEND[/10.211.55.13:52035|0]
: Flow{nextIncomingId=0,incomingWindow=8192,nextOutgoingId=0,outgoingWindow=2048,handle=1,deliveryCount=0,linkCredit=20000,echo=false}
> 2017-10-21 18:19:52,566 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.p.v.f.FrameHandler) -
RECV 0 bytes
> 2017-10-21 18:19:52,566 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.t.NonBlockingConnection)
- Written 430 bytes
> 2017-10-21 18:19:52,568 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.t.NonBlockingConnection)
- Read 0 byte(s)
> 2017-10-21 18:19:52,570 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.t.NonBlockingConnection)
- Read 82 byte(s)
> 2017-10-21 18:19:52,571 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.p.v.f.FrameHandler) -
RECV 53 bytes
> 2017-10-21 18:19:52,571 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.p.frame) - RECV[/10.211.55.13:52035|0]
: Transfer{handle=1,deliveryId=0,deliveryTag=\x00,messageFormat=0,settled=false}
> 2017-10-21 18:19:52,580 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.p.QpidServiceLoader)
- Found 3 implementations of interface org.apache.qpid.server.plugin.MessageFormat
> 2017-10-21 18:19:52,604 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.m.AbstractConfiguredObject)
- authorise returned DEFER
> 2017-10-21 18:19:52,604 DEBUG [IO-/10.211.55.13:52035] (o.a.q.s.m.AbstractConfiguredObject)
- authorise returned DEFER, returing default: ALLOWED
> 2017-10-21 18:19:52,608 WARN  [IO-/10.211.55.13:52035] (o.a.q.s.p.v.f.FrameHandler) -
Unexpected exception handling frame
> java.lang.NullPointerException: null
> 	at org.apache.qpid.server.protocol.v1_0.StandardReceivingLinkEndpoint.receiveDelivery(StandardReceivingLinkEndpoint.java:262)
> 	at org.apache.qpid.server.protocol.v1_0.AbstractReceivingLinkEndpoint.receiveTransfer(AbstractReceivingLinkEndpoint.java:163)
> 	at org.apache.qpid.server.protocol.v1_0.Session_1_0.receiveTransfer(Session_1_0.java:572)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.receiveTransfer(AMQPConnection_1_0Impl.java:794)
> 	at org.apache.qpid.server.protocol.v1_0.type.transport.Transfer.invoke(Transfer.java:295)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.received(AMQPConnection_1_0Impl.java:517)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.lambda$receive$0(AMQPConnection_1_0Impl.java:469)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.receive(AMQPConnection_1_0Impl.java:463)
> 	at org.apache.qpid.server.protocol.v1_0.framing.FrameHandler.parse(FrameHandler.java:211)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.lambda$received$11(AMQPConnection_1_0Impl.java:1316)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at org.apache.qpid.server.protocol.v1_0.AMQPConnection_1_0Impl.received(AMQPConnection_1_0Impl.java:1291)
> 	at org.apache.qpid.server.transport.MultiVersionProtocolEngine.received(MultiVersionProtocolEngine.java:134)
> 	at org.apache.qpid.server.transport.NonBlockingConnection.processAmqpData(NonBlockingConnection.java:606)
> 	at org.apache.qpid.server.transport.NonBlockingConnectionTLSDelegate.processData(NonBlockingConnectionTLSDelegate.java:136)
> 	at org.apache.qpid.server.transport.NonBlockingConnection.doRead(NonBlockingConnection.java:496)
> 	at org.apache.qpid.server.transport.NonBlockingConnection.doWork(NonBlockingConnection.java:270)
> 	at org.apache.qpid.server.transport.NetworkConnectionScheduler.processConnection(NetworkConnectionScheduler.java:134)
> 	at org.apache.qpid.server.transport.SelectorThread$ConnectionProcessor.processConnection(SelectorThread.java:563)
> 	at org.apache.qpid.server.transport.SelectorThread$SelectionTask.performSelect(SelectorThread.java:354)
> 	at org.apache.qpid.server.transport.SelectorThread$SelectionTask.run(SelectorThread.java:97)
> 	at org.apache.qpid.server.transport.SelectorThread.run(SelectorThread.java:521)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 	at org.apache.qpid.server.bytebuffer.QpidByteBuffer.lambda$null$0(QpidByteBuffer.java:1396)
> 	at java.lang.Thread.run(Thread.java:748)
> {noformat}
> Default source and target to empty objects appears to resolve the problem.
> The protocol tests should be strengthen to cover these cases/



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