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From "Robbie Gemmell (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 15:25:00 GMT

    [ https://issues.apache.org/jira/browse/QPID-7981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16215297#comment-16215297
] 

Robbie Gemmell commented on QPID-7981:
--------------------------------------

Depending on the perspective of which end you are at, a single link is both incoming and outgoing.
So if "A link with no source will never produce outgoing messages" and " A link with no target
will never permit incoming messages. " then it would seem both are needed for transfer over
the link.

The source sets the details of what dispositions etc are allowed, so if you havent set one
it would seem odd that you could send messages to someone else, and similarly if there is
no target its unclear what the other party is sending to since the link apparently has no
terminus attached.

> [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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