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Posted to dev@qpid.apache.org by "Rob Godfrey (JIRA)" <ji...@apache.org> on 2015/04/08 16:23:13 UTC
[jira] [Commented] (QPID-6482) NPE in
SessionEndpoint.receiveTransfer when receiving large message
[ https://issues.apache.org/jira/browse/QPID-6482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14485292#comment-14485292 ]
Rob Godfrey commented on QPID-6482:
-----------------------------------
OK - the "interesting" thing here is the "Unknown endpoint Transfer". Basically this is saying that the message has been received on a link, but the client doesn't know what that link is... The NullPointerException happens because of a bug in the client where you have a large message which has encountered the above problem.
Is it possible to turn the protocol logging on and get a bit more context for the flow of frames/messages from the broker to the client. We need to understand how the client (or broker) has got into a state where it is receiving messages.
Do the broker logs show any exceptions?
> NPE in SessionEndpoint.receiveTransfer when receiving large message
> -------------------------------------------------------------------
>
> Key: QPID-6482
> URL: https://issues.apache.org/jira/browse/QPID-6482
> Project: Qpid
> Issue Type: Bug
> Components: Java Client
> Affects Versions: 0.32
> Reporter: Mark Soderquist
>
> We are occasionally seeing the following exception when receiving a message of 500000 bytes. Sometimes it helps to increase the receive timeout but not always:
> java.lang.NullPointerException
> at org.apache.qpid.amqp_1_0.transport.SessionEndpoint.receiveTransfer(SessionEndpoint.java:435)
> at org.apache.qpid.amqp_1_0.transport.ConnectionEndpoint.receiveTransfer(ConnectionEndpoint.java:655)
> at org.apache.qpid.amqp_1_0.type.transport.Transfer.invoke(Transfer.java:285)
> at org.apache.qpid.amqp_1_0.transport.ConnectionEndpoint.receive(ConnectionEndpoint.java:808)
> at org.apache.qpid.amqp_1_0.framing.FrameHandler.parse(FrameHandler.java:241)
> at org.apache.qpid.amqp_1_0.framing.ConnectionHandler.parse(ConnectionHandler.java:75)
> at org.apache.qpid.amqp_1_0.client.TCPTransportProvider.doRead(TCPTransportProvider.java:244)
> at org.apache.qpid.amqp_1_0.client.TCPTransportProvider.access$000(TCPTransportProvider.java:47)
> at org.apache.qpid.amqp_1_0.client.TCPTransportProvider$1.run(TCPTransportProvider.java:185)
> at java.lang.Thread.run(Thread.java:745)
> Unknown endpoint Transfer{handle=0,deliveryId=0,deliveryTag=\x00\x00\x00\x00\x00\x00\x00\x00,messageFormat=0}
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