JAkub Scholz created QPID-5033:
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Summary: [Windows C++ client] An operation on a socket could not
be performed because the system lacked sufficient buffer space or because a
queue was full
Key: QPID-5033
URL: https://issues.apache.org/jira/browse/QPID-5033
Project: Qpid
Issue Type: Bug
Components: C++ Client
Environment: Windows, different versions
Reporter: JAkub Scholz
Attachments: client.cpp, client-trace.log
As discussed on the user mailing list
(http://qpid.2158936.n2.nabble.com/Qpid-throwed-WSAENOBUFS-while-receiving-data-from-a-broker-td7592938.html),
when receiving a large amounts of messages over SSL using a receiver prefetch,
the clients fails with an exception "An operation on a socket could not be
performed because the system lacked sufficient buffer space or because a queue
was full". This exception seems to originate from the SslAsynchIO class, method
sslDataIn.
Decreasing the capacity seems to improve the frequency with which the problem
appears. However with 1MB messages, even capacity 1 doesn't seem to work. The
problem seems to be quite easy to reproduce using following scenario:
1) Create a large queue on a broker (C++ / Linux)
2) Start feeding messages into the queue using C++/Linux program (in my case I
used approximately 1kB messages)
3) Connect with a receiver (C++/Windows) using SSL and prefetch 1000 (no client
authentication, I used username & password)
4) Wait few seconds to see the error in the receiver
The source code of the receiver as well as the full trace+ log are attached.
Please let me know should you need some additional information.
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