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https://issues.apache.org/jira/browse/DISPATCH-825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chuck Rolke resolved DISPATCH-825.
----------------------------------
Resolution: Fixed
Fixed at Commit fa2a463
> Corrupted data on larger (>100Kb) messages
> ------------------------------------------
>
> Key: DISPATCH-825
> URL: https://issues.apache.org/jira/browse/DISPATCH-825
> Project: Qpid Dispatch
> Issue Type: Bug
> Environment: Fedora 25. Master branch qpid-dispatch and qpid-cpp
> tools: qpid-send, qpid-receive
> Reporter: Chuck Rolke
> Assignee: Chuck Rolke
>
> h1. Setup
> h3. Start a dispatch router with this conf file:
> {noformat}
> # Router to run qpid-interop-test
> router {
> mode: interior
> id: Router.A
> workerThreads: 4
> allowUnsettledMulticast: yes
> }
> listener {
> host: 0.0.0.0
> port: 5672
> authenticatePeer: no
> saslMechanisms: ANONYMOUS
> }
> listener {
> host: localhost
> port: 5672
> authenticatePeer: no
> saslMechanisms: ANONYMOUS
> }
> address {
> prefix: jms.queue.qpid-interop.#
> distribution: balanced
> }
> log {
> module: DEFAULT
> enable: debug+
> }
> ({noformat}
> h3. Start a receiver to receive 1000 messages:
> {noformat}
> qpid-receive -a jms.queue.qpid-interop.test --connection-options
> "{protocol:amqp1.0}" -m 1000 -f --print-content no --print-headers yes
> --ack-frequency 1
> {noformat}
> h3. Start 1000 senders each with a different length message
> {noformat}
> #!/bin/bash
> for i in `seq 100512 101511`;
> do
> qpid-send -a jms.queue.qpid-interop.test --connection-options
> "{protocol:amqp1.0}" -m 1 --content-size $i
> done
> {noformat}
> h1. Result
> Eventually the receive program will exit with an error:
> {noformat}
> qpid-receive: Out of Bounds:
> requested advance of 100552 at 42 but only 100444 available
> (/home/chug/git/qpid-cpp/src/qpid/amqp/Decoder.cpp:307)
> {noformat}
> h2. Observations
> * Putting qd_log statements in the qd_message_send path, one at each
> pn_link_send() invocation, allows the setup to run the 1000 messages
> repeatedly. Probably it would fail eventually but in this condition it is
> harder to debug.
> * I suspect a interlock issue between sending and receiving a single message
> but adding a dozen or so assert has not revealed anything yet.
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