Robbie Gemmell created PROTON-1070:
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Summary: other frames can be sent/received without the Open frame
having been
Key: PROTON-1070
URL: https://issues.apache.org/jira/browse/PROTON-1070
Project: Qpid Proton
Issue Type: Bug
Components: proton-c, proton-j
Affects Versions: 0.11
Reporter: Robbie Gemmell
I recently saw an odd test failure while making changes to some other code
(itself using proton-j) that the test was using, even though it seemed like the
change should have had no effect on that test. I eventually identified this was
due to some unexpected behaviour in other areas that was ultimately occuring
because no Open frame had been sent/received, as the original author of the
test had not opened the 'client' Connection object. The test should thus never
have worked as a result, but it did.
After some further inspection, it seems that:
- proton-j can emit other frames without first sending the Open frame [because
the Connection object wasnt actually opened].
- proton-c does not appear to, since it guards in various using a check if the
open has been sent yet.
- proton-j can receive and process other frames without the Open arriving,
resulting in different 'default' behaviour than if it were.
- It isnt immediately obvious (to me) whether proton-c guards against the
receiving case or not.
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