Robbie Gemmell created PROTON-2142:
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Summary: transports closed due to decode error may emit a close
frame without error condition
Key: PROTON-2142
URL: https://issues.apache.org/jira/browse/PROTON-2142
Project: Qpid Proton
Issue Type: Bug
Components: proton-j
Affects Versions: proton-j-0.33.2
Reporter: Robbie Gemmell
Assignee: Robbie Gemmell
Fix For: proton-j-0.33.3
When a decode error occurs while processing new input, the related transport is
closed with the exception, which sets an error condition on the transport. Upon
further processing of output, the transport emits a close frame.
If the connection endpoint is bound to the transport at this point, the error
condition object from the connection endpoint is used when generating the close
frame, even if it contains no error detail (which it doesn't, unless explicitly
set by the using code). The close frame emitted which is then emitted has no
error condition, giving no indication to the peer (or those debugging the
protocol interactions) of there being a problem or what cause it. In this case,
sending detail from the transport error condition would be far more useful.
Since the transport and connection form an overall unit in use, the handling
should be updated to use the connection error condition only if its still bound
*and populated*, but to otherwise use the transport error condition if set.
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