Sreeram Garlapati created PROTON-1939:
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Summary: NullPointerException while handing remote session.begin
in TransportImpl
Key: PROTON-1939
URL: https://issues.apache.org/jira/browse/PROTON-1939
Project: Qpid Proton
Issue Type: Bug
Components: proton-j
Affects Versions: proton-j-0.29.0
Environment: Any environment
Reporter: Sreeram Garlapati
Fix For: proton-j-0.30.0
Our library (Microsoft Azure EventHubs java sdk) take a dependency on proton-j
library for AMQP implementation.
Many of Our customers are reporting this issue and would highly appreciate your
response.
We are basically hitting this TODO in the TransportImpl.java - which results in
reactor teardown:
[https://github.com/apache/qpid-proton-j/blob/master/proton-j/src/main/java/org/apache/qpid/proton/engine/impl/TransportImpl.java#L1160]
Here's the Exception stack trace:
{color:#24292e}com.microsoft.azure.eventhubs.impl.MessagingFactory$RunReactor.run:487
messagingFactory[MessagingFactoryab1d8d],
hostName[NNNNNNNNNNN.servicebus.windows.net], error[UnHandled exception while
processing events in reactor:{color}
{color:#24292e} java.lang.NullPointerException: uncorrelated channel: 3{color}
{color:#24292e}
org.apache.qpid.proton.engine.impl.EventImpl.dispatch(EventImpl.java:112){color}
{color:#24292e}
org.apache.qpid.proton.reactor.impl.ReactorImpl.dispatch(ReactorImpl.java:324){color}
{color:#24292e}
org.apache.qpid.proton.reactor.impl.ReactorImpl.process(ReactorImpl.java:292){color}
{color:#24292e}
com.microsoft.azure.eventhubs.impl.MessagingFactory$RunReactor.run(MessagingFactory.java:462){color}
here's how to reproduce this error:
* configure the listener - to delay respond to session.begins for ex: by 5 secs
* then client (or another peer) sends session.begin
* client doesn't receive any response even after 1 sec
* then the client decides to close the session
* then, after few sec's service(listener) responds back with session.begin
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