Morten created QPIDJMS-514:
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Summary: thread for reconnecting a session is blocked forever
Key: QPIDJMS-514
URL: https://issues.apache.org/jira/browse/QPIDJMS-514
Project: Qpid JMS
Issue Type: Bug
Components: qpid-jms-client
Affects Versions: 0.52.0
Environment: Cloud Foundry
Reporter: Morten
We're using the Qpid JMS library to connect via amqpws to a amqp gateway which
then opens a connection to a message broker in a cloud foundry environment.
When the message broker is reporting an error e.g. exceeding connection limits,
the gateway is reporting an error to Qpid JMS. Qpid JMS recognizes the error
but waits on several request.sync() calls forever when trying to reconnect via
the failover mechanism. We tried debugging the issue but having trouble with
understanding the code. We are assuming there is a Bug within the QPID library
but we are currently missing the knowledge of the Qpid code. Do you have any
hints at where we can look at. Is there some kind of documentation in order to
understand the flows within Qpid JMS? For instance we don't know how Qpid JMS
recognizes if an issue happens while creating the connection. It seems like
there are several threads which should manipulate the ProviderFuture objects.
For testing purposes we refactored all of the request.sync() calls to use the
request.sync(timeout, unit) method. Of course, this is only a workaround for
testing purposes but we can see that the connection is re-established after the
timeout.
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