hanfeng created QPID-7835:
-----------------------------
Summary: dead lock error
Key: QPID-7835
URL: https://issues.apache.org/jira/browse/QPID-7835
Project: Qpid
Issue Type: Bug
Components: Java Client
Affects Versions: qpid-java-6.1.3
Reporter: hanfeng
When the message server links over time, a message is sent, the caller to
perceive the message send timeout, take the initiative to close the session, at
the same time links are perceived to request timeout to shut down connection,
re link the message server.
When the link function of doClose to get off the lock _failoverMutex, but did
not get a specific lock _messageDeliveryLock to close the session, close the
session function close to get to the _messageDeliveryLock _failoverMutex lock,
lock wait for link
Deadlock.
Modification method.
In session's close function, add a judgment that you are closing session.
public void close(long timeout) throws JMSException
{
{color:red} if （super.isClosing()） return ;{color}
setClosing(true);
lockMessageDelivery();
try
{
// We must close down all producers and consumers in an orderly
fashion. This is the only method
// that can be called from a different thread of control from the
one controlling the session.
synchronized (getFailoverMutex())
{
close(timeout, true);
}
}
finally
{
unlockMessageDelivery();
}
}
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