Alex Rudyy created QPID-7909:
--------------------------------
Summary: [Java Broker] CancelledKeyException can be thrown from a
selector thread when accepting new connection on Broker shutdown
Key: QPID-7909
URL: https://issues.apache.org/jira/browse/QPID-7909
Project: Qpid
Issue Type: Bug
Components: Java Broker
Affects Versions: qpid-java-broker-7.0.0
Reporter: Alex Rudyy
Priority: Critical
{{CancelledKeyException}} can be reported on broker shutdown when a new
incoming connection is about to be accepted. The exception crashes the broker
as it is not handled anywhere.
The following thread stack trace is reported into broker logs
{noformat}
2017-09-10 15:54:48,118 ERROR [Selector-Port-amqp]
o.a.q.t.u.InternalBrokerHolder Uncaught exception from thread Selector-Port-amqp
java.nio.channels.CancelledKeyException: null
at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
at sun.nio.ch.SelectionKeyImpl.readyOps(SelectionKeyImpl.java:87)
at java.nio.channels.SelectionKey.isAcceptable(SelectionKey.java:360)
at
org.apache.qpid.server.transport.SelectorThread$SelectionTask.processSelectionKeys(SelectorThread.java:180)
at
org.apache.qpid.server.transport.SelectorThread$SelectionTask.performSelect(SelectorThread.java:319)
at
org.apache.qpid.server.transport.SelectorThread$SelectionTask.run(SelectorThread.java:97)
at
org.apache.qpid.server.transport.SelectorThread.run(SelectorThread.java:521)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
{noformat}
The broker log does not contain the logs for selector cancellation in
{{SelectorThread#cancelAcceptingSocketAsync}} for amqp port. It does not look
like selector was cancelled from Qpid code
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
