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https://issues.apache.org/jira/browse/QPID-7001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alex Rudyy updated QPID-7001:
-----------------------------
Description:
I run into the following issue in my tests:
{noformat}
########################################################################
#
# Unhandled Exception java.lang.NullPointerException in Thread
IO-pool-Port-amqp-1
#
# Exiting
#
########################################################################
java.lang.NullPointerException
at
org.apache.qpid.server.transport.SelectorThread$SelectionTask$1.run(SelectorThread.java:190)
at org.apache.qpid.server.transport.SelectorThread.run(SelectorThread.java:457)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
{noformat}
I've seen this exception occurring from time to time in the BDB HA test
MultiNodeTest#testInFlightTransactionsWhilstMajorityIsLost
It seems that NPE occurs on heavy loads when multiple connections are trying to
restore connectivity because of failover. The issue might affect users severely
production deployments of the 6.x brokers, as NPE kills the broker and manual
intervention could be required to start-up the broker
was:
I run into the following issue in my tests:
{noformat}
########################################################################
#
# Unhandled Exception java.lang.NullPointerException in Thread
IO-pool-Port-amqp-1
#
# Exiting
#
########################################################################
java.lang.NullPointerException
at
org.apache.qpid.server.transport.SelectorThread$SelectionTask$1.run(SelectorThread.java:190)
at org.apache.qpid.server.transport.SelectorThread.run(SelectorThread.java:457)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
{noformat}
I've seen this exception occurring from time to time in the BDB HA test
.MultiNodeTest#testInFlightTransactionsWhilstMajorityIsLost
It seems that client application
> [Java Broker] NullPointerException can be thrown from Port IO Thread
> --------------------------------------------------------------------
>
> Key: QPID-7001
> URL: https://issues.apache.org/jira/browse/QPID-7001
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: qpid-java-6.0, qpid-java-6.1
> Reporter: Alex Rudyy
> Attachments: 0001-WIP-Add-system-test.patch, test.log.tar.gz
>
>
> I run into the following issue in my tests:
> {noformat}
> ########################################################################
> #
> # Unhandled Exception java.lang.NullPointerException in Thread
> IO-pool-Port-amqp-1
> #
> # Exiting
> #
> ########################################################################
> java.lang.NullPointerException
> at
> org.apache.qpid.server.transport.SelectorThread$SelectionTask$1.run(SelectorThread.java:190)
> at
> org.apache.qpid.server.transport.SelectorThread.run(SelectorThread.java:457)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> {noformat}
> I've seen this exception occurring from time to time in the BDB HA test
> MultiNodeTest#testInFlightTransactionsWhilstMajorityIsLost
> It seems that NPE occurs on heavy loads when multiple connections are trying
> to restore connectivity because of failover. The issue might affect users
> severely production deployments of the 6.x brokers, as NPE kills the broker
> and manual intervention could be required to start-up the broker
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