Keith Wall created QPID-5782:
--------------------------------
Summary: VirtualHostHouseKeeper tries to check queues that are not
yet open leading to NPE in logs
Key: QPID-5782
URL: https://issues.apache.org/jira/browse/QPID-5782
Project: Qpid
Issue Type: Bug
Components: Java Broker
Affects Versions: 0.29
Reporter: Keith Wall
Since QPID-5710, there has been a possibility that the housekeeper can attempt
to check that message status on queues that are not yet open, and this leads to
an NPE as such queues have a null entry list.
TransactionTimeoutTest occasionally shows this problem (see log excerpt below).
It does not cause a test failure as the housekeeper merely logs all exceptions
and continues.
It seems QPID-5710 introduced this possibility as it moved the creation of the
queue entry list from construction time to onOpen().
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IoReceiver - localhost/127.0.0.1:15672 2014-05-23 08:00:17,586 DEBUG
[qpid.client.protocol.AMQProtocolHandler] (1873784078)Method frame received:
[ExchangeDeclareOkBodyImpl: ]
main 2014-05-23 08:00:17,586 DEBUG [qpid.protocol] SEND:
[org.apache.qpid.client.protocol.AMQProtocolHandler@6fafad0e] Frame channelId:
3, bodyFrame: [QueueDeclareBodyImpl: ticket=0,
queue=TransactionTimeoutTest-testConsumerIdleCommit, passive=false,
durable=true, exclusive=false, autoDelete=false, nowait=false, arguments=null]
IoReceiver - /127.0.0.1:50620 2014-05-23 08:00:17,586 DEBUG
[server.protocol.v0_8.AMQProtocolEngine] Frame handled in 0 ms. Frame: Frame
channelId: 3, bodyFrame: [ExchangeDeclareBodyImpl: ticket=0,
exchange=amq.direct, type=direct, passive=true, durable=false,
autoDelete=false, internal=false, nowait=false, arguments=null]
IoReceiver - /127.0.0.1:50620 2014-05-23 08:00:17,586 DEBUG
[server.protocol.v0_8.AMQChannel] sync() called on channel 3(1965183178)
IoReceiver - /127.0.0.1:50620 2014-05-23 08:00:17,586 DEBUG
[server.protocol.v0_8.AMQProtocolEngine] RECV: Frame channelId: 3, bodyFrame:
[QueueDeclareBodyImpl: ticket=0,
queue=TransactionTimeoutTest-testConsumerIdleCommit, passive=false,
durable=true, exclusive=false, autoDelete=false, nowait=false, arguments=null]
IoReceiver - /127.0.0.1:50620 2014-05-23 08:00:17,587 DEBUG
[server.store.berkeleydb.BDBMessageStore] Create
[name=TransactionTimeoutTest-testConsumerIdleCommit, categoryClass=interface
org.apache.qpid.server.model.Queue, type=Queue,
id=848209cf-5c99-4b95-8488-c07973eb199f]
IoReceiver - /127.0.0.1:50620 2014-05-23 08:00:17,587 DEBUG
[server.store.berkeleydb.BDBMessageStore] Storing configured object record:
[name=TransactionTimeoutTest-testConsumerIdleCommit, categoryClass=interface
org.apache.qpid.server.model.Queue, type=Queue,
id=848209cf-5c99-4b95-8488-c07973eb199f]
test:VirtualHostHouseKeepingTask 2014-05-23 08:00:17,589 DEBUG
[qpid.server.virtualhost.AbstractVirtualHost] Checking message status for
queue: TransactionTimeoutTest-testConsumerIdleCommit
test:VirtualHostHouseKeepingTask 2014-05-23 08:00:17,589 ERROR
[qpid.server.virtualhost.AbstractVirtualHost] Exception in housekeeping for
queue: TransactionTimeoutTest-testConsumerIdleCommit
java.lang.NullPointerException
at
org.apache.qpid.server.queue.AbstractQueue.checkMessageStatus(AbstractQueue.java:1999)
at
org.apache.qpid.server.virtualhost.AbstractVirtualHost$VirtualHostHouseKeepingTask.execute(AbstractVirtualHost.java:935)
at
org.apache.qpid.server.virtualhost.HouseKeepingTask$1.run(HouseKeepingTask.java:61)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:356)
at
org.apache.qpid.server.virtualhost.HouseKeepingTask.run(HouseKeepingTask.java:54)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
IoReceiver - /127.0.0.1:50620 2014-05-23 08:00:17,598 INFO
[qpid.message.queue.created] [con:952(guest@/127.0.0.1:50620/test)/ch:3]
[vh(/test)/qu(TransactionTimeoutTest-testConsumerIdleCommit)] QUE-1001 : Create
: Durable
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