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From Christian Posta <christian.po...@gmail.com>
Subject Re: Thread leak in Activemq 5.6
Date Mon, 17 Jun 2013 21:39:34 GMT
I've closed the Jira, this is not an issue. You can take a look at the test
cases to see why. They're adapted from your orignal tests.

Cheers


On Mon, Jun 17, 2013 at 3:35 PM, Christian Posta
<christian.posta@gmail.com>wrote:

> I've opened a JIRA here: https://issues.apache.org/jira/browse/AMQ-4586
>
> The workaround for your case is to use the failover transport and you
> won't see the executor threads leaked.
>
>
> On Mon, Jun 17, 2013 at 11:23 AM, Christian Posta <
> christian.posta@gmail.com> wrote:
>
>> Yah, I can verify this is the case. Threads leak because the
>> threadpoolexecutor doesn't evict the threads. Checking for the best
>> solution to this.
>>
>>
>> On Sun, Jun 16, 2013 at 4:07 AM, lzr <jswqne@163.com> wrote:
>>
>>> Dear all,
>>>
>>>
>>> I found a thread leak issue during try activemq 5.6:
>>> I create connection when sending message and close it once the sending
>>> finished.
>>> Occassionally I restart activemq broker and found one thread generated
>>> with name "ActiveMQ Connection Executor...".
>>> For deep research, I restarted the broker several times and same number
>>> thread generated; I attached the picture of my debug.
>>> Could anybody give me some clues? I just want to know if this is a bug
>>> for ActiveMQ. The attachments includes my applications and the debugging
>>> pictures.
>>>
>>>
>>> It would be much appreciated if you make any suggestion!!!
>>>
>>>
>>> Thanks in advance,
>>> Zhuran Li
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> At 2013-06-14 23:03:55,"Christian Posta" <christian.posta@gmail.com>
>>> wrote:
>>> >Would need to be able to re-create this... Please put together a unit
>>> test
>>> >that reproduces this.
>>> >
>>> >
>>> >On Fri, Jun 14, 2013 at 1:00 AM, lzr <jswqne@163.com> wrote:
>>> >
>>> >> Dear all,
>>> >>
>>> >>
>>> >> I'm using Acitvemq 5.6 with my app and struggling to handle the
>>> following
>>> >> Exception:
>>> >> 2013-06-13 09:53:46,018 | WARN  | Send failed for:
>>> ActiveMQObjectMessage
>>> >> {commandId = 6, responseRequired = false, messageId =
>>> >> ID:nfsnnc02-46547-1370842535042-0:547519:1:1:1, originalDestination
=
>>> null,
>>> >> originalTransactionId = null, producerId =
>>> >> ID:nfsnnc02-46547-1370842535042-0:547519:1:1, destination =
>>> >> queue://10408_base, transactionId =
>>> >> TX:ID:nfsnnc02-46547-1370842535042-0:547519:1, expiration = 0,
>>> timestamp =
>>> >> 1371088670829, arrival = 0, brokerInTime = 1371088426003,
>>> brokerOutTime =
>>> >> 0, correlationId = null, replyTo = null, persistent = true, type =
>>> null,
>>> >> priority = 4, groupID = null, groupSequence = 0, targetConsumerId =
>>> null,
>>> >> compressed = false, userID = null, content =
>>> >> org.apache.activemq.util.ByteSequence@c4b67b, marshalledProperties =
>>> >> org.apache.activemq.util.ByteSequence@a84ac2, dataStructure = null,
>>> >> redeliveryCounter = 0, size = 0, properties = {createtime=2013-06-13
>>> >> 09:57:50, datasize=1, syncflag=bd_defdoc}, readOnlyProperties = false,
>>> >> readOnlyBody = false, droppable = fals
>>> >>  e},  missing producer state for:
>>> >> org.apache.activemq.broker.ProducerBrokerExchange@c44470 |
>>> >> org.apache.activemq.broker.region.Queue | ActiveMQ Transport: tcp:///
>>> >> 10.1.100.66:64118
>>> >> 2013-06-13 09:53:46,018 | WARN  | Async error occurred:
>>> >> javax.jms.JMSException: Cannot send message to queue://10408_base with
>>> >> invalid (null) producer state |
>>> >> org.apache.activemq.broker.TransportConnection.Service | ActiveMQ
>>> >> Transport: tcp:///10.1.100.66:64118
>>> >> javax.jms.JMSException: Cannot send message to queue://10408_base with
>>> >> invalid (null) producer state
>>> >> at org.apache.activemq.broker.region.Queue.send(Queue.java:589)
>>> >> at
>>> >>
>>> org.apache.activemq.broker.region.AbstractRegion.send(AbstractRegion.java:407)
>>> >> at
>>> >>
>>> org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:503)
>>> >> at
>>> >>
>>> org.apache.activemq.broker.jmx.ManagedRegionBroker.send(ManagedRegionBroker.java:305)
>>> >> at org.apache.activemq.broker.BrokerFilter.send(BrokerFilter.java:129)
>>> >> at
>>> >>
>>> org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:96)
>>> >> at
>>> >>
>>> org.apache.activemq.broker.TransactionBroker.send(TransactionBroker.java:306)
>>> >> at
>>> >>
>>> org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:135)
>>> >> at
>>> >>
>>> org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:453)
>>> >> at
>>> >>
>>> org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:681)
>>> >> at
>>> >>
>>> org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:292)
>>> >> at
>>> >>
>>> org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:150)
>>> >> at
>>> >>
>>> org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
>>> >> at
>>> >>
>>> org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
>>> >> at
>>> >>
>>> org.apache.activemq.transport.AbstractInactivityMonitor.onCommand(AbstractInactivityMonitor.java:229)
>>> >> at
>>> >>
>>> org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
>>> >> at
>>> >>
>>> org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:222)
>>> >> at
>>> >>
>>> org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:204)
>>> >> at java.lang.Thread.run(Thread.java:619)
>>> >>
>>> >>
>>> >> Could anybody give me some clue? It would be much appreciated if any
>>> >> questions.
>>> >>
>>> >>
>>> >> Thanks a lot,
>>> >> Zhuran Li
>>> >
>>> >
>>> >
>>> >
>>> >--
>>> >*Christian Posta*
>>> >http://www.christianposta.com/blog
>>> >twitter: @christianposta
>>>
>>
>>
>>
>> --
>> *Christian Posta*
>> http://www.christianposta.com/blog
>> twitter: @christianposta
>>
>
>
>
> --
> *Christian Posta*
> http://www.christianposta.com/blog
> twitter: @christianposta
>



-- 
*Christian Posta*
http://www.christianposta.com/blog
twitter: @christianposta

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