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From Mark Webb <elihusma...@gmail.com>
Subject Re: 5.2.0 dequeue counter=0 pending queue stalls
Date Wed, 25 Feb 2009 16:33:15 GMT
I ran into the same problem.  Could you describe your configuration.



On Wed, Feb 11, 2009 at 5:51 PM, gtamir <giora.tamir@active.com> wrote:
>
> Encountering similar situation. Found it was sufficient to just delete the
> kaha store to cause listeners to start picking up messages (stop ActiveMQ
> 5.2 final, delete data/kr-store and restart ActiveMQ).
>
> Switched to using Derby as a JDBC data store instead of the kaha store - no
> improvement.
>
>
> thomaskwan wrote:
>>
>> We are using ActiveMQ 5.2.0 the latest stable release. This is what i have
>> seen:
>>
>> Client ID: ...
>> Subscription Name: ...
>> Connection ID: ...
>> Pending Queue Size: 9894
>> Dispatched Queue Size 0
>> Dispatched Counter: 0
>> Enqueue Counter: 9894
>> Dequeue Counter: 0
>>
>> Within the same MQ server, some consumers work, some just got stuck into
>> the state that I have
>> mentioned above. The active MQ log shows:
>>
>>
>> 2009-01-25 14:33:14,489 [168.20.36:53300] ERROR RecoveryListenerAdapter
>> - Message id ID:hefeed1-48611-1232757655348-4:140816:-1:1:1 could not be
>> recovered from the data store - already dispatched
>> 2009-01-25 14:33:14,490 [168.20.36:53300] ERROR RecoveryListenerAdapter
>> - Message id ID:hefeed1-48611-1232757655348-4:140816:-1:1:1 could not be
>> recovered from the data store - already dispatched
>> ...
>> 2009-01-25 14:33:15,428 [168.20.36:53310] ERROR DataManagerImpl
>> - Looking for key 4 but not found in fileMap: {5=data-topic-data-5 number
>> = 5 , length = 2097120 refCount = 2460, 6=data-topic-data-6 number = 6 ,
>> length = 2097135 refCount = 2942, 7=data-topic-data-7 number = 7 , length
>> = 2097127 refCount = 2844, 8=data-topic-data-8 number = 8 , length =
>> 2097111 refCount = 3308, 9=data-topic-data-9 number = 9 , length = 2097127
>> refCount = 3196, 10=data-topic-data-10 number = 10 , length = 2097111
>> refCount = 3341, 11=data-topic-data-11 number = 11 , length = 2097127
>> refCount = 3625, 12=data-topic-data-12 number = 12 , length = 2097111
>> refCount = 3602, 13=data-topic-data-13 number = 13 , length = 2097127
>> refCount = 3544, 14=data-topic-data-14 number = 14 , length = 2097111
>> refCount = 3412, 15=data-topic-data-15 number = 15 , length = 2097127
>> refCount = 3698, 17=data-topic-data-17 number = 17 , length = 2097127
>> refCount = 3612, 16=data-topic-data-16 number = 16 , length = 2097111
>> refCount = 3570, 19=data-topic-data-19 number = 19 , length = 2097127
>> refCount = 3588, 18=data-topic-data-18 number = 18 , length = 2097111
>> refCount = 3468, 21=data-topic-data-21 number = 21 , length = 2097127
>> refCount = 3322, 20=data-topic-data-20 number = 20 , length = 2097111
>> refCount = 3284, 23=data-topic-data-23 number = 23 , length = 2097127
>> refCount = 3336, 22=data-topic-data-22 number = 22 , length = 2097111
>> refCount = 3188, 25=data-topic-data-25 number = 25 , length = 2097127
>> refCount = 3270, 24=data-topic-data-24 number = 24 , length = 2097111
>> refCount = 3322, 27=data-topic-data-27 number = 27 , length = 2097127
>> refCount = 3240, 26=data-topic-data-26 number = 26 , length = 2097111
>> refCount = 3214, 29=data-topic-data-29 number = 29 , length = 2097127
>> refCount = 3290, 28=data-topic-data-28 number = 28 , length = 2097111
>> refCount = 3126, 31=data-topic-data-31 number = 31 , length = 2097127
>> refCount = 3382, 30=data-topic-data-30 number = 30 , length = 2097111
>> refCount = 3200, 34=data-topic-data-34 number = 34 , length = 2097111
>> refCount = 2928, 35=data-topic-data-35 number = 35 , length = 2097127
>> refCount = 3094, 32=data-topic-data-32 number = 32 , length = 2097111
>> refCount = 2866, 33=data-topic-data-33 number = 33 , length = 2097127
>> refCount = 3096, 38=data-topic-data-38 number = 38 , length = 2097111
>> refCount = 3202, 39=data-topic-data-39 number = 39 , length = 2097127
>> refCount = 3158, 36=data-topic-data-36 number = 36 , length = 2097111
>> refCount = 3146, 37=data-topic-data-37 number = 37 , length = 2097127
>> refCount = 3082, 42=data-topic-data-42 number = 42 , length = 2097111
>> refCount = 9917, 43=data-topic-data-43 number = 43 , length = 2097127
>> refCount = 24897, 40=data-topic-data-40 number = 40 , length = 2097111
>> refCount = 3144, 41=data-topic-data-41 number = 41 , length = 2097127
>> refCount = 3344, 44=data-topic-data-44 number = 44 , length = 2097111
>> refCount = 24650, 45=data-topic-data-45 number = 45 , length = 1051587
>> refCount = 12466}
>> 2009-01-25 14:33:15,429 [168.20.36:53310] ERROR MapContainerImpl
>> - Failed to get value for offset=17748, key=(4, 610628, 47), value=(4,
>> 610680, 63), previousItem=102, nextItem=-1
>> java.io.IOException: Could not locate data file data-topic-data-4
>>         at
>> org.apache.activemq.kaha.impl.data.DataManagerImpl.getDataFile(DataManagerImpl.java:129)
>>         at
>> org.apache.activemq.kaha.impl.data.SyncDataFileReader.readItem(SyncDataFileReader.java:65)
>>         at
>> org.apache.activemq.kaha.impl.data.DataManagerImpl.readItem(DataManagerImpl.java:141)
>>         at
>> org.apache.activemq.kaha.impl.container.MapContainerImpl.getValue(MapContainerImpl.java:481)
>>         at
>> org.apache.activemq.store.kahadaptor.KahaTopicReferenceStore.recoverNextMessages(KahaTopicReferenceStore.java:254)
>>         at
>> org.apache.activemq.store.amq.AMQTopicMessageStore.recoverNextMessages(AMQTopicMessageStore.java:59)
>>         at
>> org.apache.activemq.broker.region.cursors.TopicStorePrefetch.doFillBatch(TopicStorePrefetch.java:94)
>> ..
>> 2009-01-25 14:33:15,429 [168.20.36:53310] ERROR AbstractStoreCursor
>> - Failed to fill batch
>> org.apache.activemq.kaha.RuntimeStoreException: java.io.IOException: Could
>> not locate data file data-topic-data-4
>>         at
>> org.apache.activemq.kaha.impl.container.MapContainerImpl.getValue(MapContainerImpl.java:484)
>>         at
>> org.apache.activemq.store.kahadaptor.KahaTopicReferenceStore.recoverNextMessages(KahaTopicReferenceStore.java:254)
>>         at
>> org.apache.activemq.store.amq.AMQTopicMessageStore.recoverNextMessages(AMQTopicMessageStore.java:59)
>>         at
>> org.apache.activemq.broker.region.cursors.TopicStorePrefetch.doFillBatch(TopicStorePrefetch.java:94)
>>         at
>> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:227)
>>         at
>> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:100)
>>         at
>> org.apache.activemq.broker.region.cursors.StoreDurableSubscriberCursor.reset(StoreDurableSubscriberCursor.java:233)
>>         at
>> org.apache.activemq.broker.region.PrefetchSubscription.dispatchPending(PrefetchSubscription.java:566)
>>         at
>> org.apache.activemq.broker.region.PrefetchSubscription.add(PrefetchSubscription.java:150)
>>         at
>> org.apache.activemq.broker.region.DurableTopicSubscription.add(DurableTopicSubscription.java:197)
>>         at
>> org.apache.activemq.broker.region.policy.SimpleDispatchPolicy.dispatch(SimpleDispatchPolicy.java:49)
>>         at
>> org.apache.activemq.broker.region.Topic.dispatch(Topic.java:580)
>>         at
>> org.apache.activemq.broker.region.Topic.doMessageSend(Topic.java:427)
>>         at org.apache.activemq.broker.region.Topic.send(Topic.java:365)
>>         at
>> org.apache.activemq.broker.region.AbstractRegion.send(AbstractRegion.java:350)
>>         at
>> org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:437)
>>         at
>> org.apache.activemq.broker.TransactionBroker.send(TransactionBroker.java:224)
>>         at
>> org.apache.activemq.broker.BrokerFilter.send(BrokerFilter.java:126)
>>         at
>> org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:95)
>>         at
>> org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:133)
>>         at
>> org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:450)
>>         at
>> org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:639)
>>         at
>> org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:305)
>> ..
>>
>> To fix this problem, we have to delete the data store and let MQ recreate
>> it. My question is
>> that is there a way to recover from this situation? More importantly, is
>> there a way to
>> prevent ourself to get into this situation.
>>
>> thanks
>> thomas
>>
>
> --
> View this message in context: http://www.nabble.com/5.2.0-dequeue-counter%3D0-pending-queue-stalls-tp21658012p21966159.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>

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