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From "Przemek Bruski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-5249) "cursor got duplicate" error after upgrade
Date Wed, 29 Oct 2014 12:23:34 GMT

    [ https://issues.apache.org/jira/browse/AMQ-5249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14188299#comment-14188299
] 

Przemek Bruski commented on AMQ-5249:
-------------------------------------

Thank you for you response. The problem is that I'd have to push it out to production (we
can't reproduce it on our test servers).
Is current 5.11-SNAPSHOT stable enough to do that? Is 5.11 final far away?

> "cursor got duplicate" error after upgrade
> ------------------------------------------
>
>                 Key: AMQ-5249
>                 URL: https://issues.apache.org/jira/browse/AMQ-5249
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.9.1, 5.10.0
>            Reporter: Rural Hunter
>
> I was using 5.9.0 and meet one problem so I tried to upgrade activemq. I tried both 5.9.1
and 5.10.0 and encouterred a same problem. I saw messages filled DLQ very quickly. I checked
the clients both producer and consumer but there was no error. I checked activemq log and
found the log is full of these warnings:
> 2014-06-27 23:22:09,337 | WARN  | org.apache.activemq.broker.region.cursors.QueueStorePrefetch@19117501:com.cyyun.webmon.spider.update,batchResetNeeded=false,storeHasMessages=true,size=211,cacheEnabled=true,maxBatchSize:200,hasSpace:true
- cursor got duplicate: ID:211.com-52399-1400732399425-1:1:235992:1:1, 4 | org.apache.activemq.broker.region.cursors.AbstractStoreCursor
| ActiveMQ Broker[localhost] Scheduler
> 2014-06-27 23:22:09,337 | WARN  | org.apache.activemq.broker.region.cursors.QueueStorePrefetch@19117501:com.xxxx.update,batchResetNeeded=false,storeHasMessages=true,size=211,cacheEnabled=true,maxBatchSize:200,hasSpace:true
- cursor got duplicate: ID:nbzjjf22805-34129-1403880308671-1:1:28:1:1, 4 | org.apache.activemq.broker.region.cursors.AbstractStoreCursor
| ActiveMQ Broker[localhost] Scheduler
> 2014-06-27 23:22:09,338 | WARN  | org.apache.activemq.broker.region.cursors.QueueStorePrefetch@19117501:com.xxxxx.update,batchResetNeeded=false,storeHasMessages=true,size=211,cacheEnabled=true,maxBatchSize:200,hasSpace:true
- cursor got duplicate: ID:jxncxnj2-48598-1403856107346-1:1:6007:1:1, 4 | org.apache.activemq.broker.region.cursors.AbstractStoreCursor
| ActiveMQ Broker[localhost] Scheduler
> 2014-06-27 23:22:09,338 | WARN  | org.apache.activemq.broker.region.cursors.QueueStorePrefetch@19117501:com.xxxx.update,batchResetNeeded=false,storeHasMessages=true,size=211,cacheEnabled=true,maxBatchSize:200,hasSpace:true
- cursor got duplicate: ID:jxnc17-60227-1400730816361-1:1:149072:1:1, 4 | org.apache.activemq.broker.region.cursors.AbstractStoreCursor
| ActiveMQ Broker[localhost] Scheduler
> 2014-06-27 23:22:09,339 | WARN  | org.apache.activemq.broker.region.cursors.QueueStorePrefetch@19117501:com.xxxx.update,batchResetNeeded=false,storeHasMessages=true,size=211,cacheEnabled=true,maxBatchSize:200,hasSpace:true
- cursor got duplicate: ID:cyyun-46954-1403800808565-1:1:9765:1:1, 4 | org.apache.activemq.broker.region.cursors.AbstractStoreCursor
| ActiveMQ Broker[localhost] Scheduler
> 2014-06-27 23:22:09,339 | WARN  | org.apache.activemq.broker.region.cursors.QueueStorePrefetch@19117501:com.xxxx.update,batchResetNeeded=false,storeHasMessages=true,size=211,cacheEnabled=true,maxBatchSize:200,hasSpace:true
- cursor got duplicate: ID:ubuntu-55495-1403497638437-1:1:53086:1:1, 4 | org.apache.activemq.broker.region.cursors.AbstractStoreCursor
| ActiveMQ Broker[localhost] Scheduler
> 2014-06-27 23:22:09,340 | WARN  | org.apache.activemq.broker.region.cursors.QueueStorePrefetch@19117501:com.xxxx.update,batchResetNeeded=false,storeHasMessages=true,size=211,cacheEnabled=true,maxBatchSize:200,hasSpace:true
- cursor got duplicate: ID:cyyun-39030-1403880008363-1:1:70:1:1, 4 | org.apache.activemq.broker.region.cursors.AbstractStoreCursor
| ActiveMQ Broker[localhost] Scheduler
> The problem mostly happens right after activemq starts and sometimes happened after activemq
worked normally for a while.
> For now I have to roll back to 5.9.0 and the problem doesn't occure.



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