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From andymorris <andymorri...@gmail.com>
Subject Re: Messages getting Stuck
Date Tue, 31 Mar 2009 11:23:00 GMT

Hi guys/gals

I know this is a fairly old post but I am experiencing exactly the same
problem as described using version 5.2, so any bug may not have been fixed.

After failover a load of messages (have seen up to 7000) get stuck, if I
then restart the dead node and kill the new master (so switching back) then
some of the messages get consumed, however this is only a few hundred or
thousand and it gets stuck again. I keep switching broker node by restarting
the dead one and killing the master and it tends to get through the
remainding messages, but it tends to get to a few hundred left and no more
restarting helps.

My setup is:
ActiveMQ 5.2 HA with two nodes master and slave.
Java 6
Spring 2.5
Jencks to provide pooled connections (inbound and outbound)
JmsTemplate
Running from jar file (no appserver in this environment)

FYI our company has used ActiveMQ for the last few years and has had quite a
few problems (some their fault like putting 50mb files in messages!) and I'm
meant to be looking at alternatives. I'd like to prove that if we use it
properly and upgrade to the latest version that there'd be no/less
significant problems.

Any help would be greatly appreciated.

andy


rajdavies wrote:
> 
> Hi Vivek,
> 
> do you get the same behaviour with the default store (AMQ) ? You can  
> set this by commenting out the persistence option from your  
> configuration
> 
> cheers,
> 
> Rob
> On 15 Sep 2008, at 10:40, krv wrote:
> 
>>
>> Ok, now I tried the latest version (5.2.0-SNAPSHOT) and faced the  
>> issue at a
>> very early stage. Also the GUI was not showing number of messages
>> enqueued/dequeued properly. The counts were wrong.
>>
>> Please post if you have got any relevant information.
>>
>> Thanks in advance.
>>
>> Regards,
>> Vivek
>>
>>
>> krv wrote:
>>>
>>> Hi Rob,
>>>
>>> Thanks for the advice. I tried using 5.1.0 but the issue was still  
>>> there.
>>> I hope my configuration is correct -
>>> http://www.nabble.com/file/p19449362/activemq.xml activemq.xml  and  
>>> did
>>> not miss any configuration.
>>>
>>> Please let me know if you get anything. I'll also be trying the  
>>> latest
>>> SNAPSHOT, but I don't think I can wait for long for the stable  
>>> version.
>>>
>>> Regards,
>>> Vivek
>>>
>>>
>>> rajdavies wrote:
>>>>
>>>> Hi Vivek,
>>>>
>>>> this could well be a known bug - can you use 5.1 - or 5.2 (due out  
>>>> soon)
>>>>
>>>> thanks,
>>>>
>>>> Rob
>>>> On 11 Sep 2008, at 16:31, krv wrote:
>>>>
>>>>>
>>>>> Hi,
>>>>>
>>>>> Sorry for posting this again, but I did not find any solution to  
>>>>> the
>>>>> problem
>>>>> in the threads posted for the similar problem.
>>>>>
>>>>> I'm using using ActiveMQ 5.0.0. I have a single enqueuer which
>>>>> enqueues say
>>>>> about 100 messages for a request. I have multiple (threaded)  
>>>>> dequeuers
>>>>> running on different machines which poll Amq for messages.
>>>>>
>>>>> After about 2k-3k messages (or probably time) I see messages  
>>>>> getting
>>>>> stuck
>>>>> in the AMQ store (I'm using pure JDBC persistence using mysql). I
>>>>> can see
>>>>> the messages in the DB but the consumers do not get it. If I  
>>>>> restart
>>>>> ActiveMQ the messages are delivered. I've attached my file -
>>>>> http://www.nabble.com/file/p19437217/activemq.xml activemq.xml .
>>>>>
>>>>> Any kind of help is greatly appreciated.
>>>>>
>>>>> Regards,
>>>>> Vivek
>>>>> -- 
>>>>> View this message in context:
>>>>> http://www.nabble.com/Messages-getting-Stuck-tp19437217p19437217.html
>>>>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>> -- 
>> View this message in context:
>> http://www.nabble.com/Messages-getting-Stuck-tp19437217p19489877.html
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
> 
> 
> 

-- 
View this message in context: http://www.nabble.com/Messages-getting-Stuck-tp19437217p22803094.html
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