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From HU <gong...@hotmail.com>
Subject Re: Broker used up the memory
Date Mon, 25 Sep 2006 09:00:33 GMT

I am a beginner in ActiveMQ. Could you please tell me how to use ActiveMQ
with MySQL DB.

HU

James.Strachan wrote:
> 
> Try increasing your heap size via java -Xmx=512m or something. If you
> want to reduce your RAM footprint use the <usageManager> element and
> try using a database in another process (MySQL/Postgresql) rather than
> the embedded Derby.
> 
> 
> On 9/22/06, HU <gong_pu@hotmail.com> wrote:
>>
>> I did a test as below:
>> 1, use below codes to start a broker thread that only create 2 queues:
>>
>> BrokerService broker = new BrokerService();
>> broker.addConnector("tcp://localhost:61616");
>> broker.start();
>> ActiveMQConnectionFactory connectionFactory;
>> connectionFactory = new ActiveMQConnectionFactory(
>> "failover:tcp://localhost:61616");
>>
>> 2, create a sender thread and  a consumer thread which use the 2 queues.
>> 3, Send a mesesage from sender thread through a queue then receive the
>> message on the consumer thread.
>> 4, Send a message from consumer thread through another queue and recieve
>> the
>> message on the sender thread.
>> 5, repeat 3 and 4.
>>
>> After send about 380 messages from sendder thread, an error occurred on
>> the
>> broker thread which is:
>> Thread[ActiveMQ Transport server: tcp//XXX:61616]( Interrupting...
>> (Exception OutOfMemoryError)
>>  OpenWireFormat.<int>(int) Line:62
>> ....
>>
>> Could someone tell me please how to resolve the problem.
>> --
>> View this message in context:
>> http://www.nabble.com/Broker-used-up-the-memory-tf2316972.html#a6444443
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
>>
> 
> 
> -- 
> 
> James
> -------
> http://radio.weblogs.com/0112098/
> 
> 

-- 
View this message in context: http://www.nabble.com/Broker-used-up-the-memory-tf2316972.html#a6482630
Sent from the ActiveMQ - User mailing list archive at Nabble.com.


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