Re: ActiveMQ 5.2.0 - Problem starting a BrokerService programmatically.

[virtualshock <na...@virtualshock.net>]

Thanks Bruce.  You got me in the right direction.  My connectionFactory had
already locked the data directory causing my custom startup code to hang.  I
used "create=false" in my brokerURL on the connectionFactory and now it is
starting up correctly.


bsnyder wrote:
> 
> On Thu, Apr 2, 2009 at 10:48 AM, virtualshock <na...@virtualshock.net>
> wrote:
>>
>> I am running ActiveMQ embedded in another application and it seems like
>> it is
>> running correctly but broker.start() never returns which is hanging the
>> startup of my program.  In 4.x I didn't have this problem.
>> Here is a code snippet of how I am starting ActiveMQ :
>>
>>            broker = new BrokerService();
>>            broker.setBrokerName(getInternalConnectionName());
>>            broker.getManagementContext().setCreateConnector(false);
>>            broker.setPersistent(true);
>>            broker.addConnector(getExternalConnectionURL());
>>            broker.start();
>>
>> Here is the log output :
>>
>> 2009-04-02 11:14:42,884 [WrapperListener_start_runner] DEBUG
>> com.xxxx.agents.ActiveMQAgent - Starting
>> ActiveMQAgent:tcp://localhost:61616
>> & vm://embeddedActiveMQBroker
>> 2009-04-02 11:14:42,885 [WrapperListener_start_runner] INFO
>> org.apache.activemq.broker.BrokerService - Using Persistence Adapter:
>> AMQPersistenceAdapter(activemq-data/embeddedActiveMQBroker)
>> 2009-04-02 11:14:42,885 [WrapperListener_start_runner] WARN
>> org.apache.activemq.store.amq.AMQPersistenceAdapter - Waiting to Lock the
>> Store activemq-data/embeddedActiveMQBroker
> 
> Looks like the problem is above. There must be a lock on the data
> directory that hasn't been removed. Do you have more than one broker
> pointed at the same data directory? If so, this is correct
> functionality and is known as shared filesystem master/slave:
> 
> http://activemq.apache.org/shared-file-system-master-slave.html
> 
> If you don't have another broker pointed at the same data directory,
> then it sounds like there might be a stale lock on the data directory.
> You can manually locate the lock file and remove it or you can delete
> the data directory completely and ActiveMQ will create a new data
> directory upon restart.
> 
> Make sure that you're shutting down the broker using the
> BrokerService.stop() method?
> 
> Bruce
> -- 
> perl -e 'print
> unpack("u30","D0G)U8V4\@4VYY9&5R\"F)R=6-E+G-N>61E<D\!G;6%I;\"YC;VT*"
> );'
> 
> Apache ActiveMQ - http://activemq.apache.org/
> Apache Camel - http://camel.apache.org/
> Apache ServiceMix - http://servicemix.apache.org/
> 
> Blog: http://bruceblog.org/
> 
> 

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