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From Jason Dillon <ja...@planet57.com>
Subject Re: ActiveMQ CNFE on CTRL-C
Date Wed, 13 Sep 2006 20:19:11 GMT
I will try adding a new attribute and updating the plan to set it...

GBeans are so tedious, I wish I just had a spring XML to configure  
this bean... :-(

--jason


On Sep 13, 2006, at 8:32 AM, Aaron Mulder wrote:

> As I said, for the current version of ActiveMQ, the property can be
> set directly on the broker, instead of using a system property.  I
> assume we'll be able to ditch the system property GBean and just
> configure the broker GBean accordingly.
>
> Thanks,
>     Aaron
>
> On 9/13/06, Kevan Miller <kevan.miller@gmail.com> wrote:
>>
>> On Sep 13, 2006, at 7:37 AM, Aaron Mulder wrote:
>>
>> > We shouldn't use the ActiveMQ shutdown hook -- we'll shut it down
>> > gracefully during the Geronimo kernel shutdown process.  In a  
>> normal
>> > ActiveMQ config file you disable it with something like this:
>> >
>> > <broker useShutdownHook="false" ...>
>> >
>> > I haven't looked at our current ActiveMQ integration syntax but I
>> > assume we can set that same property on the broker object/GBean.
>>
>> Right. The real issue is why the ActiveMQ shutdown hook is running. I
>> think the CNFE is occurring because the module has been stopped and
>> MultiParentClassLoader.destroy() has been called (thus no more
>> classes will be loaded...).
>>
>> For G 1.0 and 1.1 we disabled the ActiveMQ shutdown hook with the
>> following in configs/activemq-broker/src/plan/plan.xml
>>
>>      <gbean name="SystemProperties"
>> class="org.apache.geronimo.system.properties.SystemProperties">
>>          <attribute name="systemProperties">
>>              activemq.broker.disable-clean-shutdown=true
>>          </attribute>
>>      </gbean>
>>
>> I see we're still setting the system property in the active mq plan.
>> So, either ActiveMQ 4 uses a different system property or there's a
>> different problem.
>>
>> On the different problem track: a while back, we had a dependency
>> issue which allowed ActiveMQ to start before the SystemProperties
>> GBean had been started -- so, ActiveMQ wasn't seeing the above system
>> property. See http://issues.apache.org/jira/browse/GERONIMO-1818
>>
>> --kevan
>>
>> >
>> > Thanks,
>> >      Aaron
>> >
>> > On 9/12/06, Jason Dillon <jason@planet57.com> wrote:
>> >> I'm not sure if this was the same error that was reported  
>> before...
>> >> but I am seeing a CNFE when shutting down jetty j2ee (`java - 
>> jar bin/
>> >> sever.jar --long`) with CTRL-C:
>> >>
>> >> <snip>
>> >> java.lang.NoClassDefFoundError: org/apache/activemq/broker/
>> >> BrokerService$2$1
>> >>          at org.apache.activemq.broker.BrokerService$2.stop
>> >> (BrokerService.java:1137)
>> >>          at org.apache.activemq.util.ServiceStopper.stop
>> >> (ServiceStopper.java:42)
>> >>          at org.apache.activemq.broker.BrokerService.stop
>> >> (BrokerService.java:442)
>> >>          at
>> >> org.apache.activemq.broker.BrokerService.containerShutdown
>> >> (BrokerService.java:1311)
>> >>          at org.apache.activemq.broker.BrokerService$3.run
>> >> (BrokerService.java:1288)
>> >> </snip>
>> >>
>> >> This does not show up when using the shutdown command, or at  
>> least I
>> >> can't see it on the console when I use shutdown.sh, but it does  
>> show
>> >> up w/CTRL-C.
>> >>
>> >> Is the shutdown hook, not using the right classloader or  
>> something?
>> >>
>> >> --jason
>> >>
>>
>>


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