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Subject: Re: ActiveMQ Broker Scheduler unable to create new native thread
References: <1348209293639-4656787.post@n4.nabble.com>
From: Gaurav Sharma <gaurav.cs.sharma@gmail.com>
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Date: Fri, 21 Sep 2012 08:21:36 -0700
To: "users@activemq.apache.org" <users@activemq.apache.org>
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How much heap have we given to the broker and what else is running on the sa=
me machine? Also, just fire up jconsole, attach to the process and watch all=
ocations, threads and cpu - should give a clue. v5.6 is the current release,=
 so, upgrade if possible.

On Sep 20, 2012, at 23:34, jockeyyan <jockeyyan@gmail.com> wrote:

> Hi:
>=20
> I am using ActiveMQ 5.4.3 to make some loading test. I created one produce=
r,
> one broker and one consumer with Spring JAX-WS config. The producer invoke=

> the functions to send messages to broker continuously and the consumer jus=
t
> receive and echo.
> Everything is OK at beginning. After invoke many times(about 2000 to 3000)=
,
> the broker is crashed and display the following error message, Does anyone=

> could help me fingure out what the matter of the broker is?
>=20
> --------------------------------------------------------------------------=
------------------------
> Exception in thread "ActiveMQ Broker[localhost] Scheduler"
> java.lang.OutOfMemory
> Error: unable to create new native thread
>        at java.lang.Thread.start0(Native Method)
>        at java.lang.Thread.start(Thread.java:640)
>        at
> java.util.concurrent.ThreadPoolExecutor.addIfUnderMaximumPoolSize(Thr
> eadPoolExecutor.java:727)
>        at
> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.ja
> va:657)
>        at
> org.apache.activemq.thread.PooledTaskRunner.wakeup(PooledTaskRunner.j
> ava:76)
>        at
> org.apache.activemq.broker.region.Queue.asyncWakeup(Queue.java:1637)
>        at
> org.apache.activemq.broker.region.Queue.expireMessages(Queue.java:773
> )
>        at org.apache.activemq.broker.region.Queue.access$100(Queue.java:83=
)
>        at org.apache.activemq.broker.region.Queue$2.run(Queue.java:123)
>        at
> org.apache.activemq.thread.SchedulerTimerTask.run(SchedulerTimerTask.
> java:33)
>        at java.util.TimerThread.mainLoop(Timer.java:512)
>        at java.util.TimerThread.run(Timer.java:462)
> --------------------------------------------------------------------------=
------------------------
>=20
> The config of my consumer as following:
> --------------------------------------------------------------------------=
------------------------
> <bean id=3D"jmsConnectionFactory"
> class=3D"org.springframework.jms.connection.CachingConnectionFactory">
>    <property name=3D"targetConnectionFactory">
>        <bean class=3D"org.apache.activemq.ActiveMQConnectionFactory">
>            <property name=3D"brokerURL" value=3D"tcp://localhost:61616" />=

>        </bean>
>    </property>
>    <property name=3D"sessionCacheSize" value=3D"50" />
> </bean>
>=20
> <bean id=3D"jmsConfig" class=3D"org.apache.cxf.transport.jms.JMSConfigurat=
ion"
>    p:connectionFactory-ref=3D"jmsConnectionFactory"
>    p:targetDestination=3D"test.queue"
> />
>=20
>   =20
>    <jaxws:endpoint xmlns:customer=3D"http://customerservice.example.com/"
>        id=3D"CustomerServiceHTTP" address=3D"jms://"
>        implementor=3D"com.example.customerservice.server.CustomerServiceIm=
pl">
>        <jaxws:features>
>            <bean class=3D"org.apache.cxf.feature.LoggingFeature" />
>            <bean class=3D"org.apache.cxf.transport.jms.JMSConfigFeature"
> p:jmsConfig-ref=3D"jmsConfig" />
>        </jaxws:features>
>    </jaxws:endpoint>
> --------------------------------------------------------------------------=
------------------------
>=20
> The config of my producer as following:
> --------------------------------------------------------------------------=
------------------------
> <bean id=3D"jmsConnectionFactory"
> class=3D"org.springframework.jms.connection.SingleConnectionFactory">
>    <property name=3D"targetConnectionFactory">
>        <bean class=3D"org.apache.activemq.ActiveMQConnectionFactory">
>            <property name=3D"brokerURL" value=3D"tcp://localhost:61616" />=

>        </bean>
>    </property>
> </bean>
>=20
> <bean id=3D"jmsConfig" class=3D"org.apache.cxf.transport.jms.JMSConfigurat=
ion"
>    p:connectionFactory-ref=3D"jmsConnectionFactory"
>    p:targetDestination=3D"test.queue"
> />
>=20
>    <jaxws:client id=3D"customerService"=20
>        address=3D"jms://"=20
>        serviceClass=3D"com.example.customerservice.CustomerService">
>        <jaxws:features>
>            <bean class=3D"org.apache.cxf.feature.LoggingFeature" />
>            <bean class=3D"org.apache.cxf.transport.jms.JMSConfigFeature"
> p:jmsConfig-ref=3D"jmsConfig" />
>        </jaxws:features>
>    </jaxws:client>
> --------------------------------------------------------------------------=
------------------------
>=20
> Jockey Yan
>=20
>=20
>=20
>=20
> --
> View this message in context: http://activemq.2283324.n4.nabble.com/Active=
MQ-Broker-Scheduler-unable-to-create-new-native-thread-tp4656787.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.