users@glassfish.java.net

Re: JMQ Broker not Responding Warning

From: Amy Kang <amy.kang_at_oracle.com>
Date: Thu, 12 Jan 2012 12:55:37 -0800

On 01/11/2012 06:17 PM, forums_at_java.net wrote:
> Thanks Amy for the quick response.
>
> Are there any network issue between the systems that running the client
> application and broker ?
> > The system infra team says there is no network issues as per their
> monitoring screen.
>
> Is this persistent message ? Is the broker using 'jdbc' store ?
> > Yes, we persist the message into Oracle Database using jdbc store.
> imq.persist.jdbc.oracle.property.url=jdbc\:oracle\:thin\:@(DESCRIPTION\=(ADDRESS\=(PROTOCOL\=tcp)(HOST\=oraclesphinxedge)(PORT\=1521))(CONNECT_DATA\=(SERVICE_NAME\=prd14)))
>
>
> Could you get a thread dump on the broker when this occurs ?
> > We would plan to take the dump next time this happens.
>
> If we dont see anything wrong in the dump, any other pointers to
> troubleshoot
> is appreciated?
>

make sure network between broker and the Oracle database is ok; if there
are high concurrent JMS connections, consider increasing the broker's
JDBC connection pool size
http://docs.oracle.com/cd/E18930_01/html/821-2438/aeonv.html#aeonx

amy

> Thanks.
>
>
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>
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