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From "James Strachan" <james.strac...@gmail.com>
Subject Re: Tomcat hang-up
Date Wed, 14 Jun 2006 06:24:05 GMT
That code looks fine to me. I've no idea why this can be causing a
hang. Which version are you using?

Does attempting to create a thread dump give you anything?

On 6/13/06, Marcus Zarra <mzarra@mac.com> wrote:
> Hopefully this is a simple question that has been answered before.  I
> am attempting to connect to an ActiveMQ broker from tomcat and the
> broker is running on another machine.  The tomcat version that is
> being used is old enough that I cannot put a context.xml in place and
> access the broker via a context lookup.  Therefore I am simply
> attempting to connect to the broker inside of the init method for a
> servlet using the following code:
>
>          o = getServletContext().getAttribute("queueConnection");
>          Connection connection;
>          if (o == null) {
>              String jmsURL = getServletContext().getInitParameter
> ("JMS_URL");
>              log.info("URL is '" + jmsURL + "'");
>              ActiveMQConnectionFactory connectionFactory;
>              try {
>                  log.info("Connecting to JMS");
>                  connectionFactory = new ActiveMQConnectionFactory
> (jmsURL);
>                  log.info("Factory initialized");
>                  connection = connectionFactory.createConnection();
>                  log.info("Connection established");
>                  connection.start();
>                  log.info("Connection started");
>                  getServletContext().setAttribute("queueConnection",
> connection);
>              } catch (Throwable e) {
>                  log.error("Error initializing JMS Connection", e);
>                  throw new RuntimeException("Failed to initialize JMS
> Connection");
>              }
>          } else {
>              connection = (QueueConnection)o;
>          }
>
>
> There is some additional things going on in the init method but this
> is the area having an issue.  The issue is that the code stops dead
> on connection.start() every time and locks so hard that I need to
> kill -9 tomcat.
>
> Has anyone seen and/or resolved this issue before?  Or is there a
> cleaner/safer way to establish a connection to a broker from inside
> of a 4.x tomcat instance.
>
> Thanks,
>
> Marcus
>


-- 

James
-------
http://radio.weblogs.com/0112098/

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