Hi Dan, Ctrl-\ on Solaris/Linux or Ctrl-Break on Windows.
Thanks, Ruwan On Sat, Mar 7, 2009 at 1:11 AM, Daniel Mc Iver <[email protected]>wrote: > Hi Ruwan, > > How can I capture a thread dump? > > Dan > > -----Original Message----- > From: Ruwan Linton [mailto:[email protected]] > Sent: Friday, March 06, 2009 1:04 PM > To: [email protected] > Subject: Re: JMS proxy stopped reading messages > > Hi Dan, > > You cannot assure that Synapse is not locked because of a task is running, > this is because the JMS transport is using a different thread pool than the > one used to run tasks. Tasks are running on the synapse core thread pool > where as the JMS message reading process is done by the transport thread > pool. > > I suspect that the JMS transport thread pool has been locked and exhausted > due to some reason. Can you please try to reproduce this and attach a > thread > dump after it stops reading the JMS queue? > > Thanks, > Ruwan > > On Fri, Mar 6, 2009 at 11:55 PM, Daniel Mc Iver <[email protected] > >wrote: > > > Hi guys, > > > > I had a issue in a live system where after reading about 250 messages > from > > two JMS queues (on ActiveMQ) the JMS proxies stopped reading messages and > > they started queuing up in the JMS queues. Synapse wasn't locked up as a > > task continued to run periodically after it stopped reading messages. > When I > > restarted Synapse it started reading the messages again. Can you give me > > some guidance as to what may have gone wrong? I can't find anything in > the > > log files. ActiveMQ and Synapse are on the same server and were both up > > throughout. > > > > Thanks, > > > > Dan > > > > ________________________________ > > The information in this message is confidential and may be legally > > privileged. It is intended solely for the addressee. Access to this > message > > by anyone else is unauthorised. If you are not the intended recipient, > any > > disclosure, copying, or distribution of the message, or any action or > > omission taken by you in reliance on it, is prohibited and may be > unlawful. > > Please immediately contact the sender if you have received this message > in > > error. > > > > The views and opinions expressed in this email may not reflect the views > > and opinions of any member of Lagan Technologies Limited, or any of its > > subsidiaries. > > > > Lagan Technologies Limited is a company registered in Northern Ireland > with > > registration number NI 28773. The registered office of Lagan Technologies > > Limited is 209 Airport Road West, Belfast, Co. Antrim, BT3 9EZ. > > > > > > > -- > Ruwan Linton > http://wso2.org - "Oxygenating the Web Services Platform" > http://ruwansblog.blogspot.com/ > > The information in this message is confidential and may be legally > privileged. It is intended solely for the addressee. Access to this message > by anyone else is unauthorised. If you are not the intended recipient, any > disclosure, copying, or distribution of the message, or any action or > omission taken by you in reliance on it, is prohibited and may be unlawful. > Please immediately contact the sender if you have received this message in > error. > > The views and opinions expressed in this email may not reflect the views > and opinions of any member of Lagan Technologies Limited, or any of its > subsidiaries. > > Lagan Technologies Limited is a company registered in Northern Ireland with > registration number NI 28773. The registered office of Lagan Technologies > Limited is 209 Airport Road West, Belfast, Co. Antrim, BT3 9EZ. > > -- Ruwan Linton http://wso2.org - "Oxygenating the Web Services Platform" http://ruwansblog.blogspot.com/
