Re: [Resin-interest] Db Pool freezes waiting on _pool (3.1.3)

2012-07-10 Thread Steven Cassidy
Just to close this out, switching the mysql driver to com.mysql.jdbc.Driver does appear to have fixed the problem. Thanks very much. On 6 July 2012 16:26, Scott Ferguson f...@caucho.com wrote: On 07/06/2012 12:45 PM, Steven Cassidy wrote: Hi, Thanks for the replies. I don't think there's a

[Resin-interest] Db Pool freezes waiting on _pool (3.1.3)

2012-07-06 Thread Steven Cassidy
Hi, I'm using resin-3.1.3 on a busy site. Periodically the site freezes. A jstack on the server shows most threads in this state: java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at com.caucho.jca.ConnectionPool.create(ConnectionPool.java:897) -

Re: [Resin-interest] Db Pool freezes waiting on _pool (3.1.3)

2012-07-06 Thread Knut Forkalsrud
You may want to keep track of the DB pool statistics. Active versus maximum allocation counts. If this is a connection leak you would notice the number of active connection creeping upwards until it reaches max and your freezing symptoms appear. Knut Forkalsrud On Fri, Jul 6, 2012 at 5:51

Re: [Resin-interest] Db Pool freezes waiting on _pool (3.1.3)

2012-07-06 Thread Scott Ferguson
On 07/06/2012 11:47 AM, Knut Forkalsrud wrote: You may want to keep track of the DB pool statistics. Active versus maximum allocation counts. If this is a connection leak you would notice the number of active connection creeping upwards until it reaches max and your freezing symptoms appear.