On Sat, 2006-02-04 at 17:44, Scott M Stark wrote: > It was the only way I found to implement a timeout behavior that had a > chance of working when there were uncooperative tasks. See the > org.jboss.test.util.test. > ThreadPoolTaskUnitTestCase.testCompleteTimeoutWithSpinLoop as an > example.
There is no real solution to that problem in java. CPU loops don't respond to thread interrupts. You can't even redefineClass() to add a Thread.interrupted() check in the misbehaving method, because it won't take affect on that invocation. Stopping the thread will avoid the cpu utilization problem, but your JVM is now in an unknown/unstable state. Connection c = dataSource.getConnection(); try { synchronized (lock) { spin(); // ---> Stop } } finally { c.close(); // Never done } The connection leaks, I don't know what happens to the lock? A better solution would be to "automatically" trigger a reboot if you detect a misbehaving thread. > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Adrian Brock > Sent: Saturday, February 04, 2006 2:33 PM > To: jboss-development@lists.sourceforge.net > Subject: [JBoss-dev] BasicThreadPool and Thread.stop() > > I don't think it is a good idea to invoke Thread.stop(). > This has memory leak problems. > > Why was this introduced? The pooled threads are already daemon threads > so they should not stop the system from exiting at shutdown. > > If you are not shutting down the system, then any objects > on the stopped thread's stack are not garbage collected. -- xxxxxxxxxxxxxxxxxxxxxxxx Adrian Brock Chief Scientist JBoss Inc. xxxxxxxxxxxxxxxxxxxxxxxx ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ JBoss-Development mailing list JBoss-Development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-development