Which version of Camel do you use? Christian
On Thu, Oct 20, 2011 at 11:17 PM, awillia <[email protected]>wrote: > We are using the SMPP component to integrate our messaging platform with > SMS-Cs. I have found that we occasionally get a massive rise in number of > threads in the system. > > It would go from around 300 threads used with a steady rise up to over > 5,000 > threads. > > Looking at when this occurs I think it is linked to losing a connection > with > the SMS-C and therefore it tries to reconnect. While the connection is down > it continues to increase the thread count and then when the connection is > re-established it flat lines again and stays at that number (ie. over > 5,000). > > I am wondering whether it is linked to the SMPPSession in jsmpp and the > fact > that each time we try to reconnect we establish a new session. The previous > session is closed, but the session contains a PDUReaderWorker that has a > thread pool (with a default size of 3). I suspect the threads in this pool > are not being released when the session is closed. > > Has anyone had this problem or has knowledge about whether my suspicions > are > correct. > > In JConsole I have alot of threads that look like this. > > Name: pool-1329-thread-1 > State: WAITING on > > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@13e9a32 > Total blocked: 0 Total waited: 1 > > Stack trace: > sun.misc.Unsafe.park(Native Method) > java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) > > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043) > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:386) > > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043) > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103) > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > java.lang.Thread.run(Thread.java:679) > > -- > View this message in context: > http://camel.465427.n5.nabble.com/Unreleased-thread-possible-in-SMPP-component-tp4922901p4922901.html > Sent from the Camel - Users mailing list archive at Nabble.com. >
