Running into this issue on v5.1.9 can anyone confirm that it is fixed in v5.3.x? If I wanted to patch it in 5.1.x, where should I look?
Thanks! On Thursday, April 12, 2018 at 10:55:32 AM UTC-4, Bergner, Arnold wrote: > > We’re facing the same issue on 5.2.2, tomcat 8.0. > > > > I’ve also related the number of Timers to the SAML logins. Logging > org.opensaml in debug mode, I can see a metadata resolver refresh files > every ~10 seconds. Given the refresh interval of 2 hours and the number of > Timers, this seems to be the reason. > > > > The issue was also part of this pull request: > https://github.com/apereo/cas/pull/3130 > > The result is as you say; it’s probably fixed in 5.3. I couldn’t find a > starting point for a backport right away, so we’re hoping for it. > > > > Regards, > > Arnold > > > > *Von:* [email protected] <javascript:> [mailto:[email protected] > <javascript:>] *Im Auftrag von *Dan S > *Gesendet:* Donnerstag, 12. April 2018 16:08 > *An:* CAS Community <[email protected] <javascript:>> > *Cc:* [email protected] <javascript:> > *Betreff:* [cas-user] Re: Thread count keeps growing at tomcat 8.5 with > CAS 5.1 > > > > I haven't found a solution to this issue. It seems to be related to SAML2 > services. Any time one of them creates a service ticket, the thread count > increases and never decreases. > > > > I checked the 5.3 RC2 and it doesn't seem to have the same issue. Once > that release is a stable version, I'll be testing that out for our > deployment. > > > > > > On Monday, August 28, 2017 at 9:02:48 AM UTC-5, Song, Doe-Hyun wrote: > > Good Morning All, > > > > Since we go to production with CAS 5.1, we keep having growing Thread > counts. > > > > We use ehcache for HA implementation and ldap for authentication. > > > Two types of threads – Timer and pool-3-thread – keep growing as time > goes. > > > > Any suggestion to debug this issue? > > > > Thread dump : > > > > > > Full thread dump OpenJDK 64-Bit Server VM (25.101-b13 mixed mode): > > > > "Timer-73" #512 daemon prio=5 os_prio=0 tid=0x00007f0520033000 nid=0x8041 > in Object.wait() [0x00007f0509b5c000] > > java.lang.Thread.State: TIMED_WAITING (on object monitor) > > at java.lang.Object.wait(Native Method) > > at java.util.TimerThread.mainLoop(Timer.java:552) > > - locked <0x00000000afb48f10> (a java.util.TaskQueue) > > at java.util.TimerThread.run(Timer.java:505) > > > > "Timer-72" #509 daemon prio=5 os_prio=0 tid=0x00007f0520019800 nid=0x7fbc > in Object.wait() [0x00007f050a469000] > > java.lang.Thread.State: TIMED_WAITING (on object monitor) > > at java.lang.Object.wait(Native Method) > > at java.util.TimerThread.mainLoop(Timer.java:552) > > - locked <0x00000000afa333a0> (a java.util.TaskQueue) > > at java.util.TimerThread.run(Timer.java:505) > > > > "pool-3-thread-23" #508 prio=5 os_prio=0 tid=0x00007f05180b3000 nid=0x7f36 > waiting on condition [0x00007f0509d60000] > > java.lang.Thread.State: WAITING (parking) > > at sun.misc.Unsafe.park(Native Method) > > - parking to wait for <0x00000000a7f17930> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > > at > java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) > > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) > > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) > > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) > > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) > > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > at java.lang.Thread.run(Thread.java:745) > > > > "Timer-71" #507 daemon prio=5 os_prio=0 tid=0x00007f05180b8800 nid=0x7f35 > in Object.wait() [0x00007f0509f62000] > > java.lang.Thread.State: TIMED_WAITING (on object monitor) > > at java.lang.Object.wait(Native Method) > > at java.util.TimerThread.mainLoop(Timer.java:552) > > - locked <0x00000000af974c00> (a java.util.TaskQueue) > > at java.util.TimerThread.run(Timer.java:505) > > > > "Timer-70" #506 daemon prio=5 os_prio=0 tid=0x00007f05506ba000 nid=0x7eb4 > in Object.wait() [0x00007f0509e61000] > > java.lang.Thread.State: TIMED_WAITING (on object monitor) > > at java.lang.Object.wait(Native Method) > > at java.util.TimerThread.mainLoop(Timer.java:552) > > - locked <0x00000000af8cf808> (a java.util.TaskQueue) > > at java.util.TimerThread.run(Timer.java:505) > > > > "pool-3-thread-22" #496 prio=5 os_prio=0 tid=0x00007f05180b7800 nid=0x79dd > waiting on condition [0x00007f050a063000] > > java.lang.Thread.State: WAITING (parking) > > at sun.misc.Unsafe.park(Native Method) > > - parking to wait for <0x00000000a7f17930> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > > at > java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) > > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) > > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) > > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) > > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) > > > > Thanks, > > Doe > > > > The information contained in this e-mail and any attachments is confidential > and > > intended only for the recipient. 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