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From Tim Leung <timleung1...@gmail.com>
Subject Re: Unable to shutdown tomcat
Date Sun, 16 Feb 2014 20:05:26 GMT
I did a kill -3, and see these messages written to catalina.out. Something
definitely doesn't seem right -

Feb 15, 2014 11:24:23 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal
performance in production environments was not found on the
java.library.path:
.:/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java
2014-02-16 01:22:23
Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.65-b04-462 mixed
mode):

"Thread-5" daemon prio=5 tid=7fe82c1f7000 nid=0x10c4bb000 waiting for
monitor entry [00000000]
   java.lang.Thread.State: BLOCKED (on object monitor)

"GC Daemon" daemon prio=2 tid=7fe82f958800 nid=0x10fc59000 in Object.wait()
[10fc58000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f42b20d0> (a sun.misc.GC$LatencyLock)
at sun.misc.GC$Daemon.run(GC.java:100)
- locked <7f42b20d0> (a sun.misc.GC$LatencyLock)

"AWT-AppKit" daemon prio=5 tid=7fe82f10d000 nid=0x7fff7a5b3960 runnable
[00000000]
   java.lang.Thread.State: RUNNABLE

"Low Memory Detector" daemon prio=5 tid=7fe82f01c800 nid=0x10ca4d000
runnable [00000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread1" daemon prio=9 tid=7fe82f01b800 nid=0x10c94a000 waiting
on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" daemon prio=9 tid=7fe82f01b000 nid=0x10c847000 waiting
on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"Signal Dispatcher" daemon prio=9 tid=7fe82f01a000 nid=0x10c744000 waiting
on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"Surrogate Locker Thread (Concurrent GC)" daemon prio=5 tid=7fe82f019000
nid=0x10c641000 waiting on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"Finalizer" daemon prio=8 tid=7fe82c13f800 nid=0x10c37d000 in Object.wait()
[10c37c000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f42b0400> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <7f42b0400> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:171)

"Reference Handler" daemon prio=10 tid=7fe82c13f000 nid=0x10c27a000 in
Object.wait() [10c279000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f42b0090> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <7f42b0090> (a java.lang.ref.Reference$Lock)

"main" prio=5 tid=7fe82c001800 nid=0x10448e000 runnable [10448b000]
   java.lang.Thread.State: RUNNABLE
at sun.security.pkcs11.wrapper.PKCS11.C_GetSlotList(Native Method)
at sun.security.pkcs11.SunPKCS11.<init>(SunPKCS11.java:314)
at sun.security.pkcs11.SunPKCS11.<init>(SunPKCS11.java:86)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at sun.security.jca.ProviderConfig$4.run(ProviderConfig.java:262)
at java.security.AccessController.doPrivileged(Native Method)
at sun.security.jca.ProviderConfig.doLoadProvider(ProviderConfig.java:244)
at sun.security.jca.ProviderConfig.getProvider(ProviderConfig.java:224)
- locked <7f42b0110> (a sun.misc.Launcher$AppClassLoader)
at sun.security.jca.ProviderList.loadAll(ProviderList.java:264)
at sun.security.jca.ProviderList.removeInvalid(ProviderList.java:281)
at sun.security.jca.Providers.getFullProviderList(Providers.java:129)
- locked <7fb0bfef0> (a java.lang.Class for sun.security.jca.Providers)
at java.security.Security.getProviders(Security.java:421)
at
org.apache.catalina.core.JreMemoryLeakPreventionListener.lifecycleEvent(JreMemoryLeakPreventionListener.java:407)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at
org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402)
- locked <7f42b6328> (a org.apache.catalina.core.StandardServer)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:99)
- locked <7f42b6328> (a org.apache.catalina.core.StandardServer)
at org.apache.catalina.startup.Catalina.load(Catalina.java:639)
at org.apache.catalina.startup.Catalina.load(Catalina.java:664)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:281)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:455)

"VM Thread" prio=9 tid=7fe82c13a000 nid=0x10c177000 runnable

"Gang worker#0 (Parallel GC Threads)" prio=9 tid=7fe82c002800
nid=0x10780d000 runnable

"Gang worker#1 (Parallel GC Threads)" prio=9 tid=7fe82c003800
nid=0x107910000 runnable

"Gang worker#2 (Parallel GC Threads)" prio=9 tid=7fe82c004000
nid=0x107a13000 runnable

"Gang worker#3 (Parallel GC Threads)" prio=9 tid=7fe82c004800
nid=0x107b16000 runnable

"Gang worker#4 (Parallel GC Threads)" prio=9 tid=7fe82c005000
nid=0x107c19000 runnable

"Gang worker#5 (Parallel GC Threads)" prio=9 tid=7fe82c006000
nid=0x107d1c000 runnable

"Gang worker#6 (Parallel GC Threads)" prio=9 tid=7fe82c006800
nid=0x107e1f000 runnable

"Gang worker#7 (Parallel GC Threads)" prio=9 tid=7fe82c007000
nid=0x107f22000 runnable

"Concurrent Mark-Sweep GC Thread" prio=9 tid=7fe82c0e4800 nid=0x10bdee000
runnable
"Gang worker#0 (Parallel CMS Threads)" prio=9 tid=7fe82c0e3000
nid=0x10b3e8000 runnable

"Gang worker#1 (Parallel CMS Threads)" prio=9 tid=7fe82c0e4000
nid=0x10b4eb000 runnable

"VM Periodic Task Thread" prio=10 tid=7fe82f02e000 nid=0x10cb50000 waiting
on condition

"Exception Catcher Thread" prio=10 tid=7fe82c002000 nid=0x104636000
runnable
JNI global references: 951

Heap
 par new generation   total 19136K, used 8077K [7f3000000, 7f44c0000,
7f44c0000)
  eden space 17024K,  35% used [7f3000000, 7f35d34b8, 7f40a0000)
  from space 2112K, 100% used [7f42b0000, 7f44c0000, 7f44c0000)
  to   space 2112K,   0% used [7f40a0000, 7f40a0000, 7f42b0000)
 concurrent mark-sweep generation total 63872K, used 56K [7f44c0000,
7f8320000, 7fae00000)
 concurrent-mark-sweep perm gen total 21248K, used 12485K [7fae00000,
7fc2c0000, 800000000)

2014-02-16 01:24:53
Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.65-b04-462 mixed
mode):

"Thread-5" daemon prio=5 tid=7fe82c1f7000 nid=0x10c4bb000 waiting for
monitor entry [00000000]
   java.lang.Thread.State: BLOCKED (on object monitor)

"GC Daemon" daemon pridevo=2 tid=7fe82f958800 nid=0x10fc59000 in
Object.wait() [10fc58000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f42b20d0> (a sun.misc.GC$LatencyLock)
at sun.misc.GC$Daemon.run(GC.java:100)
- locked <7f42b20d0> (a sun.misc.GC$LatencyLock)

"AWT-AppKit" daemon prio=5 tid=7fe82f10d000 nid=0x7fff7a5b3960 runnable
[00000000]
   java.lang.Thread.State: RUNNABLE

"Low Memory Detector" daemon prio=5 tid=7fe82f01c800 nid=0x10ca4d000
runnable [00000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread1" daemon prio=9 tid=7fe82f01b800 nid=0x10c94a000 waiting
on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" daemon prio=9 tid=7fe82f01b000 nid=0x10c847000 waiting
on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"Signal Dispatcher" daemon prio=9 tid=7fe82f01a000 nid=0x10c744000 waiting
on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"Surrogate Locker Thread (Concurrent GC)" daemon prio=5 tid=7fe82f019000
nid=0x10c641000 waiting on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"Finalizer" daemon prio=8 tid=7fe82c13f800 nid=0x10c37d000 in Object.wait()
[10c37c000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f42b0400> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <7f42b0400> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:171)

"Reference Handler" daemon prio=10 tid=7fe82c13f000 nid=0x10c27a000 in
Object.wait() [10c279000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <7f42b0090> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <7f42b0090> (a java.lang.ref.Reference$Lock)



On Sun, Feb 16, 2014 at 6:22 AM, Caldarale, Charles R <
Chuck.Caldarale@unisys.com> wrote:

> > From: Tim Leung [mailto:timleung1422@gmail.com]
> > Subject: Unable to shutdown tomcat
>
> > I am unable to shutdown tomcat. When I do ./shutdown.sh, I don't see any
> > error, but the process still seems to be running.
>
> Likely one of your webapps started a thread that is still running,
> preventing the JVM from stopping.  Take a thread dump before attempting to
> shut down and see if there is something unexpected in there.
>
>  - Chuck
>
>
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