Could you take more than one thread dump, take 3, wait 5 seconds between
each.
As you can see, the startup thread is still executing your application
code com.valleyoak.util.IVosTableInfo, this is the thread that starts up
tomcat
Filip
main thread - the one starting tomcat
"main" prio=6 tid=0x0000000001dc1c00 nid=0x15cc in Object.wait()
[0x0000000001f4d000..0x0000000001f4fc70]
java.lang.Thread.State: RUNNABLE
at com.valleyoak.util.IVosTableInfo.findColumnTables(IVosTableInfo.java:161)
at com.valleyoak.db.IVosStorable.findColumnTables(IVosStorable.java:1245)
at com.valleyoak.model.Payment.<clinit>(Payment.java:136)
at
com.valleyoak.model.ContextListener.contextInitialized(ContextListener.java:107)
at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4342)
- locked <0x0000000041f4f390> (a org.apache.catalina.core.StandardContext)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
- locked <0x0000000041eef8b8> (a java.util.HashMap)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at
org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926)
at
org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
One of the cluster threads have received the session state data from the
other node and is deserializing it
"pool-2-thread-1" prio=6 tid=0x0000000001dc5c00 nid=0xf00 in
Object.wait() [0x00000000777c000..0x000000000777fae0]
java.lang.Thread.State: RUNNABLE
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at com.valleyoak.util.IVosTableInfo.class$(IVosTableInfo.java:504)
at com.valleyoak.util.IVosTableInfo.loadTables(IVosTableInfo.java:522)
at com.valleyoak.util.IVosTableInfo.<clinit>(IVosTableInfo.java:53)
at com.valleyoak.db.IVosStorable.findColumnTables(IVosStorable.java:1245)
at com.valleyoak.model.User.<clinit>(User.java:71)
at java.io.ObjectStreamClass.hasStaticInitializer(Native Method)
at java.io.ObjectStreamClass.computeDefaultSUID(ObjectStreamClass.java:1696)
at java.io.ObjectStreamClass.access$100(ObjectStreamClass.java:52)
at java.io.ObjectStreamClass$1.run(ObjectStreamClass.java:205)
at java.security.AccessController.doPrivileged(Native Method)
at java.io.ObjectStreamClass.getSerialVersionUID(ObjectStreamClass.java:202)
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:558)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1583)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
jsandhu2204 wrote:
I have created stack trace when servers hangs. Please see attached. I would
appreciate if you can help me with this.
If I put <distributable/> flag in the web.xml of the application. Tomcat6
does not start sometimes. It simply hangs.
http://www.nabble.com/file/p21347289/CheatSheet-ltr1vs02-Tomcat6-hangs-if-put-distributeable-tag.rtf
CheatSheet-ltr1vs02-Tomcat6-hangs-if-put-distributeable-tag.rtf
http://www.nabble.com/file/p21347289/CheatSheet-Tomcat6-hangs-if-put-distributeable-tag.rtf
CheatSheet-Tomcat6-hangs-if-put-distributeable-tag.rtf
Filip Hanik - Dev Lists wrote:
When this happens, simply take a thread dump, and we can see why it is
hanging
Unix:
kill -3 <pid>
jstack -l <pid>
Windows
Ctrl+Break in the console
jstack -l <pid>
Filip
jsandhu2204 wrote:
Problem1 : While starting tomcat6, sometimes it starts other times it
simply
hangs on the following message:
INFO: Manager [localhost#/ivos]; session state send at 12/12/08 12:34 AM
received in 110 ms.
Tomcat Log:
INFO: Register manager /ivos to cluster element Engine with name Catalina
Dec 12, 2008 12:34:53 AM org.apache.catalina.ha.session.DeltaManager
start
INFO: Starting clustering manager at /ivos Dec 12, 2008 12:34:53 AM
org.apache.catalina.ha.session.DeltaManager getAllClusterSessions
WARNING: Manager [localhost#/ivos], requesting session state from
org.apache.catalina.tribes.membership.MemberImpl[tcp://{10, 88, 8,
28}:4002,{10, 88, 8, 28},4002, alive=123501,id={27 -68 111 -64 -49 -117
68
38 -98 -27 -49 39 -22 6 -88 -38 }, payload={}, command={}, domain={}, ].
This operation will timeout if no session state has been received within
60
seconds.
Dec 12, 2008 12:34:53 AM org.apache.catalina.ha.session.DeltaManager
waitForSendAllSessions
INFO: Manager [localhost#/ivos]; session state send at 12/12/08 12:34 AM
received in 110 ms.
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