Thanks Filip. I am going to ask the vendor.
Filip Hanik - Dev Lists wrote: > > hi Jaspal, the problem seems to be in the com.valleyoak package. > > The main thread is stuck at > > at com.valleyoak.model.Payment.<clinit>(Payment.java:136) > (at > com.valleyoak.util.IVosTableInfo.findColumnTables(IVosTableInfo.java:161)) > - last line > > the cluster thread is stuck at > at java.lang.Class.forName0(Native Method) > > because the main thread is stuck during a <clinit> (this is class init, > happens directly after class loading, to do static initializers), the > cluster thread can't continue. > > what you need to investigate is why > at > com.valleyoak.util.IVosTableInfo.findColumnTables(IVosTableInfo.java:161)) > - last line > > is stuck, but it does look like its a problem with your code. > > Filip > > > > > > > jsandhu2204 wrote: >> HI Filip: >> >> I did three dumps. It is hanging on the same class. Please let me know >> any >> ideas... >> >> We are in production. I have same setup on development and it works. >> However, cluster setup on development is on the same box with apache web >> server in front. >> >> In production there are three servers with hardware load balancer in the >> the >> front. >> >> Thanks >> Jaspal >> >> jsandhu2204 wrote: >> >>> Please see the three stack dumps I did. >>> >>> http://www.nabble.com/file/p21367357/Thread-dump-three-times.txt >>> Thread-dump-three-times.txt >>> >>> >>> Filip Hanik - Dev Lists wrote: >>> >>>> 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. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> --------------------------------------------------------------------- >>>>>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>>>>> For additional commands, e-mail: users-h...@tomcat.apache.org >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>>> For additional commands, e-mail: users-h...@tomcat.apache.org >>>> >>>> >>>> >>>> >>> >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > > -- View this message in context: http://www.nabble.com/Tomcat-6-does-not-start-in-a-cluster.--It-simply-hangs...-Any-Idea..-tp21130862p21421098.html Sent from the Tomcat - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
