So what shoud I do to avoid DUMP problem, if I want to use jdk1.1*
compatible JVM in the Linux ?

Thanks.


>It means the java vm crashed.  Inspecting the dump it crashed when closing
a
>socket, a known problem whith rc3 that has already been fixed in the
current
>devel version and will be in the next official release.
>
>[EMAIL PROTECTED] wrote:
>
>> I use JDK1.2.2RC3 in Linux to run JServ. I met dump probem
>> in the error log filr.
>>
>> error_log file has msg:
>> "Full thread dump Classic VM (Linux_JDK_RC3,native threads):"
>> "Monitor Cache Dump:"
>> "Registered Monitor  Dump:"
>>
>> Detail is followed.
>>
>> Please ask what is dump ?
>> How can I resolve this problem ?
>> How can I do to increase JDK's stability?
>>
>> Thanks.
>>
>> "mod_jserv.log"
>> ----------------------
>> [11/01/2000 07:18:23:659] (INFO) jserv_watchdog:(16187)
watchdog_cleanup()
>> [11/01/2000 07:18:23:660] (INFO) Apache Module was cleaned-up
>> [11/01/2000 07:18:23:663] (INFO) Wrapper: Shutting down JServ (PID=16188)
>> (sig 15)
>> [11/01/2000 07:18:23:663] (INFO) wrapper: Terminating JServ (PID=16188,
VM
>> PID=16199)
>> [11/01/2000 07:18:23:663] (INFO) ajp12: sending shutdown signal
>> [11/01/2000 07:18:34:178] (INFO) jserv_watchdog:(16502)
watchdog_cleanup()
>> [11/01/2000 07:18:34:178] (INFO) Apache Module was cleaned-up
>> [11/01/2000 07:18:37:722] (INFO) wrapper classpath:
>> /usr/lib/apache/ApacheJServ.jar:/home/httpd/classes/servlet-2.0.jar
>> [11/01/2000 07:18:37:723] (INFO) wrapper: Java VM spawned (PID=16514,
>> PPID=16503)
>> [11/01/2000 07:18:47:729] (INFO) wrapper: watching processes
>> (PID=16503,PPID=16502,JVM PID=16514)
>> [11/01/2000 07:22:01:039] (INFO) jserv_watchdog:(16502)
watchdog_cleanup()
>> [11/01/2000 07:22:01:040] (INFO) Apache Module was cleaned-up
>> [11/01/2000 07:22:01:043] (INFO) Wrapper: Shutting down JServ (PID=16503)
>> (sig 15)
>> [11/01/2000 07:22:01:043] (INFO) wrapper: Terminating JServ (PID=16503,
VM
>> PID=16514)
>> [11/01/2000 07:22:01:043] (INFO) ajp12: sending shutdown signal
>> [11/01/2000 07:22:16:713] (INFO) jserv_watchdog:(16631)
watchdog_cleanup()
>> [11/01/2000 07:22:16:714] (INFO) Apache Module was cleaned-up
>> [11/01/2000 07:22:20:252] (INFO) wrapper classpath:
>> /usr/lib/apache/ApacheJServ.jar:/home/httpd/classes/servlet-2.0.jar
>> [11/01/2000 07:22:20:253] (INFO) wrapper: Java VM spawned (PID=16643,
>> PPID=16632)
>> [11/01/2000 07:22:30:259] (INFO) wrapper: watching processes
>> (PID=16632,PPID=16631,JVM PID=16643)
>>
>> "error_log"
>> ----------------
>> Full thread dump Classic VM (Linux_JDK_RC3, native threads):
>>     "Thread-76" (TID:0x40e851c0, sys_thread_t:0x8272360, state:R, native
>> ID:0x14007) prio=5
>> at java.net.PlainSocketImpl.socketClose(Native Method)
>> at java.net.PlainSocketImpl.close(PlainSocketImpl.java, Compiled Code)
>> at java.net.ServerSocket.close(ServerSocket.java, Compiled Code)
>> at org.apache.jserv.JServ.clear(JServ.java, Compiled Code)
>> at org.apache.jserv.JServ.terminate(JServ.java, Compiled Code)
>> at org.apache.jserv.JServConnection.readData(JServConnection.java,
Compiled
>> Code)
>> at org.apache.jserv.JServConnection.run(JServConnection.java, Compiled
>> Code)
>> at java.lang.Thread.run(Thread.java, Compiled Code)
>>     "Thread-1" (TID:0x40e7aef0, sys_thread_t:0x82d3248, state:CW, native
>> ID:0x1406) prio=5
>> at java.lang.Thread.sleep(Native Method)
>> at org.apache.jserv.JServServletManager.run(JServServletManager.java,
>> Compiled Code)
>> at java.lang.Thread.run(Thread.java, Compiled Code)
>>     "Thread-0" (TID:0x40e84000, sys_thread_t:0x81e6900, state:CW, native
>> ID:0x1005) prio=1
>> at java.lang.Object.wait(Native Method)
>> at java.lang.Object.wait(Object.java, Compiled Code)
>> at org.apache.java.util.SimpleQueue.waitObject(SimpleQueue.java, Compiled
>> Code)
>> at org.apache.java.io.LogWriter$Agent.run(LogWriter.java, Compiled Code)
>>     "Finalizer" (TID:0x40e66320, sys_thread_t:0x80d07b0, state:CW, native
>> ID:0xc04) prio=8
>> at java.lang.Object.wait(Native Method)
>> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java, Compiled
Code)
>> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java, Compiled
Code)
>> at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java, Compiled
>> Code)
>>     "Reference Handler" (TID:0x40e663b0, sys_thread_t:0x80ca440,
state:CW,
>> native ID:0x803) prio=10
>> at java.lang.Object.wait(Native Method)
>> at java.lang.Object.wait(Object.java, Compiled Code)
>> at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:114)
>>     "SIGQUIT handler" (TID:0x40e663e0, sys_thread_t:0x80cfc90, state:R,
>> native ID:0x402) prio=5
>>     "main" (TID:0x40e661e0, sys_thread_t:0x80531d0, state:R, native
>> ID:0x400) prio=5
>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java, Compiled Code)
>> at java.net.ServerSocket.implAccept(ServerSocket.java, Compiled Code)
>> at java.net.ServerSocket.accept(ServerSocket.java, Compiled Code)
>> at
>>
org.apache.java.net.AuthenticatedServerSocket.accept(AuthenticatedServerSock
>> et.java, Compiled Code)
>> at org.apache.jserv.JServ.main(JServ.java, Compiled Code)
>> Monitor Cache Dump:
>>     java.lang.ref.Reference$Lock@40E663C0/40E9B8A8: <unowned>
>> Waiting to be notified:
>>      "Reference Handler" (0x80ca440)
>>     java.lang.ref.ReferenceQueue$Lock@40E66338/40E9BD78: <unowned>
>> Waiting to be notified:
>>      "Finalizer" (0x80d07b0)
>>     org.apache.java.util.SimpleQueue@40E7A6F0/40F28978: <unowned>
>> Waiting to be notified:
>>      "Thread-0" (0x81e6900)
>>     java.lang.Class@40E72618/40ECE498: owner "Thread-76" (0x8272360) 1
entry
>>     java.net.PlainSocketImpl@40E852D8/40EF77E8: owner "main" (0x80531d0)
1
>> entry
>> Registered Monitor Dump:
>>     PCMap lock: <unowned>
>>     utf8 hash table: <unowned>
>>     JNI pinning lock: <unowned>
>>     JNI global reference lock: <unowned>
>>     BinClass lock: <unowned>
>>     Class linking lock: <unowned>
>>     System class loader lock: <unowned>
>>     Code rewrite lock: <unowned>
>>     Heap lock: <unowned>
>>     Monitor cache lock: owner "main" (0x80531d0) 1 entry
>>     Thread queue lock: owner "main" (0x80531d0) 1 entry
>>     Monitor registry: owner "main" (0x80531d0) 1 entry
>>
>> JackWang
>>
>> >[EMAIL PROTECTED] wrote:
>> >>
>> >> Hi,all,
>> >>
>> >> I always met the "Internal Server Error".
>> >>
>> >> I preused the FAQ, but did not find the similar
>> >> configuration problem, so I put here.
>> >>
>> >> I configure a servlet enging in the following
>> >> environment:
>> >> 1.  RedHat release 6.0(HedWig)
>> >>     kernel 2.2.10        (on an i686, should be i386 ?)
>> >> 2.  Apache1.3.9
>> >> 3.  ApacheJServ-1.1b2
>> >> 4.  jsdk2.0
>> >> 5.  BLACKDOWN jdk1.2.2-RC3
>> >> 6.  glibc-2.1.2-11       (has been upgraded)
>> >> 7.  glibc-devel-2.1.1-*  (not upgraded, will be used ? )
>> >> 8.  Perl5.005
>> >>
>> >> I have ever successfully browse all the pages linked to
>> >> the url:
>> >> http://202.103.147.202/jserv/
>> >> and
>> >> http://202.103.147.202/servlets/IsItWorking
>> >>
>> >> but when I refresh
>> >> http://202.103.147.202/jserv/engine/0/
>> >> for 3 to 5 times,
>> >>
>> >> or
>> >> later browse
>> >> http://202.103.147.202/servlets/IsItWorking
>> >>
>> >> I always met the "Internal Server Error".
>> >>
>> >> I have the problem for many days, I am urgent,
>> >> wait for someone's help.
>> >>
>> >> I don't know if I can use the atachments, so I
>> >> paste part contents in the 3 log files in this
>> >> mail, if you think this is annoying, I will say
>> >> sorry.
>> >>
>> >> Please help me, if you need the 6 configuration
>> >> files for Apache and JServ, please tell me, I will
>> >> send to your separately.
>> >>
>> >> Thanks in advance.
>> >Hi,
>> >as you are running automatic mode, use ApJServDefaultHost  127.0.0.1
>> >instead of external IP, and let us know.
>>
>> >some of the problems address already in use, means that one server is
>> >started and not stopped. kill all the java processes before trying
>> >again.
>> >Jean-Luc
>>
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