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From Roman Medina <ro...@batmap.com>
Subject "Threads problem" with Apache 1.3.22 + Tomcat 3.3 + Cocoon 1.8.2 on a Solaris x86 2.8 box (with Solaris VM (build Solaris_JDK_1.2.2_05a, native threads, sunwjit))
Date Wed, 16 Jan 2002 17:21:38 GMT

  Hi ppl:

 I'm running Apache 1.3.22 + Tomcat 3.3 + Cocoon 1.8.2 on a Solaris
x86 2.8 box (with Sun JDK 1.2), and I'm in trouble. When I thought all
was working ok I realized that with some applications my Tomcat
crashes!! This happens after receiving several errors (see attached
log). Any help would be greatly appreciated. I'm in a hurry... :-(

-------------------
"Thread-34" (TID:0x8bed968, sys_thread_t:0x8bed8b0, state:CW,
thread_t: t@82, threadID:0xd9560d74, stack_bottom:0xd9561000,
stack_size:0x20000) prio=5

[1] java.lang.Thread.sleep(Native Method)
[2] batmap.map.MapCheckConnection.run(MapCheckConnection.java:24)
-------------------
"Thread-33" (TID:0x8cbf030, sys_thread_t:0x8cbef78, state:CW,
thread_t: t@81, threadID:0xd95b0d74, stack_bottom:0xd95b1000,
stack_size:0x20000) prio=5

[1] java.lang.Thread.sleep(Native Method)
[2] batmap.map.MapCheckConnection.run(MapCheckConnection.java:24)
-------------------
"SeedGenerator Thread" (TID:0x877c258, sys_thread_t:0x877c1a0,
state:CW, thread_t: t@26, threadID:0xd9610d74,
stack_bottom:0xd9611000, stack_size:0x20000) prio=1

[1] java.lang.Object.wait(Object.java:424)
[2] sun.security.provider.SeedGenerator.run(SeedGenerator.java:107)
[3] java.lang.Thread.run(Thread.java:478)
-------------------
"Thread-18" (TID:0x8181940, sys_thread_t:0x8181888, state:MW,
thread_t: t@1, threadID:0x804c058, stack_bottom:0x8048000,
stack_size:0x848000) prio=5

-------------------
"MonitorRunnable" (TID:0x868c0f0, sys_thread_t:0x868c038, state:CW,
thread_t: t@25, threadID:0xd9aa0d74, stack_bottom:0xd9aa1000,
stack_size:0x20000) prio=5

[1]
org.apache.tomcat.util.threads.ThreadPool$MonitorRunnable.run(Unknown
Source)
[2] java.lang.Thread.run(Thread.java:478)
-------------------
"Thread-16" (TID:0x867e328, sys_thread_t:0x867e270, state:R, thread_t:
t@24, threadID:0xd9ae0d74, stack_bottom:0xd9ae1000,
stack_size:0x20000) prio=5

[1] java.net.SocketInputStream.socketRead(Native Method)
[2] java.net.SocketInputStream.read(SocketInputStream.java:85)
[3] org.apache.tomcat.modules.server.Ajp13.readN(Unknown Source)
[4] org.apache.tomcat.modules.server.Ajp13.receive(Unknown Source)
[5] org.apache.tomcat.modules.server.Ajp13.receiveNextRequest(Unknown
Source)
[6]
org.apache.tomcat.modules.server.Ajp13Request.receiveNextRequest(Unknown
Source)
[7]
org.apache.tomcat.modules.server.Ajp13Interceptor.processConnection(Unknown
Source)
[8] org.apache.tomcat.util.net.TcpWorkerThread.runIt(Unknown Source)
[9]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[10] java.lang.Thread.run(Thread.java:478)
-------------------
"Thread-15" (TID:0x86592a0, sys_thread_t:0x86591e8, state:R, thread_t:
t@23, threadID:0xd9b20d74, stack_bottom:0xd9b21000,
stack_size:0x20000) prio=5 *current thread*

[1] com.coolservlets.util.StringUtils.hash(StringUtils.java:224)
[2]
com.coolservlets.forum.database.DbAuthorizationFactory.getAuthorization(DbAuthorizationFactory.java:84)
[3] UserLogin.doGet(UserLogin.java)
[4] javax.servlet.http.HttpServlet.service(HttpServlet.java)
[5] javax.servlet.http.HttpServlet.service(HttpServlet.java)
[6] org.apache.tomcat.facade.ServletHandler.doService(Unknown Source)
[7] org.apache.tomcat.core.Handler.invoke(Unknown Source)
[8] org.apache.tomcat.core.Handler.service(Unknown Source)
[9] org.apache.tomcat.facade.ServletHandler.service(Unknown Source)
[10] org.apache.tomcat.core.ContextManager.internalService(Unknown
Source)
[11] org.apache.tomcat.core.ContextManager.service(Unknown Source)
[12]
org.apache.tomcat.modules.server.Ajp13Interceptor.processConnection(Unknown
Source)
[13] org.apache.tomcat.util.net.TcpWorkerThread.runIt(Unknown Source)
[14]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[15] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-14" (TID:0x868eee8, sys_thread_t:0x868ee30, state:R, thread_t:
t@22, threadID:0xd9b60d74, stack_bottom:0xd9b61000,
stack_size:0x20000) prio=5

[1] java.net.PlainSocketImpl.socketAccept(Native Method)
[2] java.net.PlainSocketImpl.accept(PlainSocketImpl.java:406)
[3] java.net.ServerSocket.implAccept(ServerSocket.java:238)
[4] java.net.ServerSocket.accept(ServerSocket.java:223)
[5] org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket(Unknown
Source)
[6] org.apache.tomcat.util.net.TcpWorkerThread.runIt(Unknown Source)
[7]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[8] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-13" (TID:0x8685840, sys_thread_t:0x8685788, state:CW,
thread_t: t@21, threadID:0xd9ba0d74, stack_bottom:0xd9ba1000,
stack_size:0x20000) prio=5

[1] java.lang.Object.wait(Object.java:424)
[2]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[3] java.lang.Thread.run(Thread.java:479)
-------------------
"MonitorRunnable" (TID:0x8689c98, sys_thread_t:0x8689be0, state:CW,
thread_t: t@20, threadID:0xd9be0d74, stack_bottom:0xd9be1000,
stack_size:0x20000) prio=5

[1]
org.apache.tomcat.util.threads.ThreadPool$MonitorRunnable.run(Unknown
Source)
[2] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-11" (TID:0x868ece0, sys_thread_t:0x868ec28, state:R, thread_t:
t@19, threadID:0xd9c20d74, stack_bottom:0xd9c21000,
stack_size:0x20000) prio=5

[1] java.net.PlainSocketImpl.socketAccept(Native Method)
[2] java.net.PlainSocketImpl.accept(PlainSocketImpl.java:406)
[3] java.net.ServerSocket.implAccept(ServerSocket.java:238)
[4] java.net.ServerSocket.accept(ServerSocket.java:223)
[5] org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket(Unknown
Source)
[6] org.apache.tomcat.util.net.TcpWorkerThread.runIt(Unknown Source)
[7]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[8] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-10" (TID:0x8683ed8, sys_thread_t:0x8683e20, state:CW,
thread_t: t@18, threadID:0xd9c70d74, stack_bottom:0xd9c71000,
stack_size:0x20000) prio=5

[1] java.lang.Object.wait(Object.java:424)
[2]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[3] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-9" (TID:0x86570e8, sys_thread_t:0x8657030, state:CW, thread_t:
t@17, threadID:0xd9cb0d74, stack_bottom:0xd9cb1000,
stack_size:0x20000) prio=5

[1] java.lang.Object.wait(Object.java:424)
[2]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[3] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-8" (TID:0x8698b88, sys_thread_t:0x8698ad0, state:CW, thread_t:
t@16, threadID:0xd9cf0d74, stack_bottom:0xd9cf1000,
stack_size:0x20000) prio=5

[1] java.lang.Object.wait(Object.java:424)
[2]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[3] java.lang.Thread.run(Thread.java:479)
-------------------
"MonitorRunnable" (TID:0x8681128, sys_thread_t:0x8681070, state:CW,
thread_t: t@15, threadID:0xd9d30d74, stack_bottom:0xd9d31000,
stack_size:0x20000) prio=5

[1]
org.apache.tomcat.util.threads.ThreadPool$MonitorRunnable.run(Unknown
Source)
[2] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-6" (TID:0x865a4f0, sys_thread_t:0x865a438, state:R, thread_t:
t@14, threadID:0xd9d70d74, stack_bottom:0xd9d71000,
stack_size:0x20000) prio=5

[1] java.net.PlainSocketImpl.socketAccept(Native Method)
[2] java.net.PlainSocketImpl.accept(PlainSocketImpl.java:406)
[3] java.net.ServerSocket.implAccept(ServerSocket.java:238)
[4] java.net.ServerSocket.accept(ServerSocket.java:223)
[5] org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket(Unknown
Source)
[6] org.apache.tomcat.util.net.TcpWorkerThread.runIt(Unknown Source)
[7]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[8] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-5" (TID:0x867da58, sys_thread_t:0x867d9a0, state:CW, thread_t:
t@13, threadID:0xd9db0d74, stack_bottom:0xd9db1000,
stack_size:0x20000) prio=5

[1] java.lang.Object.wait(Object.java:424)
[2]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[3] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-4" (TID:0x86725c0, sys_thread_t:0x8672508, state:CW, thread_t:
t@12, threadID:0xd9e00d74, stack_bottom:0xd9e01000,
stack_size:0x20000) prio=5

[1] java.lang.Object.wait(Object.java:424)
[2]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[3] java.lang.Thread.run(Thread.java:479)
-------------------
"Thread-3" (TID:0x8677dc0, sys_thread_t:0x8677d08, state:CW, thread_t:
t@11, threadID:0xd9e30d74, stack_bottom:0xd9e31000,
stack_size:0x20000) prio=5

[1] java.lang.Object.wait(Object.java:424)
[2]
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown
Source)
[3] java.lang.Thread.run(Thread.java:479)
-------------------
"Expirer" (TID:0x866ce28, sys_thread_t:0x866cd70, state:CW, thread_t:
t@10, threadID:0xd9e90d74, stack_bottom:0xd9e91000,
stack_size:0x20000) prio=5

[1] java.lang.Thread.sleep(Native Method)
[2] org.apache.tomcat.util.threads.Reaper.run(Unknown Source)
-------------------
"QueueLogDaemon" (TID:0x841ad28, sys_thread_t:0x841ac70, state:CW,
thread_t: t@9, threadID:0xdeb60d74, stack_bottom:0xdeb61000,
stack_size:0x20000) prio=5

[1] java.lang.Object.wait(Object.java:424)
[2] org.apache.tomcat.util.collections.Queue.pull(Unknown Source)
[3] org.apache.tomcat.util.qlog.LogDaemon.run(Unknown Source)
[4] java.lang.Thread.run(Thread.java:479)
-------------------

Exiting Thread (sys_thread_t:0xdfb7d294) : no stack

Exiting Thread (sys_thread_t:0x83f4978) : no stack
"Finalizer" (TID:0x816faa8, sys_thread_t:0x816f9f0, state:CW,
thread_t: t@6, threadID:0xdf660d74, stack_bottom:0xdf661000,
stack_size:0x20000) prio=8

[1] java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:146)
[2] java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:168)
[3]
java.lang.ref.Finalizer$FinalizerWorker$FinalizerThread.run(Finalizer.java:124)
-------------------
"Reference Handler" (TID:0x816d288, sys_thread_t:0x816d1d0, state:CW,
thread_t: t@5, threadID:0xdf690d74, stack_bottom:0xdf691000,
stack_size:0x20000) prio=10

[1] java.lang.Object.wait(Object.java:424)
[2] java.lang.ref.Reference$ReferenceHandler.run(Reference.java:130)
-------------------
"Signal dispatcher" (TID:0x814f970, sys_thread_t:0x814f8b8, state:MW,
thread_t: t@4, threadID:0xdf6d0d74, stack_bottom:0xdf6d1000,
stack_size:0x20000) prio=10

-------------------

--
Román Medina-Heigl Hernández
Sysadmin & Security Officer
@ BatMap S.A.

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