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I upgraded from JDK 1.2 to JDK 1.3 and that seems to have fixed the
problem.
Thanks to all who helped!
Brevsville Administrator wrote:
>
> ----------------------------------------------------------------
> BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> WHEN YOU POST, include all relevant version numbers, log files,
> and configuration files. Don't make us guess your problem!!!
> ----------------------------------------------------------------
>
> Matthew
>
> Maybe the reason noone has responded is since there has been quite a bit
> of discussion on the seg violation issue on this and many other lists.
>
> The general view is that these are generally hardware related and as such
> are not a software issue.
>
> My first move is usually to change the RAM on the machine behaving this
> way. The other major cause I found was on PC's running Linux on
> overclocked CPU's or overheating CPU's.
>
> Have you tried this servlet on another machine? Does it behave the same?
>
> What JVM are you running?
>
> Chris
>
> On Fri, 03 Nov 2000 13:00:39 -0600, Matthew Mello wrote:
>
> >----------------------------------------------------------------
> >BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> >WHEN YOU POST, include all relevant version numbers, log files,
> >and configuration files. Don't make us guess your problem!!!
> >----------------------------------------------------------------
> >
> >Okay, I'll try this again. You guys are my only hope.
> >
> >It appears that the class loader or JVM is crashing on me with a
> >segmentation violation. This sounds like a MAJOR bug in the JVM.
> >However, I have found no references to anything like it anywhere in the
> >newsgroups. Does anyone have any information on a bug that would
> >produce the error listed below?
> >
> >Thanks!
> >
> >
> >Matthew Mello wrote:
> >>
> >> ----------------------------------------------------------------
> >> BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> >> WHEN YOU POST, include all relevant version numbers, log files,
> >> and configuration files. Don't make us guess your problem!!!
> >> ----------------------------------------------------------------
> >>
> >> I am using Apache JServ 1.1 on Apache 1.3.9 for Spark Solaris 2.6, with
> >> my jar in the <javainstall>/jre/lib/ext directory (which seems to work
> >> fine, or did until today).
> >>
> >> I'm not sure which list I should post this question on. Please tell me
> >> if you know.
> >>
> >> We are moving our product closer to the production environment, and
> >> since we will have lots of traffic, I opened up the system to multiple
> >> threads (quit using SingleThreadModel for servlets).
> >>
> >> Anyway, now that I have a couple of daemon threads going, I'm getting
> >> this segmentation fault when the system is supposed to be loading a
> >> class [Class.forName("whatever")]. Any idea where this would come from
> >> or how to debug it?
> >>
> >> Thanks for any help anyone can offer or for redirection!
> >>
> >> - Matt
> >>
> >> SIGSEGV 11* segmentation violation
> >> si_signo [11]: SIGSEGV 11* segmentation violation
> >> si_errno [0]: Error 0
> >> si_code [1]: SEGV_MAPERR [addr: 0x4c8b308]
> >>
> >> stackpointer=EB27EE90
> >> "Thread-30" (TID:0x7e9aa4, sys_thread_t:0x7e99e8, state:R, thread_t:
> >> t@38, threadID:0xeb280dd8, stack_bottom:0xeb281000, stack_size:0x20000)
> >> prio=5 *current thread*
> >>
> >> [1] java.lang.Class.forName0(Native Method)
> >> [2] java.lang.Class.forName(Class.java:125)
> >> [3]
> >> net.paymate.connection.ActionRequest.fromProperties(ActionRequest.java:91)
> >> [4]
> >> net.paymate.connection.ConnectionServer.ReplyTo(ConnectionServer.java:324)
> >> [5] net.paymate.web.UserSession.ReplyTo(UserSession.java:158)
> >> [6] net.paymate.servlet.TxnServlet.doPost(TxnServlet.java:68)
> >> [7] javax.servlet.http.HttpServlet.service(HttpServlet.java:521)
> >> [8]
> >> net.paymate.servlet.SessionedServlet.service(SessionedServlet.java:104)
> >> [9] javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
> >> [10]
> >> org.apache.jserv.JServConnection.processRequest(JServConnection.java:314)
> >> [11] org.apache.jserv.JServConnection.run(JServConnection.java:170)
> >> [12] java.lang.Thread.run(Thread.java:484)
> >> -------------------
> >>
> >> Exiting Thread (sys_thread_t:0xef761df0) : no stack
> >> "Session Cleaner" (TID:0x41b944, sys_thread_t:0x41b888, state:CW,
> >> thread_t: t@10, threadID:0xeb0b0dd8, stack_bottom:0xeb0b1000,
> >> stack_size:0x20000) prio=5
> >>
> >> [1] java.lang.Thread.sleep(Native Method)
> >> [2] net.paymate.servlet.CleanerThread.run(SessionCleaner.java:105)
> >> -------------------
> >> "Thread-2" (TID:0x33d9c4, sys_thread_t:0x33d908, state:CW, thread_t:
> >> t@8, threadID:0xeb2b0dd8, stack_bottom:0xeb2b1000, stack_size:0x20000)
> >> prio=5
> >>
> >> [1] java.lang.Thread.sleep(Native Method)
> >> [2]
> >> org.apache.jserv.JServServletManager.run(JServServletManager.java:998)
> >> [3] java.lang.Thread.run(Thread.java:485)
> >> -------------------
> >> "Thread-1" (TID:0x339d3c, sys_thread_t:0x339c80, state:CW, thread_t:
> >> t@7, threadID:0xee6b0dd8, stack_bottom:0xee6b1000, stack_size:0x20000)
> >> prio=1
> >>
> >> [1] java.lang.Object.wait(Object.java:424)
> >> [2] org.apache.java.util.SimpleQueue.waitObject(SimpleQueue.java:116)
> >> [3] org.apache.java.io.LogWriter$Agent.run(LogWriter.java:427)
> >> -------------------
> >> "Finalizer" (TID:0x149e04, sys_thread_t:0x149d48, state:CW, thread_t:
> >> t@6, threadID:0xee820dd8, stack_bottom:0xee821000, stack_size:0x20000)
> >> prio=8
> >>
> >> [1] java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:106)
> >> [2] java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:128)
> >> [3] java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:175)
> >> -------------------
> >> "Reference Handler" (TID:0x14668c, sys_thread_t:0x1465d0, state:CW,
> >> thread_t: t@5, threadID:0xee850dd8, stack_bottom:0xee851000,
> >> stack_size:0x20000) prio=10
> >>
> >> [1] java.lang.Object.wait(Object.java:424)
> >> [2] java.lang.ref.Reference$ReferenceHandler.run(Reference.java:107)
> >> -------------------
> >> "Signal dispatcher" (TID:0x126dac, sys_thread_t:0x126cf0, state:MW,
> >> thread_t: t@4, threadID:0xee890dd8, stack_bottom:0xee891000,
> >> stack_size:0x20000) prio=10
> >>
> >> -------------------
> >> "main" (TID:0x38564, sys_thread_t:0x384a8, state:R, thread_t: t@1,
> >> threadID:0x25130, stack_bottom:0xf0000000, 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:237)
> >> [4] java.net.ServerSocket.accept(ServerSocket.java:223)
> >> [5]
> >>
>org.apache.java.net.AuthenticatedServerSocket.accept(AuthenticatedServerSocket.java:160)
> >> [6] org.apache.jserv.JServ.main(JServ.java:127)
> >> -------------------
> >> [Mon Oct 30 18:04:00 2000] [error] [client 24.167.70.105] Premature end
> >> of script headers: /servlets/txn
> >>
> >> --
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> >
> >--
> >Matt Mello
> >Home: 512-266-7081
> >Cell: 512-350-6900
> >
> >
> >--
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Matt Mello
Home: 512-266-7081
Cell: 512-350-6900
--
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