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From Oscar Carrillo <tom...@daydream.stanford.edu>
Subject Re: IBM JRE 1.4.1 dumping core on login with http/1.0 browsers
Date Thu, 23 Oct 2003 19:05:03 GMT
Hmmm, I was under the impression this wasn't a problem anymore.

Daniel, what RH and kernel are you running?

Oscar

On Thu, 23 
Oct 2003, Daniel Gibby wrote:

> Search for Java IBM LD_ASSUME_KERNEL in google. That may be your problem.
> 
> Then set an environment variable in your apache and tomcat startup scripts:
> export LD_ASSUME_KERNEL=2.2.5
> 
> I hope that helps. It seems to have solved my crashes.
> 
> Daniel Gibby
> 
> George Payne wrote:
> 
> > I'm having problems with the IBM 1.4.1 jvm dumping core every few days 
> > under fairly light use with tomcat 4.1.27.
> >
> > I'm looking for general advice (though specific advice would be even 
> > better).
> >
> > Should I be looking for a new JVM?  Or my programming bug or misconfig?
> >
> > This problem appears to be directly or indirectly related to the use 
> > of old browsers.  Each time it has happened (twice now), the logs 
> > (below) show that it was being accessed via http/1.0, which is fairly 
> > rare in the log files.  It occurs right after or right before 
> > authentication.
> >
> > More info:
> >
> > RH 8, 2.4.20-20.8smp
> > apache 2.0/mod_ssl
> > mod_jk
> >
> > **** 15/03 ssl_access_log snippet:
> > 128.104.50.121 - - [15/Oct/2003:23:16:14 -0400] "GET / HTTP/1.0" 200 268
> >
> > 128.104.50.121 - - [15/Oct/2003:23:16:18 -0400] "GET 
> > /apptrack/s/myappinfo.jsp HTTP/1.0" 302 0
> > 128.104.50.121 - - [15/Oct/2003:23:16:20 -0400] "GET 
> > /apptrack/login.jsp;jsessionid=D82BFF7D0F918CDB106C1A072EC2AB3D 
> > HTTP/1.0" 200 4
> > 085
> > 128.104.50.121 - - [15/Oct/2003:23:16:22 -0400] "GET 
> > /apptrack/images/applicanttracking_r2_c1.gif HTTP/1.0" 200 9669
> > 128.104.50.121 - - [15/Oct/2003:23:16:22 -0400] "GET 
> > /apptrack/images/applicanttracking_leftimg.jpg HTTP/1.0" 200 13065
> > (***CRASH***)
> > 128.104.50.121 - - [15/Oct/2003:23:16:42 -0400] "POST 
> > /apptrack/j_security_check HTTP/1.0" 500 1085
> > 128.104.50.121 - - [15/Oct/2003:23:16:55 -0400] "GET 
> > /apptrack/login.jsp;jsessionid=D82BFF7D0F918CDB106C1A072EC2AB3D 
> > HTTP/1.0" 500 1
> > 085
> >
> > **** 22/03 ssl_access_log snippet:
> > 149.199.60.202 - - [22/Oct/2003:18:28:27 -0400] "GET / HTTP/1.0" 200 268
> > 149.199.60.202 - - [22/Oct/2003:18:28:28 -0400] "GET 
> > /apptrack/s/myappinfo.jsp HTTP/1.0" 302 0
> > 149.199.60.202 - - [22/Oct/2003:18:28:28 -0400] "GET 
> > /apptrack/login.jsp;jsessionid=E7F6276FD5958C2D224B0C182A47EB1F 
> > HTTP/1.0" 200 4
> > 085
> > 149.199.60.203 - - [22/Oct/2003:18:28:29 -0400] "GET 
> > /apptrack/images/applicanttracking_leftimg.jpg HTTP/1.0" 304 0
> > 149.199.60.202 - - [22/Oct/2003:18:28:30 -0400] "GET 
> > /apptrack/images/applicanttracking_r2_c1.gif HTTP/1.0" 304 0
> > 149.199.60.203 - - [22/Oct/2003:18:28:45 -0400] "POST 
> > /apptrack/j_security_check HTTP/1.0" 302 0
> > (***CRASH***)
> > 149.199.60.203 - - [22/Oct/2003:18:28:45 -0400] "GET 
> > /apptrack/s/myappinfo.jsp HTTP/1.0" 500 1085
> > 149.199.60.203 - - [22/Oct/2003:18:28:50 -0400] "GET 
> > /apptrack/login.jsp;jsessionid=E7F6276FD5958C2D224B0C182A47EB1F 
> > HTTP/1.0" 500 1
> > 085
> >
> > ********Sections of core dump file*************
> > NULL 
> > ------------------------------------------------------------------------
> > 0SECTION       TITLE subcomponent dump routine
> > NULL           ===============================
> > 1TISIGINFO     signal 11 received
> > 1TIDATETIME    Date:                 2003/10/22 at 18:28:45
> > 1TIFILENAME    Javacore filename:    
> > /home/tomcat/javacore.20031022.182845.3741.txt
> > NULL 
> > ------------------------------------------------------------------------
> > 0SECTION       XHPI subcomponent dump routine
> > NULL           ==============================
> > 1HPTIME        Wed Oct 22 18:28:45 2003
> > 1HPSIGRECV     SIGSEGV received in ?? at 0x41c55e85 in 
> > /opt/IBMJava2-141/jre/bin/libjitc.so. Processing terminated.
> > 1HPFULLVERSION J2RE 1.4.1 IBM build cxia32141-20030522
> > NULL
> > 1HPOPENV       Operating Environment
> > NULL           ---------------------
> > 2HPHOSTNAME    Host             : law5.(none)
> > 2HPOSLEVEL     OS Level         : 2.4.20-20.8smp.#1 SMP Mon Aug 18 
> > 14:39:22 EDT 2003
> > 2HPLIBCVER     glibc Version    : 2.3.2
> > 2HPCPUS        Processors -
> > 3HPARCH          Architecture     : (not implemented)
> > 3HPNUMCPUS       How Many         : (not implemented)
> > 3HPCPUSENABLED   Enabled          : 4
> >
> > **snip **
> >
> > 1XMEXCPINFO    Exception Info
> > NULL           --------------
> > 2XMEXCPINFO    JVM Exception 0x2 (subcode 0x0) occurred in thread 
> > "Ajp13Processor[8009][7]" (TID:0x10068790)
> > NULL
> > 2XMNATIVESTACK Native stack at exception generation:
> > 3XMSTACKINFO   Program Name                                 Entry 
> > Name                       Statement ID
> > 3XMSTACKINFO
> > NULL
> > NULL
> > NULL
> > 1XMTHDINFO     Thread Info
> > NULL           -----------
> > NULL
> > 2XMFULLTHDDUMP Full thread dump Classic VM (J2RE 1.4.1 IBM build 
> > cxia32141-20030522, native threads):
> > 3XMTHREADINFO      "Ajp13Processor[8009][13]" (TID:0x10068490, 
> > sys_thread_t:0x891A140, state:R, native ID:0x7801F) prio=5
> > 4XESTACKTRACE          at 
> > java.net.SocketInputStream.socketRead0(Native Method)
> > 4XESTACKTRACE          at 
> > java.net.SocketInputStream.read(SocketInputStream.java(Compiled Code))
> > 4XESTACKTRACE          at 
> > org.apache.ajp.Ajp13.readN(Ajp13.java(Compiled Code))
> > 4XESTACKTRACE          at 
> > org.apache.ajp.Ajp13.receive(Ajp13.java(Compiled Code))
> > 4XESTACKTRACE          at 
> > org.apache.ajp.Ajp13.receiveNextRequest(Ajp13.java:274)
> > 4XESTACKTRACE          at 
> > org.apache.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:396)
> > 4XESTACKTRACE          at 
> > org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:585)
> > 4XESTACKTRACE          at java.lang.Thread.run(Thread.java:568)
> >
> >
> > George Payne
> > Law ITC
> > University of Virginia School of Law
> >
> >
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> 
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