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From Daniel Gibby <dgi...@resumerabbit.com>
Subject Re: IBM JRE 1.4.1 dumping core on login with http/1.0 browsers
Date Thu, 23 Oct 2003 20:24:26 GMT
RedHat 9
2.4.20-20.9smp

Daniel

Oscar Carrillo wrote:

>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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>>
>>    
>>
>
>
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>  
>



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