Daniel - There is a bug with RH9 glibc, see thread "tomcat jitters, then hangs - pleas help" for solutions.
"A bug in pthread_cond_wait() which could cause programs hangs in some cases" https://rhn.redhat.com/errata/RHBA-2003-136.html Euan -----Original Message----- From: Daniel Gibby [mailto:[EMAIL PROTECTED] Sent: 23 October 2003 21:24 To: Tomcat Users List Subject: Re: IBM JRE 1.4.1 dumping core on login with http/1.0 browsers 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 >>> >>> >>>--------------------------------------------------------------------- >>>To unsubscribe, e-mail: [EMAIL PROTECTED] >>>For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >> >> >>--------------------------------------------------------------------- >>To unsubscribe, e-mail: [EMAIL PROTECTED] >>For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
