Chris,
I was preparing to try out your checking the jvm exit code and noticed (drum
roll) that this morning's failure left a core dump in the tomcat/bin
directory.
Opening it with gdb -c yielded:
This GDB was configured as "x86_64-slackware-linux".
(no debugging symbols found)
Core was generated by
`/usr/local/java/bin/java -Djava.util.logging.config.file=/usr/local/tomcat/conf'.
Program terminated with signal 11, Segmentation fault.
This Tomcat is straight out of the box except for some modifications to
JAVA_OPTS in tomcat/bin/catalina.sh and opening up ports and turning on SSL
in tomcat/conf/server.xml. There is a logging.properties file in
tomcat/conf. How does this line:
`/usr/local/java/bin/java
-Djava.util.logging.config.file=/usr/local/tomcat/conf'
know that it is supposed to use the logging.properties file if that is the
problem? Or, is there some other problem?
Now, this is embarrassing: I just checked the other server and it also has a
core file with the date and time of the last failure in the tomcat/bin
directory. And, it shows a seg fault at exactly the same code.
This might be a winner... we certainly know it killed the java process.
Thanks,
Carl
----- Original Message -----
From: "Christopher Schultz" <ch...@christopherschultz.net>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Friday, February 12, 2010 3:01 PM
Subject: Re: Tomcat dies suddenly
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Carl,
On 2/12/2010 2:42 PM, Carl wrote:
Great ideas (did you see Chris's response with a way of testing the exit
code?)
[snip]
There is no native code in the application (used to do a lot of work in
C and I am familiar with mayhem of buffer overruns, pointer screwups,
etc.)
If you get really desperate, you can also run the jvm inside of strace
and get ready for a huge log file. It's possible that you'll see the jvm
fail on the same function call every time, and you'll get more
information about the problem. strace will show you if a signal
terminated the process, or if some other call killed it (like exec(),
which would sure do a number on your JVM).
- -chris
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