Hi Paul,
Comments inline!
On 9/5/14, 8:01 AM, Paul Pathiakis wrote:
>
> During 1.12, the maven http downloads crashed numerous times and I had
> to restart the compile.pl process at least 5 times before it
> completed. No such thing occurred with 1.13. It went straight
> through both the compile.pl and the assemble.pl without issue.
>
This is due to some cleanup that we did a few months ago in the Maven
POM files. It was fairly major so it wasn't backported to 1.12. It is
much nicer to have the build complete on the first try! :)
> Sadly, the runtime was extremely similar. Now, it just crashes
> quicker, less than 1 hour.
>
> # Problematic frame:
> # J 20342 C1 java.net.Inet4Address.<init>()V (29 bytes) @
> 0x0000000807520860 [0x0000000807520820+0x40]
I don't know much about analyzing core dumps from Java but any crash
inside Inet4Address is likely a bug in the JVM itself. This is a pretty
low-level class.
I googled "sigsegv java debugger" and found a few hits for capturing
more information inside a debugger. If you run OpenNMS in debug mode and
attach a debugger to it, you might be able to figure out exactly where
the code is that is triggering the crash. It might be in a part of
OpenNMS that you could disable, thereby avoiding the crash in the JVM.
http://stackoverflow.com/questions/7250631/how-do-i-debug-segfaults-occuring-in-the-jvm-when-it-runs-my-code
http://www.oracle.com/technetwork/java/javase/crashes-137240.html
Also, if the bug is in our jicmp code, you may be able to use the
"-Xcheck:jni" argument to log additional problems with it.
http://www.oracle.com/technetwork/java/javase/clopts-139448.html#gbmtq
That's about all I can come up with!
-- Seth
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