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From "Roberts, Eric" <>
Subject Apache-Tomcat-HPUX Problems
Date Mon, 10 Feb 2003 14:49:26 GMT

Does anybody on the list run under HPUX?

We are running: 

HP-UX B.11.00 U 9000/800 (tb)
Tomcat 4.1.18
Apache 1.3.24
Oracle 8.1.7

Tomcat and Apache communicate via mod_jk.

We use DBCP to provide a global Db connection pool.

Everything works fine.

We are running Apache only because we wish to use it for loadbalancing to multiple Tomcat

Here is the problem:

At first we tried installing Apache 2.0.44 - but we got compiler warnings and when we try
to start it we get core dumps. We can build and run Apache 1.3.24.

The was compiled from the Tomcat 3.3.1a source, as this had some specific HPUX build

As I say, in normal operation, everything is fine, but with loadbalancing enabled, if I drop
the first instance of Tomcat, Apache coredumps as soon as a browser request is received. The
Apache error log shows that the child process (mod_jk) caused the fault.

I believe this is all to do with the DSO support of HPUX (we compiled with GNU compiler).

Anybody out there on HPUX who can shed some light? 


Eric Roberts

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