Help, Tomcat 4.1.30, Linux Stops responding after 24-48 hours

[John Gentilin <jo...@gentilin.org>]

I have a fairly plain Tomcat install with one Web Application installed 
under RedHat 9.0.
After about 24 - 48 hours, the whole Tomcat server stops responding and 
there are no errors
in Catalina.out. It seems to of allocated VM ~ the size of physical 
memory, but none of the file
report any VM memory errors. I have not yet  installed a debugger and 
run Tomcat in debug mode,
tomcat is installed on a server that is a bit hard to get at the 
console. Also I am interested on how
others would set out to diagnose a remote server problem like this.
Any suggestions would be appreciated.

Note: The same setup runs on a Windows / Tomcat server with out issue.

tia
John G


The System:

Tomcat 4.1.30
JDK Java HotSpot(TM) Client VM (build 1.4.2_05-b04, mixed mode)
Apache 2.0.50
mod_jk2 (although it affects stand alone only mode too)
My web application attaches to a MySql server Ver 4.1

When the Tomcat stops responding;

If I telnet in, I get connected
If I type GET / HTTP/1.0, no response
If I run strace -p, it is stopped at a accept(9, statement

I can get into MySql from the cmdline and do a show status, and the rest of
the linux box is running fine.

/proc/pid/status says
Name:   java
State:  S (sleeping)
Tgid:   7939
Pid:    7939
PPid:   1
TracerPid:      0
Uid:    0       0       0       0
Gid:    0       0       0       0
FDSize: 256
Groups: 0 1 2 3 4 6 10
VmSize:   259704 kB
VmLck:         0 kB
VmRSS:     18084 kB
VmData:   195684 kB
VmStk:        48 kB
VmExe:        56 kB
VmLib:      6120 kB
SigPnd: 0000000000000000
SigBlk: 0000000100000000
SigIgn: 8000000000000002
SigCgt: 1000000080015ccd
CapInh: 0000000000000000
CapPrm: 00000000fffffeff
CapEff: 00000000fffffeff



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