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Posted to users@tomcat.apache.org by sangy tomcat <sa...@hotmail.com> on 2001/03/09 03:47:22 UTC

Tomcat. going down in hihg load condition.

We are trying to do some load testing with Tomcat servlet engine. Tomcat 
goes down when load becomes high. I am cutting and pasting stdout.log when 
error happens, do you have any idea on why this error is happening.


SIGBUS 10 bus error
    si_signo [10]: BUS
    si_errno [12]: swap space exhausted
    si_code [3]: BUS_OBJERR [addr: 0xfa6d1d88]

        stackpointer=FA720D08

Exiting Thread (sys_thread_t:0x900838) : no stack
"Thread-4" (TID:0x1665b8, sys_thread_t:0x1664f0, state:MW, thread_t: t@1, 
thread
ID:0x25118, stack_bottom:0xffbf0000, stack_size:0x800000) prio=5

-------------------
"Thread-3" (TID:0x520e50, sys_thread_t:0x520d88, state:R, thread_t: t@16, 
thread
ID:0xfa721d78, stack_bottom:0xfa722000, stack_size:0x20000) prio=5 *current 
thre
ad*


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Re: Tomcat. going down in hihg load condition.

Posted by Ben Flaumenhaft <be...@sidelight.com>.
This is a VM crash. In particular, your Java VM is trying to use memory
space and running out of memory, and the Java process is trying to expand
into swap space, but not enough is available. There are a couple
solutions -- buy more memory, allocate more swap space, or some combination
of the two. (You might also play with the Java -Xmx setting to set the
maximum heap size it can use).

Regards,
Ben Flaumenhaft
Principal, Sidelight Consulting
http://www.sidelight.com


----- Original Message -----
From: "sangy tomcat" <sa...@hotmail.com>
To: <to...@jakarta.apache.org>
Sent: Thursday, March 08, 2001 6:47 PM
Subject: Tomcat. going down in hihg load condition.


> We are trying to do some load testing with Tomcat servlet engine. Tomcat
> goes down when load becomes high. I am cutting and pasting stdout.log when
> error happens, do you have any idea on why this error is happening.
>
>
> SIGBUS 10 bus error
>     si_signo [10]: BUS
>     si_errno [12]: swap space exhausted
>     si_code [3]: BUS_OBJERR [addr: 0xfa6d1d88]
>
>         stackpointer=FA720D08
>
> Exiting Thread (sys_thread_t:0x900838) : no stack
> "Thread-4" (TID:0x1665b8, sys_thread_t:0x1664f0, state:MW, thread_t: t@1,
> thread
> ID:0x25118, stack_bottom:0xffbf0000, stack_size:0x800000) prio=5
>
> -------------------
> "Thread-3" (TID:0x520e50, sys_thread_t:0x520d88, state:R, thread_t: t@16,
> thread
> ID:0xfa721d78, stack_bottom:0xfa722000, stack_size:0x20000) prio=5
*current
> thre
> ad*
>
>
> _________________________________________________________________
> Get your FREE download of MSN Explorer at http://explorer.msn.com
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tomcat-user-unsubscribe@jakarta.apache.org
> For additional commands, email: tomcat-user-help@jakarta.apache.org
>


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