[ajug-members] Java crash with Tomcat

[Chris Fowler]

Jesse Barnum wrote:
> This line:
>
>   
>> =>0x095e5000 JavaThread "CompilerThread0" daemon  
>> [_thread_in_native, id=25029, stack(0xa0767000,0xa07e8000)]
>>     
>
> Makes me think that the problem is with a JSP page, which is being  
> compiled in response to a request that comes in at around 10 am. The  
> compiler is calling native code, which is crashing.
>   

There is only one JSP page and it is not being called at that time.

> Does the site get updated overnight, which would cause the JSP pages  
> to have new modification dates? Also, check the Apache httpd logs  
> around that time and see if you notice a pattern of a certain request  
> for a JSP that causes the crash.
>
>   

I've checked the access_log of apache and I've check syslog.  The only 
thing that hits those pages at 10am is a perl program that simply parses 
the login.htm page to verify that tomcat is still serving up the 
application.

Every morning around 1am tomcat is restarted.


--Jesse Barnum, President, 360Works
> http://www.360works.com 770-234-9293
> FBA Platinum, FileMaker 8 Certified
> == SuperContainer: A Better Container Field ==
>
> On Jun 23, 2008, at 1:57 PM, Chris Fowler wrote:
>
>   
>> I'm running into an interesting problem with Tomcat 4.1.30 on  
>> CentOS 5.1
>> running Java 6.06.  Each morning around
>> 10am I get a SIGSEGV crash.
>>
>> Here is the crash report:
>>
>> http://support.opsdc.com/~support/crash.txt
>>
>> I've looked at the apache logs and this software has very little  
>> traffic
>> and usually around 10am no one is using it.
>> The only thing accessing the main page is a monitor that makes sure it
>> is still running by looking for a login page.
>> I'm not quite sure what might be causing it.
>>
>> Software on server:
>> OS: CentOS 5.1
>> App Server: Tomcat 4.1.30
>> Java: 6.06
>> Apache: 2.0.55
>>
>> Now I am running Tomcat as copied from a Fedora Core 2.  I've been
>> thinking I may need to recompile 4.1.30 from source using Jdk6.   
>> Originally
>> I had this running on FC2,JDK1.4,Tomcat 4.1.30.  I decided to  
>> upgrade to
>> CentOS based on the extended support period.
>>
>> Chris
>>
>>
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>>     
>
>
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