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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: [OT] Tomcat 7.0.55 System Down
Date Thu, 05 Feb 2015 14:21:14 GMT
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Mark,

On 2/5/15 4:29 AM, Mark Thomas wrote:
> On 05/02/2015 09:11, 토로치 wrote:
>> Hello.
>> 
>> 
>> I am a PLM system developers.
>> 
>> We PLM system operates by JAVA.
>> 
>> We are using the Tomcat version 7.0.55.
>> 
>> The system Down occurs when we are using a PLM system.
>> 
>> The hs-err_pid5684.mdmp file over 20GB is created in the Tomcat
>> root folder.
>> 
>> When the contents of the hs_err_pid5512.log file shown that a JVM
>> bug.
> 
> If you think you have hit a JVM bug, why are you posting here?
> 
> <snip/>
> 
>> Current thread (0x00000000384c9800):  JavaThread
>> "http-apr-9500-exec-226" daemon [_thread_in_native, id=18668, 
>> stack(0x000000005a630000,0x000000005a730000)]
> 
> That tells me you are using the APR/native connector. It is
> possible that that connector is casing the problem but the stack
> trace isn't what I'd expect to see in that case.
> 
> *I recommend switching to the BIO HTTP connector* and seeing if the
> crash still occurs.

(Emphasis mine)

See? SEEEE!?

(Just sayin')

> That is a very old JVM. You should also try updating that to the
> latest 7.0.x release and see if the bug reoccurs.

+1

> On a related topic, make sure you are using the latest native
> component for the APR/native connector (1.1.32 as I type this). An
> upgrade to the latest Tomcat 7.0.x release wouldn't hurt either.
> 
> In short: - get everything up to date - test HTTP BIO vs HTTP
> APR/native

+1

- -chris
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