Hello,
In order to provide a protection agains this type of memory leak
http://wiki.apache.org/tomcat/MemoryLeakProtection#webappClassInstanceAsThreadLocalIndirectValue
, I experimented with renewing the ThreadPoolExecutor in the
org.apache.catalina.core.StandardThreadExecutor. It works when I
2010/4/27 Sylvain Laurent :
> Hello,
>
> In order to provide a protection agains this type of memory leak
> http://wiki.apache.org/tomcat/MemoryLeakProtection#webappClassInstanceAsThreadLocalIndirectValue
> , I experimented with renewing the ThreadPoolExecutor in the
> org.apache.catalina.core.S
Do you mean one declared in server.xml ? or have the StandardThreadExecutor
register itself as a LifeCycleListener ? In the latter case, my problem is how
do I get a reference to StandardContext instances from the
StandardThreadExecutor ?
Sylvain
On 27 avr. 2010, at 08:46, Konstantin Kolinko w
On 27/04/2010 15:57, Sylvain Laurent wrote:
Do you mean one declared in server.xml ? or have the StandardThreadExecutor
register itself as a LifeCycleListener ? In the latter case, my problem is how
do I get a reference to StandardContext instances from the
StandardThreadExecutor ?
I'm not s
If I understand you and your comment here
https://issues.apache.org/bugzilla/show_bug.cgi?id=49159#c2 you propose to
clean only thread locals loaded by a web app. But how do you recognize them ?
If the value bound to a threadlocal is an ArrayList, you won't be able to tell
that it was loaded by
> From: Sylvain Laurent [mailto:sylvain.laur...@gmail.com] On Behalf Of
> Sylvain Laurent
> Subject: Re: Need advice to notify StandardExecutor when a webapp is
> stopped
>
> Furthermore, there is probably some frameworks out there that
> do save things in ThreadLocals in a
cache Date formatter or parsers...
Sylvain
On 29 avr. 2010, at 23:17, Caldarale, Charles R wrote:
>> From: Sylvain Laurent [mailto:sylvain.laur...@gmail.com] On Behalf Of
>> Sylvain Laurent
>> Subject: Re: Need advice to notify StandardExecutor when a webapp is
>> stopped
&
t; From: Sylvain Laurent [mailto:sylvain.laur...@gmail.com] On Behalf Of
>>> Sylvain Laurent
>>> Subject: Re: Need advice to notify StandardExecutor when a webapp is
>>> stopped
>>>
>>> Furthermore, there is probably some frameworks out there that
&g
> From: Caldarale, Charles R
> Subject: RE: Need advice to notify StandardExecutor when a webapp is
> stopped
>
> This is an area where some byte code modification might be appropriate
> in a container environment, so that the ThreadLocal behavior could be
> modified to be &
On 29/04/2010 21:50, Sylvain Laurent wrote:
> If I understand you and your comment here
> https://issues.apache.org/bugzilla/show_bug.cgi?id=49159#c2 you propose to
> clean only thread locals loaded by a web app. But how do you recognize them ?
> If the value bound to a threadlocal is an ArrayLi
rale, Charles R wrote:
>> From: Caldarale, Charles R
>> Subject: RE: Need advice to notify StandardExecutor when a webapp is
>> stopped
>>
>> This is an area where some byte code modification might be appropriate
>> in a container environment, so that the ThreadLoca
On 30 avr. 2010, at 00:01, Pid wrote:
>
> Are you saying that you want to stop processing requests each time a
> webapp gets restarted, or that the thread pool is refreshed by
> sequentially killing each thread and recreating it?
Something in between : I create a new pool with the same character
> From: Sylvain Laurent [mailto:sylvain.laur...@gmail.com] On Behalf Of
> Sylvain Laurent
> Subject: Re: Need advice to notify StandardExecutor when a webapp is
> stopped
>
> Interesting idea, really ! But I suspect it might break some things in
> some cases. I'm th
I finally proposed a patch for trunk in
https://issues.apache.org/bugzilla/show_bug.cgi?id=49159 for this. Thanks for
reviewing it...
Sylvain
On 30 avr. 2010, at 18:27, Sylvain Laurent wrote:
>
> On 30 avr. 2010, at 00:01, Pid wrote:
>>
>> Are you saying that you want to stop processing requ
> From: Sylvain Laurent [mailto:sylvain.laur...@gmail.com]
> On Behalf Of Sylvain Laurent
> Subject: Re: Need advice to notify StandardExecutor when a
> webapp is stopped
>
> An improvement I can do is to pre-start some "core" threads in the
> new pool before ma
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