tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Luciano Andress Martini <777u...@gmail.com>
Subject Re: Java.lang.out.of.memory not clearly....
Date Mon, 30 Jan 2012 16:32:25 GMT
Pid i changed the configuration, like this:

JAVA_OPTS="-Djava.awt.headless=true -Xmx1512m -XX:ParallelGCThreads=4
-XX:+UseParNewGC -XX:MaxPermSize=1024M -XX:+UseConcMarkSweepGC
-XX:+CMSClassUnloadingEnabled -XX:+HeapDumpOnOutOfMemoryError"

The system is 64 bits + Java 64 bits, running in debian
paravirtualized with Xen.


2012/1/30, David kerber <dckerber@verizon.net>:
> On 1/30/2012 11:05 AM, Luciano Andress Martini wrote:
>> 2012/1/30, Caldarale, Charles R<Chuck.Caldarale@unisys.com>:
>>>> From: Luciano Andress Martini [mailto:777user@gmail.com]
>>>> Subject: Re: Java.lang.out.of.memory not clearly....
>>>
>>>> Jeffrey im sorry, but i need to ask, my boss says that is impossible
>>>> to be a problem in the software cause java unalocate objects
>>>> automatically, is that true?
>>>
>>> A) Stop your top posting - it's incredibly annoying and makes people much
>>> less likely to help.
>>>
>>> B) Your boss is wrong.  Google for many examples of memory leaks in Java.
>>>
>>>   - Chuck
>>>
>>>
>>> THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY
>>> MATERIAL and is thus for use only by the intended recipient. If you
>>> received
>>> this in error, please contact the sender and delete the e-mail and its
>>> attachments from all computers.
>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
>>> For additional commands, e-mail: users-help@tomcat.apache.org
>>>
>>>
>>
>> Thank you and sorry Chuck.
>> Jeffrey what is your opinion about this?
>> The development team is using a software that "Draw" java code called
>> developer, and do not programming in. Im a assembler/C programmer and
>> don't have so much knowing about java.
>
> Java can have memory leaks just as easily as C can, but if the app is
> standalone, it will release them when the app closes and the JRE shuts
> down.
>
> I have killed tomcat more than once with memory leaks, so it's easy to
> do.  I'm not the expert that Chuck and Mark T are, but here is my
> understanding of what happens:  if the app is running under tomcat, the
> JRE never shuts down since tomcat is using it.  That means the JRE can
> not free up memory that your app has left allocated, as it would be able
> to in a standalone app.  So your Tomcat app has to clean up after itself
> because there is nothing else that can do so.
>
>
>>
>> But all the fault is falling back to me in the company.
>
> I know the feeling  :-/
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>
>

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
For additional commands, e-mail: users-help@tomcat.apache.org


Mime
View raw message