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Posted to users@tomcat.apache.org by Peter Neu <pe...@gmx.net> on 2006/06/06 14:57:21 UTC
java.lang.OutOfMemoryError: PermGen space
Hello,
I have many memory consuming apps on my tomcat server. I a lot pdf & excel
generation. So every other week I get this error
java.lang.OutOfMemoryError: PermGen space
I know the root of this error is that the garbage collector does not clean
up and memory allocated
for java object generation is used up. But what can I do about it? If I
allocate more memory I'm only postponing
the problem. So do I have to shutdown every day my tomcat server to ensure
the deletion of unused objects or
Will only a tomcat cluster help in this case? I also read the archives but
could not find any useful explenation.
I defined max memory usage for 2 Gig with the Catalina_Opts variable in my
start script. CATALINA_OPTS="-Xmx2048m -Xms1536m"
Tomcat 5.5.9
Java 1.5.0_04-b05
SuSE Linux ES 9
Cheers,
Pete
SCHWERWIEGEND: Servlet.service() for servlet jsp threw exception
java.lang.OutOfMemoryError: PermGen space
Exception in thread "TP-Processor10" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor11" Exception in thread "TP-Processor1"
java.lang.OutOfMemoryError: PermGen space
java.lang.OutOfMemoryError: PermGen space
Exception in thread "TP-Processor7" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor6" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor2" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor12" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor5" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor9" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor16" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor15" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor14" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor13" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor20" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor18" Exception in thread "TP-Processor19"
java.lang.OutOfMemoryError: PermGen space
java.lang.OutOfMemoryError: PermGen space
Exception in thread "TP-Processor17" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor24" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor23" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor22" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor21" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor28" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor27" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor26" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor25" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor32" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor30" Exception in thread "TP-Processor29"
Exception in thread "TP-Processor31" java.lang.OutOfMemoryError: PermGen
space
java.lang.OutOfMemoryError: PermGen space
java.lang.OutOfMemoryError: PermGen space
Exception in thread "TP-Processor36" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor35" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor34" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor33" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor39" Exception in thread "TP-Processor37"
java.lang.OutOfMemoryError: PermGen space
Exception in thread "TP-Processor40" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor38" java.lang.OutOfMemoryError: PermGen
space
java.lang.OutOfMemoryError: PermGen space
Exception in thread "TP-Processor44" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor43" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor41" Exception in thread "TP-Processor48"
java.lang.OutOfMemoryError: PermGen space
java.lang.OutOfMemoryError: PermGen space
Exception in thread "TP-Processor42" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor46" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor47" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor45" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor52" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor51" java.lang.OutOfMemoryError: PermGen
space
Exception in thread "TP-Processor50" java.lang.OutOfMemoryError: PermGen
space
Re: java.lang.OutOfMemoryError: PermGen space
Posted by Christian Reichlin <ch...@kerbtier.ch>.
hi,
if you have a lot of different webapps with the same third party libs in
the WEB-INF/lib folder it might help if you move them to the shared/lib
folder. i recommend to put only the third party libs there, who are
definitely the same for all webapps, for example jdbc-driver and similar
things.
this helps because otherwise they are all loaded by a different
classloader so they all need for each webapp some permGen space.
does it needs some redeploys of webapps till the memory exception
ocures? in this case the class loader of the undeployed webapp can't be
garbage collected and all the classdefinitions remain in memory for
ever... or until tomcat is restarted.
regards
chris
Ingo Rockel wrote:
> Hi,
>
> Your Permanent Generation is running out of memory, this is a special
> space in the vm memory, where the vm stores all of its internal data
> (classes, etc.). You should pass -XX:+PrintGCDetails to the VM to see
> how much perm-space is used. If you have a lot of
> third-party-libraries etc. your permanent space might be to small,
> adjust using:
>
> -XX:MaxPermSize=<newvalue>
>
> see here for options:
>
> http://java.sun.com/docs/hotspot/VMOptions.html
>
> regards,
>
> Ingo
>
> Peter Neu schrieb:
>
>> Hello,
>>
>>
>>
>> I have many memory consuming apps on my tomcat server. I a lot pdf &
>> excel
>> generation. So every other week I get this error
>>
>>
>>
>> java.lang.OutOfMemoryError: PermGen space
>>
>>
>>
>> I know the root of this error is that the garbage collector does not
>> clean
>> up and memory allocated
>> for java object generation is used up. But what can I do about it? If I
>> allocate more memory I'm only postponing
>>
>> the problem. So do I have to shutdown every day my tomcat server to
>> ensure
>> the deletion of unused objects or
>>
>> Will only a tomcat cluster help in this case? I also read the
>> archives but
>> could not find any useful explenation.
>>
>>
>>
>> I defined max memory usage for 2 Gig with the Catalina_Opts variable
>> in my
>> start script. CATALINA_OPTS="-Xmx2048m -Xms1536m"
>>
>>
>>
>> Tomcat 5.5.9
>>
>> Java 1.5.0_04-b05
>>
>> SuSE Linux ES 9
>>
>>
>>
>> Cheers,
>>
>>
>>
>> Pete
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> SCHWERWIEGEND: Servlet.service() for servlet jsp threw exception
>>
>> java.lang.OutOfMemoryError: PermGen space
>>
>> Exception in thread "TP-Processor10" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor11" Exception in thread "TP-Processor1"
>> java.lang.OutOfMemoryError: PermGen space
>>
>> java.lang.OutOfMemoryError: PermGen space
>>
>> Exception in thread "TP-Processor7" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor6" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor2" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor12" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor5" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor9" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor16" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor15" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor14" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor13" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor20" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor18" Exception in thread
>> "TP-Processor19"
>> java.lang.OutOfMemoryError: PermGen space
>>
>> java.lang.OutOfMemoryError: PermGen space
>>
>> Exception in thread "TP-Processor17" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor24" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor23" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor22" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor21" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor28" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor27" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor26" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor25" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor32" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor30" Exception in thread
>> "TP-Processor29"
>> Exception in thread "TP-Processor31" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> java.lang.OutOfMemoryError: PermGen space
>>
>> java.lang.OutOfMemoryError: PermGen space
>>
>> Exception in thread "TP-Processor36" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor35" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor34" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor33" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor39" Exception in thread
>> "TP-Processor37"
>> java.lang.OutOfMemoryError: PermGen space
>>
>> Exception in thread "TP-Processor40" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor38" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> java.lang.OutOfMemoryError: PermGen space
>>
>> Exception in thread "TP-Processor44" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor43" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor41" Exception in thread
>> "TP-Processor48"
>> java.lang.OutOfMemoryError: PermGen space
>>
>> java.lang.OutOfMemoryError: PermGen space
>>
>> Exception in thread "TP-Processor42" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor46" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor47" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor45" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor52" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor51" java.lang.OutOfMemoryError: PermGen
>> space
>>
>> Exception in thread "TP-Processor50" java.lang.OutOfMemoryError: PermGen
>> space
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
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Re: java.lang.OutOfMemoryError: PermGen space
Posted by Ingo Rockel <ir...@pironet-ndh.com>.
Hi,
Your Permanent Generation is running out of memory, this is a special
space in the vm memory, where the vm stores all of its internal data
(classes, etc.). You should pass -XX:+PrintGCDetails to the VM to see
how much perm-space is used. If you have a lot of third-party-libraries
etc. your permanent space might be to small, adjust using:
-XX:MaxPermSize=<newvalue>
see here for options:
http://java.sun.com/docs/hotspot/VMOptions.html
regards,
Ingo
Peter Neu schrieb:
> Hello,
>
>
>
> I have many memory consuming apps on my tomcat server. I a lot pdf & excel
> generation. So every other week I get this error
>
>
>
> java.lang.OutOfMemoryError: PermGen space
>
>
>
> I know the root of this error is that the garbage collector does not clean
> up and memory allocated
>
> for java object generation is used up. But what can I do about it? If I
> allocate more memory I'm only postponing
>
> the problem. So do I have to shutdown every day my tomcat server to ensure
> the deletion of unused objects or
>
> Will only a tomcat cluster help in this case? I also read the archives but
> could not find any useful explenation.
>
>
>
> I defined max memory usage for 2 Gig with the Catalina_Opts variable in my
> start script. CATALINA_OPTS="-Xmx2048m -Xms1536m"
>
>
>
> Tomcat 5.5.9
>
> Java 1.5.0_04-b05
>
> SuSE Linux ES 9
>
>
>
> Cheers,
>
>
>
> Pete
>
>
>
>
>
>
>
>
>
> SCHWERWIEGEND: Servlet.service() for servlet jsp threw exception
>
> java.lang.OutOfMemoryError: PermGen space
>
> Exception in thread "TP-Processor10" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor11" Exception in thread "TP-Processor1"
> java.lang.OutOfMemoryError: PermGen space
>
> java.lang.OutOfMemoryError: PermGen space
>
> Exception in thread "TP-Processor7" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor6" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor2" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor12" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor5" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor9" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor16" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor15" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor14" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor13" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor20" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor18" Exception in thread "TP-Processor19"
> java.lang.OutOfMemoryError: PermGen space
>
> java.lang.OutOfMemoryError: PermGen space
>
> Exception in thread "TP-Processor17" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor24" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor23" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor22" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor21" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor28" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor27" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor26" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor25" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor32" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor30" Exception in thread "TP-Processor29"
> Exception in thread "TP-Processor31" java.lang.OutOfMemoryError: PermGen
> space
>
> java.lang.OutOfMemoryError: PermGen space
>
> java.lang.OutOfMemoryError: PermGen space
>
> Exception in thread "TP-Processor36" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor35" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor34" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor33" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor39" Exception in thread "TP-Processor37"
> java.lang.OutOfMemoryError: PermGen space
>
> Exception in thread "TP-Processor40" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor38" java.lang.OutOfMemoryError: PermGen
> space
>
> java.lang.OutOfMemoryError: PermGen space
>
> Exception in thread "TP-Processor44" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor43" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor41" Exception in thread "TP-Processor48"
> java.lang.OutOfMemoryError: PermGen space
>
> java.lang.OutOfMemoryError: PermGen space
>
> Exception in thread "TP-Processor42" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor46" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor47" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor45" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor52" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor51" java.lang.OutOfMemoryError: PermGen
> space
>
> Exception in thread "TP-Processor50" java.lang.OutOfMemoryError: PermGen
> space
>
>
>
>
>
>
>
>
>
>
--
PIRONET NDH AG
Dipl. Inf. Ingo Rockel - Produktentwicklung
Maarweg 149-161, 50825 Koeln
Tel.: +49 (0)221-770-1788 / Fax: +49 (0)221-770-1005
mailto:irockel@pironet-ndh.com - http://www.pironet-ndh.com
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Re: java.lang.OutOfMemoryError: PermGen space
Posted by William Bonnet <wi...@wbonnet.net>.
Hi
> I have many memory consuming apps on my tomcat server. I a lot pdf & excel
> generation. So every other week I get this error
>
>
>
> java.lang.OutOfMemoryError: PermGen space
Try to add more space for PermGen using
-XX:MaxPermSize=256m
I think default is 64 megs
Kind regards,
--
William Bonnet
SunWizard - Le site francais dédié aux amateurs de stations Unix
http://www.sunwizard.net
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Re: AW: java.lang.OutOfMemoryError: PermGen space
Posted by Christian Reichlin <ch...@kerbtier.ch>.
> The problem whith PermGen space also occurs when I redeploy too often in a
> short amount of time. Does that point in any direction?
it points to the "class loader not released-problem" or at least to a
"class loader not released immediately-problem".
some more infos:
http://opensource.atlassian.com/confluence/spring/pages/viewpage.action?pageId=2669
Peter Neu wrote:
>Hello,
>
>thanks for the many replies. I do have many third party libaries (struts,
>fop etc.) so that could cause it. I also have a singleton pattern which is
>used many times because it hands out database connections.
>
>I will set the MaxPermSize variable in the CATALINA_OPTS variable and see
>what happens.
>
>The problem whith PermGen space also occurs when I redeploy too often in a
>short amount of time. Does that point in any direction?
>
>Cheers,
>Pete
>
>
>-----Ursprüngliche Nachricht-----
>Von: Antonio Petrelli [mailto:brenmcguire@tariffenet.it]
>Gesendet: Dienstag, 6. Juni 2006 15:38
>An: Tomcat Users List
>Betreff: Re: java.lang.OutOfMemoryError: PermGen space
>
>Peter Neu ha scritto:
>
>
>>Hello,
>>
>>
>>
>>I have many memory consuming apps on my tomcat server. I a lot pdf & excel
>>generation. So every other week I get this error
>>
>>
>>
>> java.lang.OutOfMemoryError: PermGen space
>>
>>
>>
>>
>
>http://wiki.apache.org/tomcat/OutOfMemory
>HTH
>Antonio
>
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>
>
>
>
>---------------------------------------------------------------------
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>
>
>
>
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AW: java.lang.OutOfMemoryError: PermGen space
Posted by Peter Neu <pe...@gmx.net>.
Hello,
thanks for the many replies. I do have many third party libaries (struts,
fop etc.) so that could cause it. I also have a singleton pattern which is
used many times because it hands out database connections.
I will set the MaxPermSize variable in the CATALINA_OPTS variable and see
what happens.
The problem whith PermGen space also occurs when I redeploy too often in a
short amount of time. Does that point in any direction?
Cheers,
Pete
-----Ursprüngliche Nachricht-----
Von: Antonio Petrelli [mailto:brenmcguire@tariffenet.it]
Gesendet: Dienstag, 6. Juni 2006 15:38
An: Tomcat Users List
Betreff: Re: java.lang.OutOfMemoryError: PermGen space
Peter Neu ha scritto:
> Hello,
>
>
>
> I have many memory consuming apps on my tomcat server. I a lot pdf & excel
> generation. So every other week I get this error
>
>
>
> java.lang.OutOfMemoryError: PermGen space
>
>
http://wiki.apache.org/tomcat/OutOfMemory
HTH
Antonio
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Re: java.lang.OutOfMemoryError: PermGen space
Posted by Antonio Petrelli <br...@tariffenet.it>.
Peter Neu ha scritto:
> Hello,
>
>
>
> I have many memory consuming apps on my tomcat server. I a lot pdf & excel
> generation. So every other week I get this error
>
>
>
> java.lang.OutOfMemoryError: PermGen space
>
>
http://wiki.apache.org/tomcat/OutOfMemory
HTH
Antonio
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