sem comentarios:

Category: JBossCMP
Group: v2.4 (stable)
Status: Open
Resolution: None
Priority: 9
Submitted By: John Shi (johnshi)
Assigned to: Bill Burke (patriot1burke)
Summary: JBoss Memory Leak

Initial Comment:
Puting creating and removing a record in a while loop to 
do it forever with primary key (Integer) constantly 
increasing will cause memory build up. The instance 
count of CacheKey, HashMap, MashalledObject, .. will 
grow rapidly.

Attached is the jar file which was a JBoss CD example. 
The Upload.java is modified to do the job mentioned 
above. This file has been cahnged to two files: 
TestNoProblem.java, which does not increase the 
primary key value, and the other one is 
TestWithProblem.java which constantly increases the 
primary key value.

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Comment By: Infogest (infogest)
Date: 2002-11-07 11:39

Message:
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user_id=167837

I have similar problems. I have a batch job that creates a lot of 
entity each night. I have to restart JBOSS every morning. 
That's a pain. 
But I've made an experiment moving from SAPDB to 
PostgreSQL and result are encouraging : no more memory 
leaks. 
Actually I couldn't make a complete test of the production 
environment but I'm going to move from SapDB to Postgres 
anyway. 
 
Which database backend are you using ?  

[EMAIL PROTECTED] wrote on 07/11/2002 09:05:02:

> Hmmm do websphere n�o sei. Do JBoss sei que existe um bug justamente de 
> vazamento de memoria. Pode ser que j� est� resolvido en 3.0.3
> 
> [EMAIL PROTECTED] wrote on 06/11/2002 16:58:43:
> 
> >      Senhores, 
> > 
> >      Trabalhamos com WebSphere em linux (Red Hat 7.1) e enfrentamos o 
> mesmo 
> > problema. A diferen�a � que n�o utilizamos Beans, apenas Servlets. J� 
> > chegamos a pensar que eram problemas no desenvolvimento das aplica��es 

> mas , 
> > agora, estamos com a id�ia de que talvez isso seja uma caracter�stica 
do 
> 
> > Linux, que talvez aloque mem�ria para utilizar quando necess�rio. 
> >       Algu�m mais tem este tipo de problema ? Ou, melhor, alguma id�ia 

> para 
> > a causa dele ? 
> > 
> > OBS: Isso acontece em todas as nossas m�quinas, algumas delas com at� 
> 2GB de 
> > Mem RAM, e o consumo vai aumentando at� que se chegue � quase toda a 
> > Mem�ria. 
> > 
> >     Att., Carlos Candido. 
> > 
> > 
> > ------------------------------------------------ 
> > Est�ver Herrera Hip�lito 
> > Abril SA 
> > 
> > WROTE: 
> > Ola pessoal, 
> > eu estou usando JBOSS3.0 + tomcat4.0.3 + jsdk1.4.0_01. O jboss inicia 
> com 
> > 123Mb de mem�ria, vai aumentando sem parar e nunca reduz..... Eu estou 

> > achando que s�o os entity bean mas n�o tenho certeza....Algu�m tem o 
> mesmo 
> > problema? 
> > 
> > []s 
> > ------------------------------------------------ 
> > 
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