[rules-users] java.lang.OutOfMemoryError: Java heap space onDrools 4.0.4

[Shiva Shankar Reddy Katula]

I have allocated 2 GB memory to application server ....

More over when I am running the same using the previous version jars
i.e., 3.0.x drools I never get this...

 

Thanks,

Shiva

Tel: +91-40-27782000 Ext: 4259

________________________________

From: rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of
Christopher.Mathrusse at sybase.com
Sent: Tuesday, January 22, 2008 12:43 PM
To: Rules Users List
Subject: Re: [rules-users] java.lang.OutOfMemoryError: Java heap space
onDrools 4.0.4

 


Allocate more memory for the JVM when starting the application/server.
As an example, pass the following in to the JVM on startup: 
-Xms128m -Xmx256m 

By default, the JVM only allocate 64M of memory. You simply need to tell
the JVM to allocate more. 





"Shiva Shankar Reddy Katula" <shivashankar.k at sonata-software.com> 
Sent by: rules-users-bounces at lists.jboss.org 

01/21/2008 10:38 PM 

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Subject

[rules-users] java.lang.OutOfMemoryError: Java heap space on Drools
4.0.4

 

 

 




Hi, 
  
I am getting the following outofmemory error after upgrading from 3.0.x
to 4.0.4. 
I use to never get this error before. 
I don't think this is because of system memory issue. 
  
I have 8 GB RAM Linux Machine with JBOSS Server. 
  
Do anybody have this issue if so what is the resolution. 
  
  
22:22:38,177 ERROR [STDERR] Exception in thread "Timer-354" 
22:22:38,177 ERROR [STDERR] java.lang.OutOfMemoryError: Java heap space 
22:22:38,177 ERROR [STDERR]     at
java.lang.StringCoding.trim(StringCoding.java:64) 
22:22:38,177 ERROR [STDERR]     at
java.lang.StringCoding.access$400(StringCoding.java:37) 
22:22:38,177 ERROR [STDERR]     at
java.lang.StringCoding$CharsetSE.encode(StringCoding.java:353) 
22:22:38,177 ERROR [STDERR]     at
java.lang.StringCoding.encode(StringCoding.java:378) 
22:22:38,177 ERROR [STDERR]     at
java.lang.StringCoding.encode(StringCoding.java:384) 
22:22:38,177 ERROR [STDERR]     at
java.lang.String.getBytes(String.java:829) 
22:22:38,183 ERROR [STDERR]     at
org.drools.rule.builder.dialect.java.JavaDialect.addClassCompileTask(Jav
aDialect.java:472)22:22:38,183 ERROR [STDERR]     at
org.drools.rule.builder.dialect.java.JavaDialect.addFunction(JavaDialect
.java:442) 
22:22:38,183 ERROR [STDERR]     at
org.drools.compiler.PackageBuilder.addFunction(PackageBuilder.java:406) 
22:22:38,183 ERROR [STDERR]     at
org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:289) 
22:22:38,183 ERROR [STDERR]     at
org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java
:167) 
  
Thanks, 
Shiva 
Tel: +91-40-27782000 Ext:
4259_______________________________________________
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