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

Christopher.Mathrusse at sybase.com Christopher.Mathrusse at sybase.com
Tue Jan 22 02:12:54 EST 2008


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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[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(JavaDialect.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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