[rules-users] Out of Memory Issue of JBoss Engine deployed on IBMWAS 6.0.2.7
Edson Tirelli
tirelli at post.com
Mon Jan 15 20:25:51 EST 2007
Ok, ignore the suggestion for the update in my last e-mail... :)
Dejia Wang wrote:
> BTW, I am using the JBoss Rules 3.0.5.
>
> ------------------------------------------------------------------------
>
> *From:* Dejia Wang
> *Sent:* Monday, January 15, 2007 3:56 PM
> *To:* rules-users at lists.jboss.org
> *Subject:* [rules-users] Out of Memory Issue of JBoss Engine deployed
> on IBMWAS 6.0.2.7
> *Importance:* High
>
> Hi All,
>
> I ran into OOM (Out of Memory) issue of JBoss Rule Engine deployed on
> IBM WAS 6.0.2.7. Below is the log
>
> …
>
> [Loaded org.antlr.runtime.DFA from
> file:/D:/WebSphere/AppServer/profiles/AppSrv01/installedApps/xxxNode02Cell/xxx.ear/lib/antlr-3.0ea8.jar]
>
> [Loading superclass and interfaces of org/antlr/runtime/DFA]
>
> [Preparing org/antlr/runtime/DFA]
>
> [Loaded org.antlr.runtime.DFA$State from
> file:/D:/WebSphere/AppServer/profiles/AppSrv01/installedApps/xxxNode02Cell/xxxApplications.ear/lib/antlr-3.0ea8.jar]
>
> [Loading superclass and interfaces of org/antlr/runtime/DFA$State]
>
> [Loaded org.drools.lang.RuleParserLexer$1 from
> file:/D:/WebSphere/AppServer/profiles/AppSrv01/installedApps/xxxNode02Cell/xxxApplications.ear/lib/drools-compiler-3.0.jar]
>
> [Loading superclass and interfaces of org/drools/lang/RuleParserLexer$1]
>
> [Loaded org.drools.lang.RuleParserLexer$2 from
> file:/D:/WebSphere/AppServer/profiles/AppSrv01/installedApps/xxxNode02Cell/
> xxxApplications.ear/lib/drools-compiler-3.0.jar]
>
> [Loading superclass and interfaces of org/drools/lang/RuleParserLexer$2]
>
> [Loaded org.drools.lang.RuleParserLexer$3 from
> file:/D:/WebSphere/AppServer/profiles/AppSrv01/installedApps/xxxNode02Cell/
> xxxApplications.ear/lib/drools-compiler-3.0.jar]
>
> [Loading superclass and interfaces of org/drools/lang/RuleParserLexer$3]
>
> [Loaded org.drools.lang.RuleParserLexer$4 from
> file:/D:/WebSphere/AppServer/profiles/AppSrv01/installedApps/xxxNode02Cell/
> xxxApplications.ear/lib/drools-compiler-3.0.jar]
>
> [Loading superclass and interfaces of org/drools/lang/RuleParserLexer$4]
>
> ….
>
> [Loaded org.drools.lang.RuleParserLexer$228 from
> file:/D:/WebSphere/AppServer/profiles/AppSrv01/installedApps/xxxNode02Cell/xxxApplications.ear/lib/drools-compiler-3.0.jar]
>
> [Loading superclass and interfaces of org/drools/lang/RuleParserLexer$228]
>
> …
>
> It looks like it loaded the same class hundreds of times until it
> exhausts the memory.
>
> Any idea why this happens and how to fix this?
>
> Thanks- Dejia
>
>------------------------------------------------------------------------
>
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>
--
Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3124-6000
Mobile: +55 11 9218-4151
JBoss, a division of Red Hat @ www.jboss.com
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