Re: [rules-users] OutOfMemoryError: GC overhead limit exceeded
Geoffrey,
Thank you for your response and the link to the blog post. We are
definitely on the large side for rules. Luckily though not 8GB worth
[at least not yet]. Is 5.1 stable enough to run in a production
environment?
Thanks.
-----Original Message-----
From: rules-users-bounces(a)lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Geoffrey De
Smet
Sent: Thursday, June 24, 2010 12:39 PM
To: rules-users(a)lists.jboss.org
Subject: Re: [rules-users] OutOfMemoryError: GC overhead limit exceeded
An "OutOfMemoryError: GC overhead limit exceeded" issue was fixed for
5.1, see
http://blog.athico.com/2010/03/drools-halves-memory-use-with-new-true.ht
ml
With kind regards,
Geoffrey De Smet
Jeffrey Schneller schreef:
I saw a similar thread about this back in March but I am now seeing a
similar exception being thrown. I am running 5.0.1. The error is
thrown in my app after the change set listener determines there was a
change with the rules package in the Guvnor. I have included the
stack
trace from the most recent time the exception was thrown. Hopefully
someone can provide some additional information or a workaround. Has
this problem been fixed in 5.1? If so, has 5.1 moved out of M2 state
and into a CR state and when will it go into a full released state?
Exception in thread "Thread-44" java.lang.OutOfMemoryError: GC
overhead
limit exceeded
at org.drools.rule.GroupElement.<init>(GroupElement.java:44)
at org.drools.rule.GroupElement.<init>(GroupElement.java:47)
at
sun.reflect.GeneratedConstructorAccessor61.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
at
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at java.lang.Class.newInstance0(Class.java:355)
at java.lang.Class.newInstance(Class.java:308)
at org.drools.rule.GroupElement.clone(GroupElement.java:267)
at org.drools.rule.GroupElement.clone(GroupElement.java:279)
at org.drools.rule.Rule.getExtendedLhs(Rule.java:518)
at org.drools.rule.Rule.getTransformedLhs(Rule.java:545)
at
org.drools.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.ja
va:98)
at
org.drools.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:117)
at
org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:362)
at
org.drools.common.AbstractRuleBase.addRule(AbstractRuleBase.java:618)
at
org.drools.common.AbstractRuleBase.addPackages(AbstractRuleBase.java:500
)
at
org.drools.reteoo.ReteooRuleBase.addPackage(ReteooRuleBase.java:388)
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgent
Impl.java:416)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentIm
pl.java:120)
at
org.drools.agent.impl.KnowledgeAgentImpl$ChangeSetNotificationDetector.r
un(KnowledgeAgentImpl.java:538)
at java.lang.Thread.run(Thread.java:619)
Thanks.
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