Re: [rules-users] Java Heap Space Out of Memory in Drools
On 19-11-13 12:04, newbie wrote:
Here's the stacktrace:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at
org.drools.core.base.accumulators.JavaAccumulatorFunctionExecutor.createContext(JavaAccumulatorFunctionExecutor.java:81)
at org.drools.core.rule.Accumulate.createContext(Accumulate.java:126)
at
org.drools.core.phreak.PhreakAccumulateNode.doLeftInserts(PhreakAccumulateNode.java:145)
...
Using visualvm I get this output. Thanks.
test.png <http://drools.46999.n3.nabble.com/file/n4026831/test.png>
It
clearly at least one of your score rules in Drools that apparently
takes the grand majority of your memory (FromNodeLeftTuptle).
First identify the problematic score rules:
For each of your score rules, comment out that 1 score rule, let
planner run and check VisualVM.
Then report the problematic score rules here.
--
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