Hi,

 

We are currently using drools 5.0.1 for processing business rules. But we are currently facing an issue where if we invoke the rule using 10 concurrent requests , thread gets locked . The error is as below .

 

Deadlock/Blocked

Monitor

Owns Monitor Lock on org/drools/rule/JavaDialectRuntimeData$PackageClassLoader@0E99F9B8/0E99F9C4
Waiting for Monitor Lock on org/drools/rule/CompositeClassLoader@0DB50DC0/0DB50DCC

Java Stack

at java/lang/ClassLoader.loadClass(ClassLoader.java:606(Compiled Code))
at java/lang/Class.forNameImpl(Native Method)
at java/lang/Class.forName(Class.java:163(Compiled Code))
at org/drools/rule/JavaDialectRuntimeData$PackageClassLoader.loadClass(JavaDialectRuntimeData.java:458(Compiled Code))
at java/lang/ClassLoader.loadClass(ClassLoader.java:606(Compiled Code))
at /Rule_AutoUW_Rule_BR12Constants_153_0ConsequenceInvoker.evaluate(Rule_AutoUW_Rule_BR12Constants_153_0ConsequenceInvoker.java:16)
at org/drools/common/DefaultAgenda.fireActivation(DefaultAgenda.java:934(Compiled Code))
at org/drools/common/DefaultAgenda.fireNextItem(DefaultAgenda.java:885(Compiled Code))
at org/drools/common/DefaultAgenda.fireAllRules(DefaultAgenda.java:1086(Compiled Code))
at org/drools/common/AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:661(Compiled Code))
at org/drools/common/AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:637(Compiled Code))
at org/drools/reteoo/ReteooStatelessSession.execute(ReteooStatelessSession.java:203(Compiled Code))

 

 

Can you please advice .This has been occurring on Production systems and causing failures

 

Thanks & Regards,

Smita Deshpande

Technical Specialist - DU UK Insurance

Mastek Ltd | Cerebrum,2nd Floor, KalyaniNagar, Pune, Maharashtra, INDIA

(M)(0)9823041314 | (T) 91 20 66072000 Extn - 2256 | VOIP: 729 | www.mastek.com

Email:- smita.deshpande@mastek.com

 



MASTEK LTD.
In the US, we're called MAJESCOMASTEK

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