ohk compiling the rule and storing it its really a good for memory
On 5/5/10, miguel machado <mls.mach...@gmail.com> wrote: > > @puneet it may be a good ideia memory wise. I'm doing it right now, in > order to compile rules just once. > > _ miguel > > > 2010/5/5 Puneet duggal <duggalpu...@gmail.com> > > @ Nikhil, >> >> I am not sure weather it a good practice to seralize a package and store >> it , i am new to it and i am storing the drl files in db . >> Can we retrive our DRL file after retriving the packge from database.?? >> >> >> On 5/4/10, Nikhil S. Kulkarni <nikhil.kulka...@mastek.com> wrote: >> >>> Hi, >>> >>> >>> >>> I have compiled some rules and added it in packages. Then >>> I serialized those packages and stored in database in the form of CLOB data >>> >>> Now I am able to get Packages back from database and loaded it in >>> RuleBase. >>> >>> But while executing Rule, I am getting the following Exception. >>> >>> >>> >>> java.lang.NullPointerException >>> >>> at >>> org.drools.base.ClassFieldReader.getValue(ClassFieldReader.java:91) >>> >>> at >>> org.drools.base.evaluators.EqualityEvaluatorsDefinition$StringEqualEvaluator.evaluate(EqualityEvaluatorsDefinition.java:1962) >>> >>> at >>> org.drools.rule.LiteralRestriction.isAllowed(LiteralRestriction.java:92) >>> >>> at >>> org.drools.rule.OrCompositeRestriction.isAllowed(OrCompositeRestriction.java:25) >>> >>> at >>> org.drools.rule.MultiRestrictionFieldConstraint.isAllowed(MultiRestrictionFieldConstraint.java:97) >>> >>> at >>> org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:143) >>> >>> at >>> org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:360) >>> >>> at >>> org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:344) >>> >>> at >>> org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:185) >>> >>> at >>> org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:146) >>> >>> at >>> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1046) >>> >>> at >>> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1001) >>> >>> at >>> org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:788) >>> >>> at >>> org.drools.reteoo.ReteooStatelessSession.execute(ReteooStatelessSession.java:201) >>> >>> >>> >>> The similar kind of issue is already logged by someone. >>> >>> >>> >>> Please inform If anyone has an idea about this. >>> >>> Waiting for Reply. >>> >>> >>> >>> Thanks & Regards, >>> >>> Nikhil S. Kulkarni >>> >>> >>> >>> >>> >>> MASTEK LTD. >>> Mastek is in NASSCOM's 'India Top 20' Software Service Exporters List. >>> In the US, we're called MAJESCOMASTEK >>> >>> >>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >>> >>> Opinions expressed in this e-mail are those of the individual and not that >>> of Mastek Limited, unless specifically indicated to that effect. Mastek >>> Limited does not accept any responsibility or liability for it. This e-mail >>> and attachments (if any) transmitted with it are confidential and/or >>> privileged and solely for the use of the intended person or entity to which >>> it is addressed. Any review, re-transmission, dissemination or other use of >>> or taking of any action in reliance upon this information by persons or >>> entities other than the intended recipient is prohibited. This e-mail and >>> its attachments have been scanned for the presence of computer viruses. It >>> is the responsibility of the recipient to run the virus check on e-mails >>> and attachments before opening them. If you have received this e-mail in >>> error, kindly delete this e-mail from desktop and server. >>> >>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >>> >>> >>> _______________________________________________ >>> rules-users mailing list >>> rules-users@lists.jboss.org >>> https://lists.jboss.org/mailman/listinfo/rules-users >>> >>> >>> >> >> >> _______________________________________________ >> rules-users mailing list >> rules-users@lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> > > > -- > "To understand what is recursion you must first understand recursion" > > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > >
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