<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:p="urn:schemas-microsoft-com:office:powerpoint" xmlns:a="urn:schemas-microsoft-com:office:access" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema" xmlns:b="urn:schemas-microsoft-com:office:publisher" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet" xmlns:odc="urn:schemas-microsoft-com:office:odc" xmlns:oa="urn:schemas-microsoft-com:office:activation" xmlns:html="http://www.w3.org/TR/REC-html40" xmlns:q="http://schemas.xmlsoap.org/soap/envelope/" xmlns:rtc="http://microsoft.com/officenet/conferencing" xmlns:D="DAV:" xmlns:Repl="http://schemas.microsoft.com/repl/" xmlns:mt="http://schemas.microsoft.com/sharepoint/soap/meetings/" xmlns:x2="http://schemas.microsoft.com/office/excel/2003/xml" xmlns:ppda="http://www.passport.com/NameSpace.xsd" xmlns:ois="http://schemas.microsoft.com/sharepoint/soap/ois/" xmlns:dir="http://schemas.microsoft.com/sharepoint/soap/directory/" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:dsp="http://schemas.microsoft.com/sharepoint/dsp" xmlns:udc="http://schemas.microsoft.com/data/udc" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sub="http://schemas.microsoft.com/sharepoint/soap/2002/1/alerts/" xmlns:ec="http://www.w3.org/2001/04/xmlenc#" xmlns:sp="http://schemas.microsoft.com/sharepoint/" xmlns:sps="http://schemas.microsoft.com/sharepoint/soap/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:udcs="http://schemas.microsoft.com/data/udc/soap" xmlns:udcxf="http://schemas.microsoft.com/data/udc/xmlfile" xmlns:udcp2p="http://schemas.microsoft.com/data/udc/parttopart" xmlns:wf="http://schemas.microsoft.com/sharepoint/soap/workflow/" xmlns:dsss="http://schemas.microsoft.com/office/2006/digsig-setup" xmlns:dssi="http://schemas.microsoft.com/office/2006/digsig" xmlns:mdssi="http://schemas.openxmlformats.org/package/2006/digital-signature" xmlns:mver="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns:mrels="http://schemas.openxmlformats.org/package/2006/relationships" xmlns:spwp="http://microsoft.com/sharepoint/webpartpages" xmlns:ex12t="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:ex12m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:pptsl="http://schemas.microsoft.com/sharepoint/soap/SlideLibrary/" xmlns:spsl="http://microsoft.com/webservices/SharePointPortalServer/PublishedLinksService" xmlns:Z="urn:schemas-microsoft-com:" xmlns:st="" xmlns="http://www.w3.org/TR/REC-html40">
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<p class=MsoNormal>Hi,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal> 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<o:p></o:p></p>
<p class=MsoNormal>Now I am able to get Packages back from database and
loaded it in RuleBase.<o:p></o:p></p>
<p class=MsoNormal>But while executing Rule, I am getting the following
Exception.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>java.lang.NullPointerException<o:p></o:p></p>
<p class=MsoNormal>
at org.drools.base.ClassFieldReader.getValue(ClassFieldReader.java:91)<o:p></o:p></p>
<p class=MsoNormal>
at org.drools.base.evaluators.EqualityEvaluatorsDefinition$StringEqualEvaluator.evaluate(EqualityEvaluatorsDefinition.java:1962)<o:p></o:p></p>
<p class=MsoNormal>
at org.drools.rule.LiteralRestriction.isAllowed(LiteralRestriction.java:92)<o:p></o:p></p>
<p class=MsoNormal>
at org.drools.rule.OrCompositeRestriction.isAllowed(OrCompositeRestriction.java:25)<o:p></o:p></p>
<p class=MsoNormal>
at
org.drools.rule.MultiRestrictionFieldConstraint.isAllowed(MultiRestrictionFieldConstraint.java:97)<o:p></o:p></p>
<p class=MsoNormal>
at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:143)<o:p></o:p></p>
<p class=MsoNormal>
at
org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:360)<o:p></o:p></p>
<p class=MsoNormal>
at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:344)<o:p></o:p></p>
<p class=MsoNormal>
at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:185)<o:p></o:p></p>
<p class=MsoNormal>
at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:146)<o:p></o:p></p>
<p class=MsoNormal>
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1046)<o:p></o:p></p>
<p class=MsoNormal>
at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1001)<o:p></o:p></p>
<p class=MsoNormal>
at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:788)<o:p></o:p></p>
<p class=MsoNormal>
at org.drools.reteoo.ReteooStatelessSession.execute(ReteooStatelessSession.java:201)<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal> The
similar kind of issue is already logged by someone.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Please inform If anyone has an idea about this.<o:p></o:p></p>
<p class=MsoNormal>Waiting for Reply.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks & Regards,<o:p></o:p></p>
<p class=MsoNormal>Nikhil S. Kulkarni<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
</div>
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