Did you recompile the packages in Guvnor, there is a button for that.
Server and client must all be on the same version, as well as compiled
Packages.
Mark
On 03/12/2010 16:15, John Peterson wrote:
I'm getting the following error when I attempt torun my Drools
application. I recently upgraded from Drools 5.0.1 and Guvnor 5.0.1
to 5.1.1 (for both). I've looked through the rules-users list and I
found the issue with the XML Change Set (authentication), which I've
addressed (XML listed at the bottom), but I'm still getting the
error. Does anyone have any ideas or can point me in a particular
direction?
Thanks
Error:
[2010:12:337 09:12:373:debug] KnowledgeAgent mapping
resource=[ClassPathResource path='ruleflow.rf'] to
knowledgedefinition=org.drools.ruleflow.core.ruleflowproc...@2d89ba2a
[2010:12:337 09:12:373:exception]
_java.lang.RuntimeException_: KnowledgeAgent exception while trying to
deserialize KnowledgeDefinitionsPackage
at
org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(_KnowledgeAgentImpl.java:914_)
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(_KnowledgeAgentImpl.java:704_)
at
org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(_KnowledgeAgentImpl.java:584_)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(_KnowledgeAgentImpl.java:185_)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(_KnowledgeAgentImpl.java:168_)
at
com.agencyawards2.RuleSessionProviderFactory.getSessionFactory(_RuleSessionProviderFactory.java:102_)
at
com.agencyawards2.RuleSessionProviderFactory.getProvider(_RuleSessionProviderFactory.java:30_)
at com.agencyawards2.RunRules.runRules(_RunRules.java:25_)
at com.agencyawards2.DroolsTest.main(_DroolsTest.java:36_)
Caused by:_java.lang.NullPointerException_
at org.drools.process.core.impl.ProcessImpl.equals(_ProcessImpl.java:134_)
at java.util.HashMap.put(Unknown Source)
at java.util.HashSet.add(Unknown Source)
at
org.drools.agent.impl.KnowledgeAgentImpl$RegisteredResourceMap.putDefinition(_KnowledgeAgentImpl.java:1150_)
at
org.drools.agent.impl.KnowledgeAgentImpl.addDefinitionMapping(_KnowledgeAgentImpl.java:1037_)
at
org.drools.agent.impl.KnowledgeAgentImpl.buildResourceMapping(_KnowledgeAgentImpl.java:496_)
at
org.drools.agent.impl.KnowledgeAgentImpl.buildResourceMapping(_KnowledgeAgentImpl.java:443_)
at
org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(_KnowledgeAgentImpl.java:912_)
... 8 more
Change Set:
*<?xml version="1.0" encoding="UTF-8" ?> *
*- <change-set xmlns="http://drools.org/drools-5.0/change-set";
xmlns:xs="http://www.w3.org/2001/XMLSchema-instance";
xs:schemaLocation="http://drools.org/drools-5.0/change-set
drools-change-set-5.0.xsd">*
*- <add>*
*<resource
source="http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/com.agencyawards2/LATEST";
type="PKG" basicAuthentication="enabled" username="admin"
password="admin" /> *
*</add>*
*</change-set>*
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