[rules-users] ERROR: stream classdesc serialVersionUID = 5166066541265170937, local class serialVersionUID = 8808844570772337501

[Wolfgang Laun]

Don't use those SNAPSHOT jars - get the 5.2.0.FINAL ones.
-W


On 18 July 2011 11:11, gbelin <gbelin_saiz at hotmail.com> wrote:

> Hi there,
>
> I am trying load the example package mortgages with
> /
> KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent(
> "MortgageAgent" );
> kagent.applyChangeSet( ResourceFactory.newUrlResource(
> "
> http://localhost:8080/guvnor-webapp/org.drools.guvnor.Guvnor/package/mortgages/LATEST/ChangeSet.xml
> "
> ) );
> KnowledgeBase kbase = kagent.getKnowledgeBase();/
>
> the execution of the "applyChangeSet" produces the error:
>
>
> /java.lang.RuntimeException: KnowledgeAgent exception while trying to
> deserialize KnowledgeDefinitionsPackage
>        at
>
> org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:732)
>        at
>
> org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:965)
>        at
>
> org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:774)
>        at
>
> org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:646)
>        at
>
> org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:190)
>        at
>
> org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:172)
>        at com.sample.DroolsTest.main(DroolsTest.java:42)
> Caused by: java.io.InvalidClassException:
> org.drools.rule.MVELDialectRuntimeData; local class incompatible: stream
> classdesc serialVersionUID = 5166066541265170937, local class
> serialVersionUID = 8808844570772337501
>        at java.io.ObjectStreamClass.initNonProxy(Unknown Source)
>
>
> /
>
>
> I suppose it is a problem with different versions of any library, but I do
> not know which one, I think I have the latest version of all libraries ...
>
> My development environment:
>
> Server:
>  Apache Tomcat  6.0.26
>  Guvnor server Version 5.2.0.Final
>
> Client:
>  Eclipse 3.5 Galileo
>  Java jre6
>  mvel2.jar version 2.0.19
>  drools-api.jar Bundle-Version: 5.2.0.SNAPSHOT
>  drools-core.jar Bundle-Version: 5.2.0.SNAPSHOT
>
>
> Thanks in advance.
>
>
>
>
> --
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>
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