[rules-users] 5.3.0.Final throws RuntimeDroolsException: Unable to merge resource attribute for type declaration

[Edson Tirelli]

   Looks like a bug in the merging algorithm for types. Can any of you
please open a JIRA with a small test case and/or instructions on how to
reproduce plz?

   Thank you,
    Edson

On Fri, Dec 9, 2011 at 6:34 PM, jmgreen <john.green at hp.com> wrote:

> I was able to work around this problem by filtering out the
> KnowledgePackage
> containing my NormalizedEvent.   In Drools 5.2.0 there was no problem
> adding
> this KnowledgePackage multiple times but apparently 5.3.0 doesn't cope with
> it well.   I'm still not sure if that is a feature or a defect in 5.3.0.
> In any event doing the following make the exception go away.
>
> I'm still curious if this is a feature or a defect in 5.3.0.   Any thoughts
> or opinions regarding are welcome.
>
>
>    String globals = readDrlfile("globals.drl");
>    String newRules = readDrlfile("rulesToAdd.drl");
>    knowledgeBuilder.add(ResourceFactory.newReaderResource(new
> StringReader(globals + newRules)));
>    if (knowledgeBuilder.hasErrors()) {
>        throw exception ...
>    }
>    // No exception so compile succeeded --- BTW, it's using JANINO
>    Collection<KnowledgePackage> pkgs =
> knowledgeBuilder.getKnowledgePackages();
>
>
> pkgs=filterOutAnyPackageThatHasNoRulesAndNameMatchingNormalizeEventPackageName(pkgs);
>   knowledgeBase.addKnowledgePackages(pkgs);  // NO ERROR ANYMORE
>
>
>
>
> --
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-- 
  Edson Tirelli
  JBoss Drools Core Development
  JBoss by Red Hat @ www.jboss.com
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