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  1. Drools
  2. DROOLS-1469

Using ExternalSpreadsheetCompiler in osgi throws java.lang.ClassNotFoundException

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: Major Major
    • 7.0.0.Beta8
    • None
    • core engine
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    • NEW
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      Trying to compile a rule template using ExternalSpreadsheetCompiler, the rule compilation works correctly in stand alone eclipse project, but when done inside an OSGI bundle the following exception is throw at runtime:

      java.lang.ClassNotFoundException: Unable to find class 'org.drools.template.parser.DefaultGenerator'
      	at org.drools.core.base.ClassTypeResolver.resolveType(ClassTypeResolver.java:241)
      	at org.drools.core.base.ClassTypeResolver.resolveType(ClassTypeResolver.java:130)
      	at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.processGlobals(KnowledgeBuilderImpl.java:1640)
      	at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.processOtherDeclarations(KnowledgeBuilderImpl.java:1613)
      	at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.mergePackage(KnowledgeBuilderImpl.java:1605)
      	at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.addPackage(KnowledgeBuilderImpl.java:980)
      	at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.addPackageFromDrl(KnowledgeBuilderImpl.java:365)
      	at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.addPackageFromDrl(KnowledgeBuilderImpl.java:341)
      	at org.drools.template.parser.DefaultTemplateRuleBase.readKnowledgeBase(DefaultTemplateRuleBase.java:133)
      	at org.drools.template.parser.DefaultTemplateRuleBase.<init>(DefaultTemplateRuleBase.java:56)
      	at org.drools.template.parser.TemplateDataListener.<init>(TemplateDataListener.java:74)
      	at org.drools.decisiontable.ExternalSpreadsheetCompiler.compile(ExternalSpreadsheetCompiler.java:99)
      	at org.drools.decisiontable.ExternalSpreadsheetCompiler.compile(ExternalSpreadsheetCompiler.java:85)
      	at com.mlnms.common.fmwk.drools.impl.DroolsBundleTracker.compileRules(DroolsBundleTracker.java:204)
      	at com.mlnms.common.fmwk.drools.impl.DroolsBundleTracker.addNewRulesFromContexts(DroolsBundleTracker.java:183)
      	at com.mlnms.common.fmwk.drools.impl.DroolsBundleTracker.addingBundle(DroolsBundleTracker.java:119)
      	at com.mlnms.common.fmwk.drools.impl.DroolsBundleTracker.addingBundle(DroolsBundleTracker.java:67)
      	at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:467)
      

              mfusco@redhat.com Mario Fusco
              mfusco@redhat.com Mario Fusco
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