java.lang.IllegalArgumentException: Unable to instantiate service for Class 'org.drools.compiler.compiler.BPMN2ProcessProvider'

Google Groups | Wang Cong | 10 months ago
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Root Cause Analysis

  1. java.lang.ClassCastException

    Cannot cast org.jbpm.bpmn2.BPMN2ProcessProviderImpl to org.drools.compiler.compiler.BPMN2ProcessProvider

    at java.lang.Class.cast()
  2. Java RT
    1. java.lang.Class.cast(
    1 frame
  3. KIE Internal
    1. org.kie.internal.utils.ServiceRegistryImpl.get(
    1 frame
  4. Drools :: Compiler
    1. org.drools.compiler.compiler.BPMN2ProcessFactory.loadProvider(
    2. org.drools.compiler.compiler.BPMN2ProcessFactory.getBPMN2ProcessProvider(
    3. org.drools.compiler.compiler.BPMN2ProcessFactory.configurePackageBuilder(
    4. org.drools.compiler.builder.impl.KnowledgeBuilderImpl.addKnowledgeResource(
    5. org.drools.compiler.builder.impl.KnowledgeBuilderImpl.add(
    6. org.drools.compiler.builder.impl.KnowledgeBuilderImpl.add(
    6 frames
  5. org.drools.impl
    1. org.drools.impl.KnowledgeBuilderImpl.add(
    1 frame
  6. com.sample
    1. com.sample.ProcessTest.readKnowledgeBase(
    2. com.sample.ProcessTest.main(
    2 frames