Error "Could not initialize class org.kie.internal.utils.ServiceRegistryImpl" appear when managing sample business process
Issue
I created sample jBPM project by JBDS 8 like the following.
- select [File]→[New]→[other]
- select [jBPM project] in [jBPM] and then click [Next]
- input project name
- select [a more advanced process including human tasks and persistence] and then click
- select [jBPM 6 or above] and then click [Finish]
- open sample.bpmn
When opening business process 'sample.bpm' in this project, the following 2 kind of error appear randomly.
- Could not initialize class org.kie.internal.utils.ServiceRegistryImpl
- SOLVER
This business process can be run by JUnit test even though above error happens.
This seems to happen more frequently on Windows environment and performing Project -> Clear sometimes trigger of these error.
How can I solve this error?
Environment
- JBoss Developer Studio 8.1.0
- JBoss Developer Studio Integration Stack 8.0.7
- "JBoss Drools Core" plugin 6.2/6.3
- Windows 7 Professional SP1
- JBoss BRMS 6.3.0
Note: It's also reported with JBDS 9.1 / Integration Stack 9. The root factor is "JBoss Drools Core" plugin version.
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