[jboss-jira] [JBoss JIRA] (DROOLS-403) Use of drools karaf feature required activated bundle to import drools packages

[Gary Brown (JIRA)]

Gary Brown created DROOLS-403:
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             Summary: Use of drools karaf feature required activated bundle to import drools packages
                 Key: DROOLS-403
                 URL: https://issues.jboss.org/browse/DROOLS-403
             Project: Drools
          Issue Type: Enhancement
      Security Level: Public (Everyone can see)
    Affects Versions: 6.0.0.CR5
            Reporter: Gary Brown
            Assignee: Mark Proctor


Currently porting rtgov to Karaf, which uses Drools as one of the event processor implementations, using the KIE API: https://github.com/Governance/rtgov/blob/master/modules/event-processor/ep-drools/src/main/java/org/overlord/rtgov/ep/drools/DroolsEventProcessor.java

When the bundle is activated, that registers the event processor, its drools rule and associated user defined classes, etc, it results in class loading issues if the following packages are not defined in the Import-Package of the activated (i.e. client) bundle:

org.drools.core.conflict,org.drools.core.rule.builder.dialect.asm,org.drools.core.spi,org.drools.core.reteoo,org.drools.core,org.drools.core.common,org.drools.core.rule

The exceptions occur when the drools classes are being loaded via the ProjectClassLoader class. Ideally client bundles should only be importing the kie packages, as the drools classes should be internal implementation details.



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