JavaDialectError when attaching a new KBuilder to an existing session --------------------------------------------------------------------- Key: DROOLS-46 URL: https://issues.jboss.org/browse/DROOLS-46 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 5.5 Reporter: Edson Tirelli Assignee: Edson Tirelli Fix For: 5.6 Stack trace: {code} java.lang.RuntimeException: [JavaDialectError message='PackageStore was unable to read resourceName='java/lang.class''] [JavaDialectError message='PackageStore was unable to read resourceName='java/lang/Object.class''] [JavaDialectError message='PackageStore was unable to read resourceName='java/lang/package-info.class''] ... {code} Test case: {code:title=TestCase.java|borderStype=solid} @Test public void testDynamicRulesWithTypeDeclarations() { String type = "package com.sample\n" + "declare type Foo\n" + " id : int\n" + "end\n"; String r1 = "package com.sample\n" + "rule R1 when\n" + " not Foo()\n" + "then\n" + " insert( new Foo(1) );\n" + "end\n"; String r2 = "package com.sample\n" + "rule R2 when\n" + " $f : Foo()\n" + "then\n" + " $f.setId( 2 );\n" + "end\n"; KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); kbuilder.add( ResourceFactory.newByteArrayResource( type.getBytes() ), ResourceType.DRL ); assertFalse( kbuilder.getErrors().toString(), kbuilder.hasErrors() ); KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(); kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() ); StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); AgendaEventListener ael = mock( AgendaEventListener.class ); ksession.addEventListener( ael ); ksession.fireAllRules(); verify( ael, never() ).afterActivationFired( any( AfterActivationFiredEvent.class ) ); kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( kbase ); kbuilder.add( ResourceFactory.newByteArrayResource( r1.getBytes() ), ResourceType.DRL ); assertFalse( kbuilder.getErrors().toString(), kbuilder.hasErrors() ); ksession.fireAllRules(); ArgumentCaptor<AfterActivationFiredEvent> capt = ArgumentCaptor.forClass( AfterActivationFiredEvent.class ); verify( ael, times(1) ).afterActivationFired( capt.capture() ); assertThat( "R1", is( capt.getValue().getActivation().getRule().getName() ) ); kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( kbase ); kbuilder.add( ResourceFactory.newByteArrayResource( r2.getBytes() ), ResourceType.DRL ); assertFalse( kbuilder.getErrors().toString(), kbuilder.hasErrors() ); ksession.fireAllRules(); verify( ael, times(2) ).afterActivationFired( capt.capture() ); assertThat( "R2", is( capt.getAllValues().get( 2 ).getActivation().getRule().getName() ) ); ksession.dispose(); } {code}