[jboss-jira] [JBoss JIRA] Created: (JBRULES-3022) drools example does not compile in Eclipse.

[Jervis Liu (JIRA)]

drools example does not compile in Eclipse.
-------------------------------------------

                 Key: JBRULES-3022
                 URL: https://issues.jboss.org/browse/JBRULES-3022
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 5.2.0.M2
            Reporter: Jervis Liu
            Assignee: Mark Proctor
            Priority: Critical
             Fix For: 5.2.0.CR1


drools example does not compile in Eclipse. How to reproduce:
1. download drools distribution from https://hudson.qa.jboss.com/hudson/view/Drools%20jBPM/job/drools-5.2.x/3/ 
2. generate eclipse project using the pom provided: mvn eclipse:eclipse
3. Import project into Eclipse
4. There are several errors in Eclipse

Description	Resource	Path	Location	Type
[ERR 102] Line 738:55 mismatched input '||' in rule "end_visit"	waltzdb.drl	/drools-examples/src/main/resources/org/drools/benchmark/waltzdb	line 738	Drools Error

Description	Resource	Path	Location	Type
Line 754:0 unexpected exception at input 'rule'. Exception: java.util.EmptyStackException. Stack trace:
 java.util.EmptyStackException
	at java.util.Stack.peek(Unknown Source)
	at java.util.Stack.pop(Unknown Source)
	at org.drools.lang.ParserHelper.popParaphrases(ParserHelper.java:409)
	at org.drools.lang.ParserHelper.end(ParserHelper.java:723)
	at org.drools.lang.DRLParser.rule(DRLParser.java:915)
	at org.drools.lang.DRLParser.statement(DRLParser.java:248)
	at org.drools.lang.DRLParser.compilationUnit(DRLParser.java:143)
	at org.drools.compiler.DrlParser.compile(DrlParser.java:225)
	at org.drools.compiler.DrlParser.parse(DrlParser.java:64)
	at org.drools.eclipse.DroolsEclipsePlugin.generateParsedResource(DroolsEclipsePlugin.java:414)
	at org.drools.eclipse.DroolsEclipsePlugin.generateParsedResource(DroolsEclipsePlugin.java:359)
	at org.drools.eclipse.DroolsEclipsePlugin.parseResource(DroolsEclipsePlugin.java:272)
	at org.drools.eclipse.builder.DroolsBuilder.parseDRLFile(DroolsBuilder.java:278)
	at org.drools.eclipse.builder.DroolsBuilder.parseResource(DroolsBuilder.java:189)
	at org.drools.eclipse.builder.DroolsBuilder$DroolsBuildVisitor.visit(DroolsBuilder.java:147)
	at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:112)
	at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:64)
	at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
	at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
	at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
	at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
	at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
	at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
	at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
	at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
	at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
	at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:127)
	at org.eclipse.core.internal.resources.Resource.accept(Resource.java:74)
	at org.eclipse.core.internal.resources.Resource.accept(Resource.java:110)
	at org.eclipse.core.internal.resources.Resource.accept(Resource.java:94)
	at org.drools.eclipse.builder.DroolsBuilder.fullBuild(DroolsBuilder.java:131)
	at org.drools.eclipse.builder.DroolsBuilder.build(DroolsBuilder.java:93)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:629)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:172)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:203)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:255)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:258)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:311)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:343)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
	waltzdb.drl	/drools-examples/src/main/resources/org/drools/benchmark/waltzdb	line 0	Drools Error


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