[jboss-jira] [JBoss JIRA] (DROOLS-1511) NullPointerException when running sample projects

[Kris Verlaenen (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-1511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13430547#comment-13430547 ] 

Kris Verlaenen commented on DROOLS-1511:
----------------------------------------

[~tomasdavidorg] there were several severe issues fixed in a 7.0.1.Final release (and also on 7.0.x).  Can you verify if this resolved the issue on your side as well?

> NullPointerException when running sample projects
> -------------------------------------------------
>
>                 Key: DROOLS-1511
>                 URL: https://issues.jboss.org/browse/DROOLS-1511
>             Project: Drools
>          Issue Type: Bug
>          Components: eclipse plugin
>         Environment: DevStudio 10 + IS 10.3.0.CR2
> Eclipse Neon + Drools plugin 7.0.0.CR3
> Drools Runtime 7.x
>            Reporter: Tomas David
>            Assignee: Kris Verlaenen
>            Priority: Blocker
>              Labels: reported-by-qe
>             Fix For: 7.1.0.Final
>
>
> NullPointerException is thrown when running sample project using Drools and Java Runtime classes because KieSession is not created.
> Eclipse log:
> !SESSION 2017-04-04 12:39:38.638 -----------------------------------------------
> eclipse.buildId=4.6.3.M20170301-0400
> java.version=1.8.0_121
> java.vendor=Oracle Corporation
> BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
> Framework arguments:  -product org.eclipse.epp.package.jee.product
> Command-line arguments:  -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.jee.product
> !ENTRY org.drools.eclipse 4 120 2017-04-04 12:41:31.737
> !MESSAGE Internal error in Drools Plugin: 
> !STACK 1
> Java Model Exception: Java Model Status [Build path contains duplicate entry: 'DROOLS/Drools' for project 'TestProject']
> 	at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:786)
> 	at org.eclipse.jdt.internal.core.JavaProject.setRawClasspath(JavaProject.java:3097)
> 	at org.eclipse.jdt.internal.core.JavaProject.setRawClasspath(JavaProject.java:3059)
> 	at org.eclipse.jdt.internal.core.JavaProject.setRawClasspath(JavaProject.java:3112)
> 	at org.drools.eclipse.util.DroolsRuntimeManager.addBuilder(DroolsRuntimeManager.java:122)
> 	at org.drools.eclipse.action.ConvertToDroolsProjectAction.run(ConvertToDroolsProjectAction.java:45)
> 	at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:247)
> 	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:565)
> 	at org.eclipse.jface.action.ActionContributionItem.lambda$4(ActionContributionItem.java:397)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5227)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1340)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4561)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4151)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
> 	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)
> 	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1519)
> 	at org.eclipse.equinox.launcher.Main.main(Main.java:1492)
> !SUBENTRY 1 org.eclipse.jdt.core 4 977 2017-04-04 12:41:31.739
> !MESSAGE Build path contains duplicate entry: 'DROOLS/Drools' for project 'TestProject'



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