[JBoss JIRA] (DROOLS-1511) NullPointerException when running sample projects
by Tomas David (JIRA)
[ https://issues.jboss.org/browse/DROOLS-1511?page=com.atlassian.jira.plugi... ]
Tomas David updated DROOLS-1511:
--------------------------------
Description:
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'
was:
NullPointerException is thrown when running sample project using Drools and Java Runtime classes because KieSession is not created.
!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'
> 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: 7.0.0-SNAPSHOT
> Reporter: Tomas David
> Assignee: Robert (Bob) Brodt
> Priority: Blocker
> Labels: reported-by-qe
>
> 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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This message was sent by Atlassian JIRA
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8 years, 7 months
[JBoss JIRA] (DROOLS-1511) NullPointerException when running sample projects
by Tomas David (JIRA)
Tomas David created DROOLS-1511:
-----------------------------------
Summary: 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: 7.0.0-SNAPSHOT
Reporter: Tomas David
Assignee: Robert (Bob) Brodt
Priority: Blocker
NullPointerException is thrown when running sample project using Drools and Java Runtime classes because KieSession is not created.
{{!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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This message was sent by Atlassian JIRA
(v7.2.3#72005)
8 years, 7 months
[JBoss JIRA] (DROOLS-1511) NullPointerException when running sample projects
by Tomas David (JIRA)
[ https://issues.jboss.org/browse/DROOLS-1511?page=com.atlassian.jira.plugi... ]
Tomas David updated DROOLS-1511:
--------------------------------
Description:
NullPointerException is thrown when running sample project using Drools and Java Runtime classes because KieSession is not created.
!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'
was:
NullPointerException is thrown when running sample project using Drools and Java Runtime classes because KieSession is not created.
{{!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'
}}
> 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: 7.0.0-SNAPSHOT
> Reporter: Tomas David
> Assignee: Robert (Bob) Brodt
> Priority: Blocker
> Labels: reported-by-qe
>
> NullPointerException is thrown when running sample project using Drools and Java Runtime classes because KieSession is not created.
> !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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