sgtblikey opened a new issue, #4227:
URL: https://github.com/apache/netbeans/issues/4227
### Apache NetBeans version
Apache NetBeans 13
### What happened
Applies in both Apache Netbeans 14 and 13.
While module-info.java is loaded into editor window, click Graph view button
(of Source, History, Graph). No graph display and an Unexpected Exception
notification is generated.
Priority: Silent; Category: Error.
Cannot invoke "org.netbeans.modules.java.graph.GraphNode.getImpl()" because
the return value of
"org.netbeans.modules.java.graph.DependencyGraphScene.getRootGraphNode()" is
null.
Full text is:
java.lang.NullPointerException: Cannot invoke
"org.netbeans.modules.java.graph.GraphNode.getImpl()" because the return value
of "org.netbeans.modules.java.graph.DependencyGraphScene.getRootGraphNode()" is
null
at
org.netbeans.modules.java.graph.DependencyGraphScene.highlightDepth(DependencyGraphScene.java:690)
at
org.netbeans.modules.java.graph.DependencyGraphScene.highlightDepthIntern(DependencyGraphScene.java:706)
at
org.netbeans.modules.java.graph.DependencyGraphScene.access$900(DependencyGraphScene.java:75)
at
org.netbeans.modules.java.graph.DependencyGraphScene$AllActionsProvider.select(DependencyGraphScene.java:672)
at
org.netbeans.modules.visual.action.SelectAction.mousePressed(SelectAction.java:69)
at
org.netbeans.api.visual.action.WidgetAction$Chain.mousePressed(WidgetAction.java:749)
at
org.netbeans.api.visual.widget.SceneComponent$Operator$2.operate(SceneComponent.java:529)
at
org.netbeans.api.visual.widget.SceneComponent.processLocationOperator(SceneComponent.java:306)
at
org.netbeans.api.visual.widget.SceneComponent.processLocationOperator(SceneComponent.java:261)
at
org.netbeans.api.visual.widget.SceneComponent.mousePressed(SceneComponent.java:133)
at
java.desktop/java.awt.Component.processMouseEvent(Component.java:6623)
at
java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3389)
at java.desktop/java.awt.Component.processEvent(Component.java:6391)
at java.desktop/java.awt.Container.processEvent(Container.java:2266)
at
java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5001)
at
java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4833)
at
java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4948)
at
java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4572)
at
java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4516)
at
java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2310)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2780)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4833)
at
java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:773)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:716)
at
java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:97)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:746)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:744)
at
java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:743)
at
org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)
[catch] at
java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at
java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at
java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at
java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at
java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at
java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
### How to reproduce
Load a project, open module-info.java in the editor, click Graph button.
### Did this work correctly in an earlier version?
No
### Operating System
macos Monterey 12.4 (on Apple M1 Max)
### JDK
zulu17.34.19-ca-fx-jdk17.0.3-macosx_aarch64 (java --version: openjdk 17.0.3
2022-04-19 LTS OpenJDK Runtime Environment Zulu17.34+19-CA (build 17.0.3+7-LTS)
OpenJDK 64-Bit Server VM Zulu17.34+19-CA (build 17.0.3+7-LTS, mixed mode,
sharing)
### Apache NetBeans packaging
Apache NetBeans provided installer
### Anything else
As far as I can tell (I'm a very new user), this happens every time in both
v13 and v14.
### Are you willing to submit a pull request?
No
### Code of Conduct
Yes
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