[ 
https://issues.apache.org/jira/browse/NETBEANS-3283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Alessandro Falappa updated NETBEANS-3283:
-----------------------------------------
    Attachment: nb-graph-bug-thread-dump.txt

> POM graph creation freezes NetBeans
> -----------------------------------
>
>                 Key: NETBEANS-3283
>                 URL: https://issues.apache.org/jira/browse/NETBEANS-3283
>             Project: NetBeans
>          Issue Type: Bug
>          Components: projects - Maven
>    Affects Versions: 11.2
>            Reporter: Alessandro Falappa
>            Priority: Major
>         Attachments: nb-graph-bug-thread-dump.txt
>
>
> NetBeans freezes when creating the graph of dependencies for a NetBeans 
> Plugin maven project.
> Steps:
> * Clone [https://github.com/AlexFalappa/nb-springboot.git]
> * Open {{pom.xml}} file
> * Click on _Show Graph_
> Took a stacktrace dump of the process (attached) the relevant part should be:
> {code}
> "AWT-EventQueue-0" #23 prio=6 os_prio=0 cpu=774656.25ms elapsed=18594.28s 
> tid=0x000000002a2af800 nid=0x3a9c runnable  [0x000000002b87c000]
>    java.lang.Thread.State: RUNNABLE
>       at 
> java.util.Collections$UnmodifiableCollection$1.hasNext(java.base@11.0.4/Collections.java:1046)
>       at 
> org.netbeans.modules.java.graph.FruchtermanReingoldLayout.isThereFreeSpaceNonFixedSpace(FruchtermanReingoldLayout.java:351)
>       at 
> org.netbeans.modules.java.graph.FruchtermanReingoldLayout.relayoutNonFixed(FruchtermanReingoldLayout.java:391)
>       at 
> org.netbeans.modules.java.graph.FruchtermanReingoldLayout.doRelayoutNonFixed(FruchtermanReingoldLayout.java:371)
>       at 
> org.netbeans.modules.java.graph.FruchtermanReingoldLayout.performLayout(FruchtermanReingoldLayout.java:117)
>       at 
> org.netbeans.modules.java.graph.FruchtermanReingoldLayout.performLayout(FruchtermanReingoldLayout.java:69)
>       at 
> org.netbeans.api.visual.layout.SceneLayout$LayoutSceneListener.sceneValidated(SceneLayout.java:100)
>       at org.netbeans.api.visual.widget.Scene.validate(Scene.java:378)
>       at 
> org.netbeans.modules.java.graph.DependencyGraphScene.highlightDepth(DependencyGraphScene.java:691)
>       at 
> org.netbeans.modules.maven.graph.DependencyGraphTopComponent.maxPathSpinnerStateChanged(DependencyGraphTopComponent.java:468)
>       at 
> org.netbeans.modules.maven.graph.DependencyGraphTopComponent.access$1100(DependencyGraphTopComponent.java:97)
>       at 
> org.netbeans.modules.maven.graph.DependencyGraphTopComponent$9.stateChanged(DependencyGraphTopComponent.java:431)
>       at 
> javax.swing.JSpinner.fireStateChanged(java.desktop@11.0.4/JSpinner.java:461)
>       at 
> javax.swing.JSpinner$ModelListener.stateChanged(java.desktop@11.0.4/JSpinner.java:388)
>       at 
> javax.swing.AbstractSpinnerModel.fireStateChanged(java.desktop@11.0.4/AbstractSpinnerModel.java:120)
>       at 
> javax.swing.SpinnerNumberModel.setMaximum(java.desktop@11.0.4/SpinnerNumberModel.java:278)
>       at 
> org.netbeans.modules.maven.graph.DependencyGraphTopComponent$10$3.run(DependencyGraphTopComponent.java:636)
>       at 
> java.awt.event.InvocationEvent.dispatch(java.desktop@11.0.4/InvocationEvent.java:313)
>       at 
> java.awt.EventQueue.dispatchEventImpl(java.desktop@11.0.4/EventQueue.java:770)
>       at java.awt.EventQueue$4.run(java.desktop@11.0.4/EventQueue.java:721)
>       at java.awt.EventQueue$4.run(java.desktop@11.0.4/EventQueue.java:715)
>       at java.security.AccessController.doPrivileged(java.base@11.0.4/Native 
> Method)
>       at 
> java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@11.0.4/ProtectionDomain.java:85)
>       at 
> java.awt.EventQueue.dispatchEvent(java.desktop@11.0.4/EventQueue.java:740)
>       at 
> org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)
>       at 
> java.awt.EventDispatchThread.pumpOneEventForFilters(java.desktop@11.0.4/EventDispatchThread.java:203)
>       at 
> java.awt.EventDispatchThread.pumpEventsForFilter(java.desktop@11.0.4/EventDispatchThread.java:124)
>       at 
> java.awt.EventDispatchThread.pumpEventsForHierarchy(java.desktop@11.0.4/EventDispatchThread.java:113)
>       at 
> java.awt.EventDispatchThread.pumpEvents(java.desktop@11.0.4/EventDispatchThread.java:109)
>       at 
> java.awt.EventDispatchThread.pumpEvents(java.desktop@11.0.4/EventDispatchThread.java:101)
>       at 
> java.awt.EventDispatchThread.run(java.desktop@11.0.4/EventDispatchThread.java:90)
> {code}
>  



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