java.lang.UnsupportedOperationException: command: clean, JavaRunner ...

[Peter Nabbefeld <pe...@gmx.de>]

Hello,

I'm getting the following exception when running and (re-)deploying a 
module in NB 10:

java.lang.UnsupportedOperationException: command: clean, JavaRunner 
impls: [org.netbeans.modules.java.source.ant.ProjectRunnerImpl@3a5bd107]
     at 
org.netbeans.api.java.project.runner.JavaRunner.execute(JavaRunner.java:303)
     at 
org.netbeans.modules.maven.cos.CosChecker.cleanGeneratedClassfiles(CosChecker.java:295)
     at 
org.netbeans.modules.maven.cos.CosChecker.touchProject(CosChecker.java:482)
     at 
org.netbeans.modules.maven.cos.CosChecker$CosPOH$1.propertyChange(CosChecker.java:643)
     at 
java.desktop/java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:341)
     at 
java.desktop/java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:333)
     at 
java.desktop/java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:266)
     at 
org.netbeans.modules.maven.api.NbMavenProject.doFireReload(NbMavenProject.java:550)
     at 
org.netbeans.modules.maven.api.NbMavenProject.access$200(NbMavenProject.java:72)
     at 
org.netbeans.modules.maven.api.NbMavenProject$AccessorImpl.doFireReload(NbMavenProject.java:118)
     at 
org.netbeans.modules.maven.NbMavenProjectImpl$1.run(NbMavenProjectImpl.java:130)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to
     at 
org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1459)
     at 
org.netbeans.modules.maven.NbMavenProjectImpl.fireProjectReload(NbMavenProjectImpl.java:463)
     at 
org.netbeans.modules.maven.api.NbMavenProject.fireProjectReload(NbMavenProject.java:544)
     at 
org.netbeans.modules.maven.api.NbMavenProject.fireMavenProjectReload(NbMavenProject.java:564)
     at 
org.netbeans.modules.maven.NbMavenProjectImpl$Updater.fileChanged(NbMavenProjectImpl.java:934)
     at 
org.openide.filesystems.FileChangeImpl.fileChanged(FileChangeImpl.java:111)
     at 
org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:153)
     at 
org.openide.filesystems.FCLSupport$DispatchEventWrapperSingle.dispatchAllEventsSync(FCLSupport.java:199)
     at 
org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:112)
     at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:80)
     at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1373)
     at 
org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:188)
     at 
org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:163)
     at 
org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:104)
     at 
org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:494)
     at 
org.netbeans.modules.maven.M2AuxilaryConfigImpl$2.run(M2AuxilaryConfigImpl.java:126)
     at 
org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
     at 
org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
     at org.openide.util.lookup.Lookups.executeWith(Lookups.java:278)
[catch] at 
org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)

At the moment, I'd just like to know, if this is a bug in Maven support 
or if it's just a problem restarting the "slave" IDE.

Steps to reproduce are in my case:
1. Start NB
2. Run the module project (which starts the "slave" IDE)
3. Try to re-deploy the module in the slave

As You can see, the stack trace shows an UnsupportedOperationException 
for the "clean" command, but it's caused by a problem at 
org.netbeans.modules.maven.NbMavenProjectImpl.fireProjectReload

Kind regards

Peter

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