java.lang.NullPointerException
   at org.netbeans.modules.javascript.nodejs.exec.NpmExecutable.stopRunningScript(NpmExecutable.java:346)
   at org.netbeans.modules.javascript.nodejs.exec.NpmExecutable.runScript(NpmExecutable.java:153)
   at org.netbeans.modules.javascript.nodejs.ui.actions.NpmRunScriptAction$1$1.run(NpmRunScriptAction.java:193)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)