This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
Build: NetBeans IDE Dev (Build 201604100404) VM: Java HotSpot(TM) 64-Bit Server VM, 25.72-b15, Java(TM) SE Runtime Environment, 1.8.0_72-b15 OS: Windows 10 User Comments: terje7601: OpenJDK modules terje7601: OpenJDK modules terje7601: Trying to work with OpenJDK modules terje7601: OpenJDK modules terje7601: OpenJDK modules terje7601: OpenJDK modules Stacktrace: java.lang.IllegalArgumentException: Already listening to D:\jdk9_dev\jaxws\src\java.activation\windows\classes new listener : org.netbeans.modules.jdk.project.SourcesImpl@22a1a1bd holder listener: org.netbeans.modules.jdk.project.SourcesImpl@22a1a1bd at org.openide.filesystems.FileChangeImpl.addFileChangeListenerImpl(FileChangeImpl.java:237) at org.openide.filesystems.FileUtil.addFileChangeListener(FileUtil.java:295) at org.netbeans.modules.jdk.project.SourcesImpl.recompute(SourcesImpl.java:155) at org.netbeans.modules.jdk.project.SourcesImpl.getSourceGroups(SourcesImpl.java:101) at org.netbeans.modules.versioning.core.ProjectMenuItem.getRootFilesForProjectNodes(ProjectMenuItem.java:218) at org.netbeans.modules.versioning.core.ProjectMenuItem.createItems(ProjectMenuItem.java:99)
Created attachment 159192 [details] stacktrace