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Created attachment 132325 [details] Screenshot I'm unable to delete a jar file which is somehow open in NetBeans. SEVERE [org.openide.util.Exceptions] msg Caused: org.netbeans.modules.masterfs.filebasedfs.utils.FSException: Cannot delete file nb-javac-api.jar in D:/work/jet-main/libs.javacapi/external. at org.netbeans.modules.masterfs.filebasedfs.utils.FSException.io(FSException.java:118) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.BaseFileObj.delete(BaseFileObj.java:794) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.BaseFileObj$2.call(BaseFileObj.java:763) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.BaseFileObj$2.call(BaseFileObj.java:758) at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem.runAsInconsistent(FileBasedFileSystem.java:119) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.BaseFileObj.delete(BaseFileObj.java:772) at org.openide.loaders.FileEntry.delete(FileEntry.java:140) at org.openide.loaders.MultiDataObject.handleDelete(MultiDataObject.java:633) at org.openide.loaders.DataObject$4.run(DataObject.java:676) at org.openide.loaders.DataObject$1WrapRun.run(DataObject.java:919) at org.openide.loaders.DataObjectPool$1WrapAtomicAction.run(DataObjectPool.java:261) at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127) at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:609) at org.openide.loaders.DataObjectPool.runAtomicAction(DataObjectPool.java:273) at org.openide.loaders.DataObject.invokeAtomicAction(DataObject.java:939) at org.openide.loaders.DataObject.delete(DataObject.java:674) at org.openide.loaders.DataNode.destroy(DataNode.java:315) at org.openide.nodes.FilterNode.destroy(FilterNode.java:601) at org.openide.nodes.FilterNode.destroy(FilterNode.java:601) at org.openide.nodes.FilterNode.destroy(FilterNode.java:601) at org.openide.nodes.FilterNode.destroy(FilterNode.java:601) [catch] at org.netbeans.modules.refactoring.spi.impl.SafeDeleteAction$2.run(SafeDeleteAction.java:179) at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127) at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:609) at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:415) at org.netbeans.modules.refactoring.spi.impl.SafeDeleteAction.delete(SafeDeleteAction.java:174) at org.netbeans.modules.openide.explorer.ExplorerActionsImpl$DeleteActionPerformer.actionPerformed(ExplorerActionsImpl.java:652) at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:93) at org.openide.util.actions.ActionInvoker$ActionRunnable.actionPerformed(ActionInvoker.java:162) at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:109) at org.netbeans.modules.openide.actions.ActionsBridgeImpl.invokeAction(ActionsBridgeImpl.java:60) at org.openide.util.actions.ActionInvoker$ActionRunnable.doRun(ActionInvoker.java:153) at org.openide.util.actions.ActionInvoker$2.run(ActionInvoker.java:110) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2044) ALL [null]: Cannot delete file nb-javac-api.jar in D:/work/jet-main/libs.javacapi/external.
Product Version: NetBeans IDE Dev (Build 20130307-11d390199537) Java: 1.7.0_17; Java HotSpot(TM) 64-Bit Server VM 23.7-b01 Runtime: Java(TM) SE Runtime Environment 1.7.0_17-b02 System: Windows 8 version 6.2 running on amd64; Cp1252; nl_NL (nb)
Who has a reference to that file? Certainly not module system.