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This bug was originally marked as duplicate of bug 229903, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.1 (Build 201510222201) VM: Java HotSpot(TM) 64-Bit Server VM, 25.31-b07, Java(TM) SE Runtime Environment, 1.8.0_31-b13 OS: Windows 8 User Comments: GUEST: can't change the password and the port of Apache Tomcat server Stacktrace: org.netbeans.modules.masterfs.filebasedfs.utils.FSException: Cannot get exclusive access to C:\Program Files\Apache Software Foundation\Apache Tomcat 8.0.27\conf\server.xml@2532ed6:7cf1b09c (probably opened for reading). at org.netbeans.modules.masterfs.filebasedfs.utils.FSException.io(FSException.java:118) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.MutualExclusionSupport.addResource(MutualExclusionSupport.java:103) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.getOutputStream(FileObj.java:129) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.getOutputStream(FileObj.java:104) at org.openide.text.DataEditorSupport$Env.outputStream(DataEditorSupport.java:915) at org.openide.text.CloneableEditorSupport.saveDocumentImpl(CloneableEditorSupport.java:772)
Created attachment 157516 [details] stacktrace