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Steps to reproduce: - create Java application in home dir. - delete the application with sources. While deleting IDE asks several times "exist" for not existing files. See example of log: WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,558 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 2,003 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,502 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,700 ms in new File("/home/pom.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,839 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,706 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,704 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,903 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,500 ms in new File("/home/src/main/webapp").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,837 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,689 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,498 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,700 ms in new File("/home/nbproject/configurations.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 2,201 ms in new File("/home/grails-app").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,890 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 2,127 ms in new File("/home/nbproject/project.xml").exists() WARNING [org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager]: 1,500 ms in new File("/home/nbproject/project.xml").exists() As result the deleting of simplest project takes about 30 seconds
Created attachment 153348 [details] profiling snapshot
Correction: create java application in default dir, i.e. /home/user/NetBeansProjects/JavaApplication1