java.io.IOException: File C:\Documents and Settings\JL89798\.netbeans\dev\var\cache\mavenindex\java.net2\_5.prx unable to be deleted.
        at hidden.org.codehaus.plexus.util.FileUtils.forceDelete(FileUtils.java:1246)
        at hidden.org.codehaus.plexus.util.FileUtils.cleanDirectory(FileUtils.java:1459)
        at hidden.org.codehaus.plexus.util.FileUtils.deleteDirectory(FileUtils.java:1410)
        at org.netbeans.modules.maven.indexer.NexusRepositoryIndexerImpl.loadIndexingContext(NexusRepositoryIndexerImpl.java:282)
        at org.netbeans.modules.maven.indexer.NexusRepositoryIndexerImpl.access$300(NexusRepositoryIndexerImpl.java:137)
        at org.netbeans.modules.maven.indexer.NexusRepositoryIndexerImpl$1.run(NexusRepositoryIndexerImpl.java:429)
Caused: org.openide.util.MutexException: java.io.IOException: File C:\Documents and Settings\JL89798\.netbeans\dev\var\cache\mavenindex\java.net2\_5.prx unable to be deleted.
        at org.openide.util.Mutex.writeAccess(Mutex.java:437)
        at org.netbeans.modules.maven.indexer.NexusRepositoryIndexerImpl.indexRepo(NexusRepositoryIndexerImpl.java:420)
        at org.netbeans.modules.maven.indexer.api.RepositoryIndexer.indexRepo(RepositoryIndexer.java:59)
        at org.netbeans.modules.maven.ModInstall$1.run(ModInstall.java:150)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)