java.lang.IllegalArgumentException: Already listening to C:\Users\scott\dev\StreamTrunk\StreamJava\BatchProcessor\test
        at org.openide.filesystems.FileUtil.addFileChangeListener(FileUtil.java:242)
        at org.netbeans.modules.java.api.common.SourceRoots$ProjectMetadataListener.add(SourceRoots.java:511)
        at org.netbeans.modules.java.api.common.SourceRoots$4.run(SourceRoots.java:257)
        at org.netbeans.modules.java.api.common.SourceRoots$4.run(SourceRoots.java:235)
        at org.openide.util.Mutex.readAccess(Mutex.java:285)
        at org.netbeans.modules.java.api.common.SourceRoots.getRootURLs(SourceRoots.java:235)
        at org.netbeans.modules.java.api.common.classpath.SourcePathImplementation.getResources(SourcePathImplementation.java:159)
        at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:295)
        at org.netbeans.api.java.classpath.ClassPath.getRoots(ClassPath.java:246)
        at org.netbeans.modules.parsing.spi.indexing.support.QuerySupport.getClasspathRoots(QuerySupport.java:395)
        at org.netbeans.modules.parsing.spi.indexing.support.QuerySupport.collectClasspathRoots(QuerySupport.java:358)
        at org.netbeans.modules.parsing.spi.indexing.support.QuerySupport.findRoots(QuerySupport.java:176)
        at org.netbeans.modules.tasklist.impl.Loader.run(Loader.java:87)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:577)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1030)