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java.lang.NullPointerException at org.netbeans.modules.j2ee.deployment.impl.query.J2eePlatformSourceForBinaryQuery.findSourceRoots (J2eePlatformSourceForBinaryQuery.java:75) at org.netbeans.api.java.queries.SourceForBinaryQuery.findSourceRoots (SourceForBinaryQuery.java:70) at org.netbeans.modules.javacore.classpath.FilterClassPathImplementation.createResources (FilterClassPathImplementation.java:121) at org.netbeans.modules.javacore.classpath.FilterClassPathImplementation.<init> (FilterClassPathImplementation.java:63) at org.netbeans.modules.javacore.classpath.FilterClassPathImplementation.createClassPath (FilterClassPathImplementation.java:212) at org.netbeans.modules.javacore.ExclusiveMutex.setClassPath(ExclusiveMutex.java:414) at org.netbeans.modules.javacore.JMManager.setClassPath(JMManager.java:448) at org.netbeans.modules.javacore.JMManager.setClassPath(JMManager.java:443) at org.netbeans.modules.javacore.JMManager.setClassPath(JMManager.java:452) at org.netbeans.modules.javacore.api.JavaModel.setClassPath(JavaModel.java:50) at org.netbeans.modules.java.j2seproject.MainClassUpdater$2.run(MainClassUpdater.java:145) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:499) [catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:932)
*** This issue has been marked as a duplicate of 81567 ***