Boa noite a todos,
o netbeans tá gerando esse erro toda hora o que pode ser?
java.lang.NullPointerException
at org.netbeans.modules.swingapp.AppFrameworkSupport$2.run(AppFrameworkSupport.java:382)
at org.netbeans.modules.swingapp.AppFrameworkSupport$2.run(AppFrameworkSupport.java:368)
at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:616)
at org.netbeans.modules.swingapp.AppFrameworkSupport.getAppClassNameFromFile(AppFrameworkSupport.java:365)
at org.netbeans.modules.swingapp.AppFrameworkSupport.scanFolderForApplication(AppFrameworkSupport.java:343)
at org.netbeans.modules.swingapp.AppFrameworkSupport.scanFolderForApplication(AppFrameworkSupport.java:351)
at org.netbeans.modules.swingapp.AppFrameworkSupport.findApplicationClass(AppFrameworkSupport.java:328)
at org.netbeans.modules.swingapp.AppFrameworkSupport.getApplicationClassName(AppFrameworkSupport.java:211)
at org.netbeans.modules.swingapp.AppFrameworkSupport.getApplicationClassName(AppFrameworkSupport.java:170)
at org.netbeans.modules.swingapp.AppFrameworkSupport.isFrameworkEnabledProject(AppFrameworkSupport.java:101)
at org.netbeans.modules.swingapp.ActionManager.getActionManager(ActionManager.java:141)
at org.netbeans.modules.swingapp.ActionRescanJavaSourceTaskFactoryImpl$RescanTask.run(ActionRescanJavaSourceTaskFactoryImpl.java:70)
at org.netbeans.modules.swingapp.ActionRescanJavaSourceTaskFactoryImpl$RescanTask.run(ActionRescanJavaSourceTaskFactoryImpl.java:59)
at org.netbeans.api.java.source.JavaSource$CompilationJob.run(JavaSource.java:1551)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
[catch] at java.lang.Thread.run(Thread.java:619)