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Build: NetBeans IDE 6.1 (Build 200804211638) VM: Java HotSpot(TM) Client VM, 1.6.0-b105, Java(TM) SE Runtime Environment, 1.6.0-b105 OS: Windows 2003, 5.2, x86 User Comments: Stacktrace: java.lang.IllegalArgumentException: Project Energy is not open and cannot be set as main. at org.netbeans.modules.project.ui.OpenProjectList.setMainProject(OpenProjectList.java:764) at org.netbeans.modules.project.ui.actions.MainProjectAction.showNoMainProjectWarning(MainProjectAction.java:211) at org.netbeans.modules.project.ui.actions.MainProjectAction.actionPerformed(MainProjectAction.java:111) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
Created attachment 66587 [details] stacktrace
*** This issue has been marked as a duplicate of 103644 ***