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This issue was reported manually by alexvsimon. It already has 1 duplicates Build: IDE for C, C++, and Fortran (Studio 12.5 Beta [2016/03/14 4323cca286a0]) VM: Java HotSpot(TM) 64-Bit Server VM, 25.74-b02, Java(TM) SE Runtime Environment, 1.8.0_74-b02 OS: SunOS User Comments: alexvsimon: press help Stacktrace: java.lang.IllegalArgumentException: view is invalid at javax.help.search.MergingSearchEngine.merge(MergingSearchEngine.java:91) at javax.help.JHelpSearchNavigator.merge(JHelpSearchNavigator.java:168) at javax.help.plaf.basic.BasicSearchNavigatorUI.addSubHelpSets(BasicSearchNavigatorUI.java:275) at javax.help.plaf.basic.BasicSearchNavigatorUI.reloadData(BasicSearchNavigatorUI.java:225) at javax.help.plaf.basic.BasicSearchNavigatorUI.installUI(BasicSearchNavigatorUI.java:174) at javax.swing.JComponent.setUI(JComponent.java:666)
Created attachment 158853 [details] stacktrace
Help does not work (apparently after fixing CR 22713459)
It looks like a build script bug. Some of the artifacts is not rebuild properly after touching help system. So I managed to fix build artifacts: - "hg clean" in both repositories (netbeans platform and studio platform) - rebuild netbeans and studio (rebuild studio requires rebuilding 5 suites) It is too difficult understand where bug is (especially if it between two repositories building scripts). Close as works for me.