Illegalstateexception

I was fiddling with the Netbeans Visual Library again, trying to show a complex graph on screen and I run into a problem: There were so many connection in the graph that some widgets were hard to read because the ConnectionWidget arrows were printed over them. So I tried to I try to rearrange the order of my LayerWidgets to paint the LabelWidgets on top of ConnectionWidgets. A call to mainLayer.bringToFront() should be enough, but this is what I got when I tried that: ...

My first try with the Netbeans Paint Application tutorial didn’t work as expected. For some reason I got this stack trace when I tried to run it: java.lang.IllegalStateException: Module was supposed to be OK: StandardModule:org.netbeans.modules.projectuiapi jarFile: C:\Program Files\NetBeans 6.0\ide8\modules\org-netbeans-modules-projectuiapi.jar at org.netbeans.ModuleManager.maybeAddToEnableList(ModuleManager.java:1087) at org.netbeans.ModuleManager.maybeAddToEnableList(ModuleManager.java:1104) at org.netbeans.ModuleManager.maybeAddToEnableList(ModuleManager.java:1104) at org.netbeans.ModuleManager.simulateEnable(ModuleManager.java:1048) at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:379) at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:341) at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:275) at org.netbeans.core.startup.Main.getModuleSystem(Main.java:171) at org.netbeans.core.startup.Main.start(Main.java:322) [catch] at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:110) at java.lang.Thread.run(Thread.java:619) I managed to solve it although I don’t really know the cause. ...