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[ JDK VERSION : J2SE 1.4.2_02 ] I first opened the AutoComment window tab for the classes in a folder, then closed de tab and started to use a browser to search for an information. Then I went back to 3.6Beta and there was an Unexpected Exception box. I had opened three tabs, and as i understand in the output for ide.log, I tried to select the -1 index at the window. When I ask for details from this exception, the box shows a java.langIllegalArgumentException ide.log attached
Created attachment 13352 [details] This is the ide.log file
Reassigning to core/window system.
I had this exception again today. I was just opening an existing Java class. When the file was opened, a message box appeared reporting a java.lang.IllegalArgumentException Will attach the ide.log
Created attachment 13591 [details] ide.log
Unfortunately this is random, I can't find out reproductible screnario to see what's going on.
FWIW, there is now more defensive code in place, so if it occurs again, we should be able to get better info. It looks like the window system is trying to select a TC which is not actually present.
closing as worksforme, please reopen if it appears for you in the 4.0 codebase (build 20040613) and later.
closed