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Created attachment 148677 [details] Thread dump I closed IDE and IDE never finished.
It seems a problem in ParserThread. It does not guarantee that method file.ensureParsed(preprocHandlers) will be called. It can be when IDE is shout downing or or project is disposing. As result: 1. Notification on object FileImpl.stateLock can be missed. 2. FileImpl.scheduleParsing(true) never finished.