What is Stuck Thread? A Stuck Thread is a thread which is processing a request for more than maximum time that you configured in admin console. By Default, the WebLogic server comes with 600 secs. If some thread doesn’t return in 600 secs, It gets a flag ‘stuck thread’. How to deal with Stuck Thread? Take thread dumps instantly. Open thread dumps in visualVM. Analyze dashboard from WebLogic console (managed server > monitoring > threads).