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This bug was originally marked as duplicate of bug 239570, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.0 (Build 201403101706) VM: Java HotSpot(TM) 64-Bit Server VM, 24.65-b04, Java(TM) SE Runtime Environment, 1.7.0_67-b01 OS: Windows 8 User Comments: GUEST: I was just browsing files within the project. I had done a lot search but I closed search windows after getting my result. I have about 7 search windows. My overall system memory usage is about 60% of 16GB. I have about 15 files open. Task Manager reported that NetBean was using about 170MB, if I remember correctly. The behavior is that the NetBean slowly become unresponsive and after a while it stopped responding. At which point, I decided to end the app through Task Manager. Stacktrace: java.lang.OutOfMemoryError: GC overhead limit exceeded at nu.validator.htmlparser.sax.SAXTreeBuilder.appendCharacters(SAXTreeBuilder.java:65) at nu.validator.htmlparser.sax.SAXTreeBuilder.appendCharacters(SAXTreeBuilder.java:39) at nu.validator.htmlparser.impl.TreeBuilder.accumulateCharacters(TreeBuilder.java:5095) at nu.validator.htmlparser.impl.TreeBuilder.characters(TreeBuilder.java:866) at nu.validator.htmlparser.impl.Tokenizer.emitOrAppendOne(Tokenizer.java:6564) at nu.validator.htmlparser.impl.Tokenizer.stateLoop(Tokenizer.java:3244)
Created attachment 153961 [details] stacktrace
60% of memory is allocated for BufferedImage. Did you somehow created images in Netbeans? It would help to find why images are still in memory. I will attach one of the image to attachments so it can help you identify how it was created. Thank you
Created attachment 154105 [details] Image