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This bug was originally marked as duplicate of bug 218586, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.1 (Build 201510222201) VM: Java HotSpot(TM) Client VM, 25.60-b23, Java(TM) SE Runtime Environment, 1.8.0_60-b27 OS: Windows 10 User Comments: Kashif.TLB: About 20 files were open. initially it got slow and then totally stuck. had to termanter through task manager Stacktrace: java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOf(Arrays.java:3210) at java.util.Arrays.copyOf(Arrays.java:3181) at java.util.ArrayList.trimToSize(ArrayList.java:198) at org.netbeans.lib.lexer.BatchTokenList.tokenOrEmbeddingImpl(BatchTokenList.java:208) at org.netbeans.lib.lexer.BatchTokenList.tokenOrEmbedding(BatchTokenList.java:191) at org.netbeans.api.lexer.TokenSequence.moveNext(TokenSequence.java:488)
Created attachment 159872 [details] stacktrace