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This bug was originally marked as duplicate of bug 246174, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.0.2 (Build 201411181905) VM: OpenJDK 64-Bit Server VM, 25.45-b02, OpenJDK Runtime Environment, 1.8.0_45-internal-b14 OS: Linux User Comments: qingyue: while diff files with svn or tools Stacktrace: java.lang.ArrayIndexOutOfBoundsException: 1620 at org.netbeans.modules.diff.builtin.visualizer.editable.DiffViewManager$ScrollMapCached.compute(DiffViewManager.java:746) at org.netbeans.modules.diff.builtin.visualizer.editable.DiffViewManager$ScrollMapCached.getScrollMap(DiffViewManager.java:698) at org.netbeans.modules.diff.builtin.visualizer.editable.DiffViewManager.smartScroll(DiffViewManager.java:522) at org.netbeans.modules.diff.builtin.visualizer.editable.DiffViewManager.scroll(DiffViewManager.java:201) at org.netbeans.modules.diff.builtin.visualizer.editable.EditableDiffView.showCurrentDifference(EditableDiffView.java:918) at org.netbeans.modules.diff.builtin.visualizer.editable.EditableDiffView.access$2200(EditableDiffView.java:114)
Created attachment 154050 [details] stacktrace
*** This bug has been marked as a duplicate of bug 252399 ***