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Build: NetBeans IDE 8.2 (Build 201609300101) VM: Java HotSpot(TM) 64-Bit Server VM, 25.111-b14, Java(TM) SE Runtime Environment, 1.8.0_111-b14 OS: Windows 10 User Comments: believerjr: Started program. Stacktrace: java.lang.IllegalArgumentException: Comparison method violates its general contract! at java.util.ComparableTimSort.mergeLo(ComparableTimSort.java:744) at java.util.ComparableTimSort.mergeAt(ComparableTimSort.java:481) at java.util.ComparableTimSort.mergeCollapse(ComparableTimSort.java:406) at java.util.ComparableTimSort.sort(ComparableTimSort.java:213) at java.util.Arrays.sort(Arrays.java:1246) at javax.swing.DefaultRowSorter.sortExistingData(DefaultRowSorter.java:553)
Created attachment 163398 [details] stacktrace