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via Oracle Community by 807596, 1 year ago
This exception has no message.
via Eclipse Bugzilla by, 1 year ago
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via Netbeans Bugzilla by jiriprox, 1 year ago
via Oracle Community by 807601, 5 months ago
This exception has no message.
java.lang.NullPointerException: 	at java.lang.String.compareTo(Unknown Source)	at java.lang.String.compareTo(Unknown Source)	at java.util.Arrays.mergeSort(Unknown Source)	at java.util.Arrays.sort(Unknown Source)	at undefined.DecisionTree.calculatesplit(	at undefined.DecisionTree.(