java.lang.NullPointerException

Oracle Community | 807593 | 1 decade ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.lang.String.compareTo()
  2. Java RT
    Arrays.sort
    1. java.lang.String.compareTo(String.java:743)
    2. java.lang.String.compareTo(String.java:792)
    3. java.util.Arrays.mergeSort(Arrays.java:1124)
    4. java.util.Arrays.mergeSort(Arrays.java:1132)
    5. java.util.Arrays.mergeSort(Arrays.java:1131)
    6. java.util.Arrays.mergeSort(Arrays.java:1131)
    7. java.util.Arrays.mergeSort(Arrays.java:1131)
    8. java.util.Arrays.sort(Arrays.java:1074)
    8 frames
  3. Unknown
    FactorySystem.main
    1. EmployeeList.printEmployeesInOrder(EmployeeList.java:198)
    2. FactorySystem.main(FactorySystem.java:57)
    2 frames