at orgapachehadoopmapredLocalJobRunner$JobrunTasksLocalJobRunnerjava492 at orgapachehadoopmapredLocalJobRunner$JobrunLocalJobRunnerjava552Caused by javalangArrayIndexOutOfBoundsException 1 at commystu

The error message indicates that there is an ArrayIndexOutOfBoundsException at line 20 of the SecondarySortMapper class. The index being accessed is likely out of bounds of the array. This could be caused by a variety of issues, such as incorrect array indexing or improperly formatted input data. The mapper may need to be debugged to identify the specific cause of the error.