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Why do I get the error message "java.lang.NullPointerException" ?

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209  Support KB Author October 25, 2013  isCOBOL General

This error is returned when the JVM tries to use an object that is not available. In COBOL programs it usually refers to a data item. A typical case in which this error appears is when a called program tries to use a linkage item that was not passed by the caller.
Why do I get the error message "java.lang.NullPointerException" ?
Estimated Reading Time: < 1 Minute  Support KB Author October 25, 2013