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    Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

Solutions on the web

via Kuali JIRA by Taryn Pedigo, 1 year ago
This exception has no message.
via Kuali JIRA by Taryn Pedigo, 2 years ago
This exception has no message.
via Google Groups by Thorsten Glaser, 4 months ago
java.lang.NullPointerException at java.util.Hashtable.put( at org.kuali.student.enrollment.class2.acal.service.impl.CalendarSearchViewHelperServiceImpl.buildTermURLParameters( at org.kuali.student.enrollment.class2.acal.controller.CalendarSearchController.view( at org.kuali.student.enrollment.class2.acal.controller.CalendarSearchController$$FastClassByCGLIB$$396101b4.invoke(<generated>) at net.sf.cglib.proxy.MethodProxy.invoke(