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  1. ,

    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.

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via Google Groups by karle, 11 months ago
This exception has no message.
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This exception has no message.
via Google Groups by Amanpreet Nanner, 1 year ago
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via Oracle Community by 3004, 1 year ago
java.lang.NullPointerException at java.util.Hashtable.put( at weblogic.servlet.internal.session.ClusteredSessionContextImpl.getJdbcProps( at weblogic.servlet.internal.session.ClusteredSessionContextImpl.getNewSession( at weblogic.servlet.internal.session.SessionContext.getNewSessionInstance( at weblogic.servlet.internal.ServletRequestImpl.getNewSession( at weblogic.servlet.internal.ServletRequestImpl.getSession( at jsp_servlet._session._jspService( at weblogic.servlet.jsp.JspBase.service( at weblogic.servlet.internal.ServletStubImpl.invokeServlet( at weblogic.servlet.internal.WebAppServletContext.invokeServlet( at weblogic.servlet.internal.ServletRequestImpl.execute( at weblogic.kernel.ExecuteThread.execute( at