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Error in JSP execution for java.lang.NullPointerException

SA-8485

Summary



User gets a java.lang.NullPointerException when running custom JSP.

Error Messages



Error in JSP execution:
java.lang.NullPointerException 
at com.pegarules.generated.html_section.ra_stream_mysection_bf7cd2354cc74b9f218c2ce6386382bc.execute(ra_stream_mySection_bf7cd2354cc74b9f218c2ce6386382bc.java:112)


Steps to Reproduce



Execute the command that generates the error.

Root Cause



The root cause of this problem is a defect in customer application code/rules.
Running the activity pyExtractCode with the parameter taken from the error message (com.pegarules.generated.html_section.ra_stream_mysection_bf7cd2354cc74b9f218c2ce6386382bc) User's code uses the method of an object (for example, myObject.myMethod()) without checking to see if the object is null.


Resolution



This issue is resolved through the following local-change:  
Verify if the object is null before you attempt to execute one of its methods.

Published June 12, 2015 - Updated October 8, 2020

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