[jira] [Created] (SLING-10615) DefaultErrorHandlerServlet json error response may throw a ClassCastException

["Eric Norman (Jira)" <ji...@apache.org>]

Eric Norman created SLING-10615:
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             Summary: DefaultErrorHandlerServlet json error response may throw a ClassCastException
                 Key: SLING-10615
                 URL: https://issues.apache.org/jira/browse/SLING-10615
             Project: Sling
          Issue Type: Bug
            Reporter: Eric Norman
            Assignee: Eric Norman
             Fix For: Servlets Resolver 2.8.0


The DefaultErrorHandlerServlet json error response will fail with a ClassCastException if the "javax.servlet.error.exception_type" request attribute is not a String object.

There is some inconsistency in what type of object the "javax.servlet.error.exception_type" should be in the error handler.
 * The servlet 3.1 specifications states that this attribute should be a "java.lang.Class" object.
 * The SlingConstants#ERROR_EXCEPTION_TYPE javadoc states that this attribute should be a "java.lang.String" object.

In the interest of backward compatibility, the DefaultErrorHandlerServlet should try to handle it if the attribute value is either a String or a Class object.



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