[jira] [Created] (KNOX-359) Improve failure and diagnostics for invalid/undeployed rewrite function usage

["Kevin Minder (JIRA)" <ji...@apache.org>]

Kevin Minder created KNOX-359:
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             Summary: Improve failure and diagnostics for invalid/undeployed rewrite function usage
                 Key: KNOX-359
                 URL: https://issues.apache.org/jira/browse/KNOX-359
             Project: Apache Knox
          Issue Type: Improvement
          Components: Server
    Affects Versions: 0.3.0
            Reporter: Kevin Minder
             Fix For: 0.5.0


When a rewrite run contains a function (e.g. {$serviceUrl[WEBHCAT]}) for which the function provider isn't deployed currently the URL ends up with a 'null' embedded within it.  If this occurs for the target URL then the request should be failed.  If this is in the request body or response more thought needs to be given.  In any case the diagnostic output should be very clear about the cause of the problem.



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