[jira] [Created] (SOLR-6369) duplicate json key "echoParams" should be removed in ping-response

["Marc Portier (JIRA)" <ji...@apache.org>]

Marc Portier created SOLR-6369:
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             Summary: duplicate json key "echoParams" should be removed in ping-response
                 Key: SOLR-6369
                 URL: https://issues.apache.org/jira/browse/SOLR-6369
             Project: Solr
          Issue Type: Bug
    Affects Versions: 4.9
         Environment: testing on ubuntu 14.04
version: 4.9.0 1604085 - rmuir - 2014-06-20 06:34:03
            Reporter: Marc Portier
            Priority: Trivial


Apparently the /admin/ping handler will duplicate the echoParams key in the json-response.

$ curl -s http://localhost:8983/solr/test-node-client/admin/ping?wt=json
{"responseHeader":{"status":0,"QTime":2,"params":{"df":"text","echoParams":"all","rows":"10","echoParams":"all","wt":"json","q":"solrpingquery","distrib":"false"}},"status":"OK"}


Having "echoParams":"all" twice in that response doesn't really make sense?

Strictly speaking this is allowed in the json spec, so it is not a violation in principle
http://stackoverflow.com/questions/21832701/does-json-syntax-allow-duplicate-keys-in-an-object

However there are some json-parse implementations out there that want to map this into hashtables and are not silently overwriting the key with the last seen value, but are throwing errors in the process.

To those a cleanup of the json response would make life somewhat easier.




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