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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