Solr 4.2.0 seems messing up with ping operaton...

[hyrax <ha...@selerityfinancial.com>]

Hi all,
I just moved from Solr 4.0.0 to Solr 4.2.0. BTW, I'm using SolrCloud (port:
8983 and 7574).
So when I was trying to ping the cloud by
http://localhost:8983/solr/admin/ping?wt=json, I got:
{"responseHeader":{"status":0,"QTime":2,"params":{"df":"text","echoParams":"all","rows":"10","echoParams":"all","wt":"json","q":"solrpingquery","distrib":"false"}},"status":"OK"}
{"responseHeader":{"status":0,"QTime":1,"params":{"df":"text","echoParams":"all","rows":"10","echoParams":"all","wt":"json","q":"solrpingquery","distrib":"false"}},"status":"OK"}
which seems kindly providing info for all solr instances but this is an
invalid json!!!
When using 4.0.0, it only returned only one response but now there are two.
And it will also return an error page if you want a xml format response by
http://localhost:8983/solr/admin/ping?wt=xml which used to work fine under
4.0.0.
Could anyone help me with this ping issue?
Many many thanks in advance!
Regards,
Hao



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