Elasticsearch many threads agg search, have a bug ,cause error :None of the configured nodes were available

hi,elasticserch

in my project ,we found elasticsearch a bug about agg search,
when there were twice or more threads use java api aggregation to invoke es
at the sametime,
elasticsearch sometime cause error:None of the configured nodes were
available,
but one thread never apprear. we test many times,come to the conclusion .

1.our index data just Fifty million
2.and agg search just like : select appid,count(id) from msprouterecord
group by appid,
3.our server is 32*core 64g memory
4.ulimit -v -m -l unlimited -n 204000
5.elasticsearch 1.3.7

this bug no matter with server configuration and os environment ,always
apprear.

please help us resolve quickly, thank you very much!

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