problem:couldn't connect to new shard mongos connectionpool:
connect failed
more log info:
Fri Apr 27 15:47:06 [conn3] single query: admin.$cmd
{ replSetGetStatus: 1, forShell: 1 } ntoreturn: 1 options : 0
Fri Apr 27 15:47:14 [conn3] Socket recv() conn closed?
127.0.0.1:35519
Fri Apr 27 15:47:14 [conn3] SocketException: remote:
127.0.0.1:35519
error: 9001 socket exception [0] server [
127.0.0.1:35519]
Fri Apr 27 15:47:14 [conn3] end connection
127.0.0.1:35519
question... which situation will occur recv not closed error?