investigate if and why slow rethinkdb connection causes client root to be recreated

[aeneasr]

No description provided.

[aeneasr]

I could not reproduce this issue, it was probably one of those IntelliJ cmd.exe didn't flush errors. Here is what's happening if rethinkdb is not available:

?[0m?[31mhydra_1      |?[0m time="2016-09-22T21:20:34Z" level=info msg="DATABASE_URL set, connecting to RethinkDB."
?[31mhydra_1      |?[0m time="2016-09-22T21:20:34Z" level=info msg="Connecting with RethinkDB: @database:28015/hydra"
?[31mhydra_1      |?[0m time="2016-09-22T21:20:34Z" level=info msg="Connected to RethinkDB!"
?[31mhydra_1      |?[0m time="2016-09-22T21:20:34Z" level=fatal msg="Could not fetch initial state: gorethink: Cannot perform read: primary replica for shard [\"\", +inf) not available in: \nr.Table(\"hydra_policies\")"