[jira] [Created] (IGNITE-5860) Client disconnects if server it is connected to goes unresponsive

["Evgenii Zhuravlev (JIRA)" <ji...@apache.org>]

Evgenii Zhuravlev created IGNITE-5860:
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             Summary: Client disconnects if server it is connected to goes unresponsive 
                 Key: IGNITE-5860
                 URL: https://issues.apache.org/jira/browse/IGNITE-5860
             Project: Ignite
          Issue Type: Bug
    Affects Versions: 1.7
            Reporter: Evgenii Zhuravlev
             Fix For: 2.2


Scenario is the following:

#     Start at least two server nodes.
#     Start a client node.
#     Detect server node client is connected to in discovery SPI.
#     Suspend that server (^Z in terminal or 'kill -SIGSTOP <PID>').
#     It's expected that client will drop connection with this server and connect to another one.
#     However, a client gets dropped from topology and disconnects.

A client should reconnect cluster before the timeout and without EVT_CLIENT_NODE_RECONNECTED event.

In ClientImpl.Reconnector in joinTopology method it gets all addresses from discoverySpi and addresses of the server that was suspended on top of this list.

Suggested solution:
Move addresses of the suspended server to the end of the list for the join.






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