[jira] [Created] (TINKERPOP-1126) A single Host spawns many reconnect tasks

["Kieran Sherlock (JIRA)" <ji...@apache.org>]

Kieran Sherlock created TINKERPOP-1126:
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             Summary: A single Host spawns many reconnect tasks
                 Key: TINKERPOP-1126
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1126
             Project: TinkerPop
          Issue Type: Bug
          Components: driver
    Affects Versions: 3.1.0-incubating
            Reporter: Kieran Sherlock


While attempting to recover a connection to a gremlin server that has gone offline, the Host object spawns many reconnect tasks

The following code in Host.makeUnavailable() will always create and schedule a new Runnable no matter the value of reconnectionAttempt 

{code}
        reconnectionAttempt.compareAndSet(null,
                this.cluster.executor().scheduleAtFixedRate(() -> {
                            logger.debug("Trying to reconnect to dead host at {}", this);
                            if (reconnect.apply(this)) reconnected();
                        }, cluster.connectionPoolSettings().reconnectInitialDelay,
                        cluster.connectionPoolSettings().reconnectInterval, TimeUnit.MILLISECONDS));
{code}

It is just that the ScheduledFuture returned by scheduleAtFixedRate will be ignored if reconnectionAttempt != null.



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