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ASF GitHub Bot commented on FLINK-4451: --------------------------------------- Github user StephanEwen commented on a diff in the pull request: https://github.com/apache/flink/pull/2405#discussion_r75905953 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/rpc/registration/RetryingRegistration.java --- @@ -197,7 +197,7 @@ public void onSuccess(Gateway result) { @Override public void onFailure(Throwable failure) { if (!isCanceled()) { - log.warn("Could not resolve {} address {}, retrying...", targetName, targetAddress); + log.warn("Could not resolve {} address {}, retrying...", targetName, targetAddress, failure); --- End diff -- I think you cannot mix argument markers and exception logging. > Throw exception when remote connection cannot be resolved > --------------------------------------------------------- > > Key: FLINK-4451 > URL: https://issues.apache.org/jira/browse/FLINK-4451 > Project: Flink > Issue Type: Sub-task > Components: Distributed Coordination > Reporter: Till Rohrmann > Assignee: Till Rohrmann > > The {{RpcService}} implementation should throw an exception (returned in the > future) if {{RpcService.connect(address, type)}} cannot connect to the remote > {{RpcEndpoint}}. > At the moment the {{AkkaRpcService}} does not check that the > {{IdentifyActor}} message contains a valid {{ActorRef}} and throws due to > that a {{NullPointerException}}. -- This message was sent by Atlassian JIRA (v6.3.4#6332)