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https://issues.apache.org/jira/browse/FLINK-4451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15433179#comment-15433179
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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_r75906099
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/rpc/akka/AkkaRpcActorTest.java
---
@@ -73,6 +75,22 @@ public void testAddressResolution() throws Exception {
}
/**
+ * Tests that a {@link RpcConnectionException} is thrown if the rpc
endpoint cannot be connected to.
+ */
+ @Test
+ public void testFailingAddressResolution() throws Exception {
+ Future<DummyRpcGateway> futureRpcGateway =
akkaRpcService.connect("foobar", DummyRpcGateway.class);
+
+ try {
+ DummyRpcGateway gateway =
Await.result(futureRpcGateway, timeout.duration());
--- End diff --
Will this fail immediately, or only after a timeout?
> 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}}.
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