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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (FLINK-5773) Cannot cast scala.util.Failure to org.apache.flink.runtime.messages.Acknowledge
Date Thu, 16 Feb 2017 16:13:41 GMT

     [ https://issues.apache.org/jira/browse/FLINK-5773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Till Rohrmann resolved FLINK-5773.
----------------------------------
    Resolution: Fixed

1.3.0: 413609d13fcf924fa8581450618bccc6abdbbda0
1.2.1: a2853ec1527dd848d635d9cb7720b2bd21c7e3aa

> Cannot cast scala.util.Failure to org.apache.flink.runtime.messages.Acknowledge
> -------------------------------------------------------------------------------
>
>                 Key: FLINK-5773
>                 URL: https://issues.apache.org/jira/browse/FLINK-5773
>             Project: Flink
>          Issue Type: Bug
>          Components: Distributed Coordination
>    Affects Versions: 1.2.0, 1.3.0
>            Reporter: Colin Breame
>            Assignee: Till Rohrmann
>             Fix For: 1.3.0, 1.2.1
>
>
> The exception below happens when I set the StreamExecutionEnvironment.setMaxParallelism()
to anything less than 4.
> Let me know if you need more information.
> {code}
> Caused by: java.lang.ClassCastException: Cannot cast scala.util.Failure to org.apache.flink.runtime.messages.Acknowledge
> 	at java.lang.Class.cast(Class.java:3369)
> 	at scala.concurrent.Future$$anonfun$mapTo$1.apply(Future.scala:405)
> 	at scala.util.Success$$anonfun$map$1.apply(Try.scala:206)
> 	at scala.util.Try$.apply(Try.scala:161)
> 	at scala.util.Success.map(Try.scala:206)
> 	at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235)
> 	at scala.concurrent.Future$$anonfun$map$1.apply(Future.scala:235)
> 	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)
> 	at scala.concurrent.Future$InternalCallbackExecutor$Batch$$anonfun$run$1.processBatch$1(Future.scala:643)
> 	at scala.concurrent.Future$InternalCallbackExecutor$Batch$$anonfun$run$1.apply$mcV$sp(Future.scala:658)
> 	at scala.concurrent.Future$InternalCallbackExecutor$Batch$$anonfun$run$1.apply(Future.scala:635)
> 	at scala.concurrent.Future$InternalCallbackExecutor$Batch$$anonfun$run$1.apply(Future.scala:635)
> 	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72)
> 	at scala.concurrent.Future$InternalCallbackExecutor$Batch.run(Future.scala:634)
> 	at scala.concurrent.Future$InternalCallbackExecutor$.scala$concurrent$Future$InternalCallbackExecutor$$unbatchedExecute(Future.scala:694)
> 	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:685)
> 	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:40)
> 	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:248)
> 	at akka.pattern.PromiseActorRef.$bang(AskSupport.scala:266)
> 	at org.apache.flink.runtime.taskmanager.TaskManager.submitTask(TaskManager.scala:1206)
> 	at org.apache.flink.runtime.taskmanager.TaskManager.org$apache$flink$runtime$taskmanager$TaskManager$$handleTaskMessage(TaskManager.scala:458)
> 	at org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:280)
> 	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
> 	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
> 	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
> 	at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:36)
> 	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
> 	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
> 	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
> 	at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33)
> 	at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28)
> 	at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118)
> 	at org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28)
> 	at akka.actor.Actor$class.aroundReceive(Actor.scala:467)
> 	at org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:122)
> 	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
> 	at akka.actor.ActorCell.invoke(ActorCell.scala:487)
> 	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)
> 	at akka.dispatch.Mailbox.run(Mailbox.scala:220)
> 	... 5 more
> {code}



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