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https://issues.apache.org/jira/browse/FLINK-2766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14933247#comment-14933247
 ] 

Stephan Ewen commented on FLINK-2766:
-------------------------------------

All calls to create InetAddress URL representations should go through a utility 
function like 

http://docs.guava-libraries.googlecode.com/git/javadoc/com/google/common/net/InetAddresses.html#toUriString(java.net.InetAddress)

It may make sense to also add this behavior to out own core NetUtils, since it 
is pretty essential!

> Bad ipv6 urls
> -------------
>
>                 Key: FLINK-2766
>                 URL: https://issues.apache.org/jira/browse/FLINK-2766
>             Project: Flink
>          Issue Type: Bug
>    Affects Versions: 0.9.1, 0.9.2
>            Reporter: Arsenii Krasikov
>            Priority: Critical
>
> There is error with ipv6 addresses in 
> flink-runtime/src/main/scala/org/apache/flink/runtime/jobmanager/JobManager.scala:
> {code:java}
>   /**
>    * Builds the akka actor path for the JobManager actor, given the socket 
> address
>    * where the JobManager's actor system runs.
>    *
>    * @param address The address of the JobManager's actor system.
>    * @return The akka URL of the JobManager actor.
>    */
>   def getRemoteJobManagerAkkaURL(address: InetSocketAddress): String = {
>     val hostPort = address.getAddress().getHostAddress() + ":" + 
> address.getPort()
>     s"akka.tcp://flink@$hostPort/user/$JOB_MANAGER_NAME"
>   }
> {code}
> that leads to 
> {code}
> 19:02:10,451 INFO  org.apache.flink.runtime.taskmanager.TaskManager           
>    - Trying to register at JobManager 
> akka.tcp://flink@2a02:6b8:0:1a39:0:0:12c:1:6123/user/jobmanager (attempt 31, 
> timeout: 30 seconds)
> 19:02:40,470 INFO  org.apache.flink.runtime.taskmanager.TaskManager           
>    - Trying to register at JobManager 
> akka.tcp://flink@2a02:6b8:0:1a39:0:0:12c:1:6123/user/jobmanager (attempt 32, 
> timeout: 30 seconds)
> {code}



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