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https://issues.apache.org/jira/browse/FLINK-5758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15894058#comment-15894058
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ASF GitHub Bot commented on FLINK-5758:
---------------------------------------

Github user tillrohrmann commented on a diff in the pull request:

    https://github.com/apache/flink/pull/3391#discussion_r103204770
  
    --- Diff: flink-core/src/main/java/org/apache/flink/util/NetUtils.java ---
    @@ -383,4 +424,8 @@ public static String getWildcardIPAddress() {
        public interface SocketFactory {
                ServerSocket createSocket(int port) throws IOException;
        }
    +
    +   public interface ServerFactory<T> {
    +           T create(String address, int port) throws Exception;
    --- End diff --
    
    Java docs are missing. You should document that a `BindException` will be 
ignored and all other exception will cause the `createServerFromPorts` method 
to fail.


> Port-range for the web interface via YARN
> -----------------------------------------
>
>                 Key: FLINK-5758
>                 URL: https://issues.apache.org/jira/browse/FLINK-5758
>             Project: Flink
>          Issue Type: Sub-task
>          Components: YARN
>    Affects Versions: 1.2.0, 1.1.4, 1.3.0
>            Reporter: Kanstantsin Kamkou
>            Assignee: Yelei Feng
>              Labels: network
>
> In case of YARN, the {{ConfigConstants.JOB_MANAGER_WEB_PORT_KEY}}   [is 
> changed to 
> 0|https://github.com/apache/flink/blob/release-1.2.0/flink-yarn/src/main/java/org/apache/flink/yarn/YarnApplicationMasterRunner.java#L526].
>  Please allow port ranges in this case. DevOps need that.



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