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

    https://github.com/apache/flink/pull/2145#discussion_r68043573
  
    --- Diff: 
flink-core/src/main/java/org/apache/flink/metrics/reporter/JMXReporter.java ---
    @@ -73,10 +86,61 @@ public JMXReporter() {
        // 
------------------------------------------------------------------------
     
        @Override
    -   public void open(Configuration config) {}
    +   public void open(Configuration config) {
    +           this.jmxServer = startJmxServer(config);
    +   }
    +
    +   private static JMXServer startJmxServer(Configuration config) {
    +           JMXServer jmxServer;
    +
    +           String portRange = config.getString(KEY_METRICS_JMX_PORT, 
"9010-9025");
    +           String[] ports = portRange.split("-");
    +
    +           if (ports.length == 0 || ports.length > 2) {
    +                   throw new IllegalArgumentException("JMX port range was 
configured incorrectly. " +
    +                           "Expected: <startPort>[-<endPort>] Configured: 
" + portRange);
    +           }
    +
    +           if (ports.length == 1) { //single port was configured
    --- End diff --
    
    Have you checked out `NetUtils.getPortRangeFromString` to iterate over a 
range of ports? This returns an `Iterator` over all defined ports. With that 
you can also define port ranges like: `1911, 2222-3333, 42-1337`.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

Reply via email to