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https://issues.apache.org/jira/browse/HADOOP-13597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15719516#comment-15719516
 ] 

John Zhuge commented on HADOOP-13597:
-------------------------------------

Another approach:
{code}
class AccessLoggingConfiguration implements Configuration {
  LoggedConfigurationAccess(conf, log) {
    super(conf);
    this.log = log;
  }
  String get(String name) {
    String value = super.get(name);
    log.info(..., name, value);
    return value;
  }
  String getInt(String name, int defaultValue) {
    String value = super.getInt(name, defaultValue);
    log.info(..., name, value, defaultValue);
    return value;
  }
}
{code}

> Switch KMS from Tomcat to Jetty
> -------------------------------
>
>                 Key: HADOOP-13597
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13597
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: kms
>    Affects Versions: 2.6.0
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>         Attachments: HADOOP-13597.001.patch, HADOOP-13597.002.patch
>
>
> The Tomcat 6 we are using will reach EOL at the end of 2017. While there are 
> other good options, I would propose switching to {{Jetty 9}} for the 
> following reasons:
> * Easier migration. Both Tomcat and Jetty are based on {{Servlet 
> Containers}}, so we don't have change client code that much. It would require 
> more work to switch to {{JAX-RS}}.
> * Well established.
> * Good performance and scalability.
> Other alternatives:
> * Jersey + Grizzly
> * Tomcat 8
> Your opinions will be greatly appreciated.



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