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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13597) Switch KMS from Tomcat to Jetty
Date Fri, 09 Dec 2016 22:05:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15736470#comment-15736470
] 

Robert Kanter commented on HADOOP-13597:
----------------------------------------

A few additional comments:
# I don't know if {{getPasswordString}} is a good idea.  Won't that just make things confusing
for users?  They try to set a password in the config, but it ends up being null (probably
NPE?) instead of throwing an IOE about not finding the password.  The latter would be more
clear what the problem is.
# Should we mark {{HttpServer2#HTTP_MAX_THREADS}} as {{\@deprecated}}?
# Not you're doing, but typo in {{HttpServer2}} comment: {{explicitly destroy the secrete
provider}}

> 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, HADOOP-13597.003.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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