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From "Jitendra Nath Pandey (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HADOOP-14640) Azure: Support affinity for service running on localhost and reuse SPNEGO hadoop.auth cookie for authorization, SASKey and delegation token generation
Date Fri, 14 Jul 2017 22:53:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16088243#comment-16088243
] 

Jitendra Nath Pandey edited comment on HADOOP-14640 at 7/14/17 10:52 PM:
-------------------------------------------------------------------------

This seems like a good catch by findbugs. It will cause NPE if statusLine is null.
{code}
        if (statusLine == null
            || statusLine.getStatusCode() != HttpStatus.SC_OK) {
          requiresNewAuth =
              (statusLine.getStatusCode() == HttpStatus.SC_UNAUTHORIZED);
{code}




was (Author: jnp):
This is a good catch by findbugs:
{code}
        if (statusLine == null
            || statusLine.getStatusCode() != HttpStatus.SC_OK) {
          requiresNewAuth =
              (statusLine.getStatusCode() == HttpStatus.SC_UNAUTHORIZED);
{code}
stat

> Azure: Support affinity for service running on localhost and reuse SPNEGO hadoop.auth
cookie for authorization, SASKey and delegation token generation
> ------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-14640
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14640
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/azure
>    Affects Versions: 2.9.0
>            Reporter: Santhosh G Nayak
>            Assignee: Santhosh G Nayak
>              Labels: security
>         Attachments: HADOOP-14640.1.patch, HADOOP-14640.2.patch, HADOOP-14640.3.patch
>
>
> Currently, {{WasbRemoteCallHelper}} can be configured to talk to comma separated list
of URLs for authorization, SASKey generation and delegation token generation.
> To improve the performance, if service runs on the local machine, give it first preference
over the other configured list of URLs. 
> Currently, {{WasbRemoteCallHelper}} generates {{hadoop.auth}} cookie for every request
by talking to the remote service, before making actual rest requests.
> The proposal is to reuse the {{hadoop.auth}} cookie for subsequent requests from same
{{WasbRemoteCallHelper}} object until its expiry time. 



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