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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HADOOP-13135) Encounter response code 500 when accessing /metrics endpoint
Date Sun, 26 Feb 2017 17:41:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15658589#comment-15658589
] 

Ted Yu edited comment on HADOOP-13135 at 2/26/17 5:41 PM:
----------------------------------------------------------

This issue should exist for hbase all HBase 1.x releases .


was (Author: yuzhihong@gmail.com):
This issue should exist for hbase all hbase 1.x releases .

> Encounter response code 500 when accessing /metrics endpoint
> ------------------------------------------------------------
>
>                 Key: HADOOP-13135
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13135
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.7.1
>            Reporter: Ted Yu
>              Labels: metrics
>
> When accessing /metrics endpoint on hbase master through hadoop 2.7.1, I got:
> {code}
> HTTP ERROR 500
> Problem accessing /metrics. Reason:
>     INTERNAL_SERVER_ERROR
> Caused by:
> java.lang.NullPointerException
> 	at org.apache.hadoop.http.HttpServer2.isInstrumentationAccessAllowed(HttpServer2.java:1029)
> 	at org.apache.hadoop.metrics.MetricsServlet.doGet(MetricsServlet.java:109)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
> 	at org.apache.hadoop.hbase.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:113)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> {code}
> [~ajisakaa] suggested that code 500 should be 404 (NOT FOUND).



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