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    <title>question Re: ResourceManager fails to start (cdh 5.5.2): HTTP server failure in Archives of Support Questions (Read Only)</title>
    <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/ResourceManager-fails-to-start-cdh-5-5-2-HTTP-server-failure/m-p/38467#M20126</link>
    <description>&lt;P&gt;Updated to cdh 5.6.0, everything starting without issue now&lt;/P&gt;</description>
    <pubDate>Tue, 08 Mar 2016 20:01:39 GMT</pubDate>
    <dc:creator>dolanantenucci</dc:creator>
    <dc:date>2016-03-08T20:01:39Z</dc:date>
    <item>
      <title>ResourceManager fails to start (cdh 5.5.2): HTTP server failure</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/ResourceManager-fails-to-start-cdh-5-5-2-HTTP-server-failure/m-p/37641#M20125</link>
      <description>&lt;P&gt;Similar to this &lt;A href="https://community.cloudera.com/t5/CDH-Manual-Installation/Error-starting-Resource-Manager-http-server/td-p/29673" target="_self"&gt;previously posted problem&lt;/A&gt;, I am unable to start my ResourceManager. &amp;nbsp;This started after I upgraded my box (Ubuntu 12.04 to 14.04), which most likely also upgrade CDH to 5.5.2.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Error:&lt;/P&gt;&lt;PRE&gt;2016-02-18 16:40:25,196 FATAL org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error starting ResourceManager
org.apache.hadoop.yarn.webapp.WebAppException: Error starting http server
    at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:278)
    at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startWepApp(ResourceManager.java:985)
    at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1085)
    at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
    at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1217)
Caused by: java.io.IOException: Problem in starting http server. Server handlers failed
    at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:900)
    at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:273)
    ... 4 more&lt;/PRE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;As suggested in the above post, I tried enabling debugging (added "log4j.logger.org.apache.hadoop.yarn.server.resourcemanager=DEBUG,console" to /etc/hadoop/conf/log4j.properties), but I still don't see any reasons this is failing.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Here's my /var/log/hadoop-yarn/yarn-yarn-resourcemanager-elgordo.log file:&amp;nbsp;&lt;A href="http://pastebin.com/VPk96KAg" target="_blank"&gt;http://pastebin.com/VPk96KAg&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Here's my&amp;nbsp;/var/log/hadoop-yarn/yarn-yarn-resourcemanager-elgordo.out file:&amp;nbsp;&lt;A href="http://pastebin.com/2penUUQS" target="_blank"&gt;http://pastebin.com/2penUUQS&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;There's a Hadoop JIRA bug fixed in Hadoop 2.7 that sounds like the fix I need (&lt;A href="https://issues.apache.org/jira/browse/HADOOP-11754);" target="_blank"&gt;https://issues.apache.org/jira/browse/HADOOP-11754);&lt;/A&gt; but I don't see why this is failing for me, but not for everyone else. &amp;nbsp;Is there a configuration change that I can make to avoid this particular Hadoop bug? &amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;There's an option Cloudera JIRA issue that&amp;nbsp;looks similar:&amp;nbsp;&lt;A href="https://issues.cloudera.org/browse/DISTRO-754" target="_blank"&gt;https://issues.cloudera.org/browse/DISTRO-754&lt;/A&gt; (no replies on it though).&lt;/P&gt;</description>
      <pubDate>Fri, 16 Sep 2022 10:04:47 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/ResourceManager-fails-to-start-cdh-5-5-2-HTTP-server-failure/m-p/37641#M20125</guid>
      <dc:creator>dolanantenucci</dc:creator>
      <dc:date>2022-09-16T10:04:47Z</dc:date>
    </item>
    <item>
      <title>Re: ResourceManager fails to start (cdh 5.5.2): HTTP server failure</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/ResourceManager-fails-to-start-cdh-5-5-2-HTTP-server-failure/m-p/38467#M20126</link>
      <description>&lt;P&gt;Updated to cdh 5.6.0, everything starting without issue now&lt;/P&gt;</description>
      <pubDate>Tue, 08 Mar 2016 20:01:39 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/ResourceManager-fails-to-start-cdh-5-5-2-HTTP-server-failure/m-p/38467#M20126</guid>
      <dc:creator>dolanantenucci</dc:creator>
      <dc:date>2016-03-08T20:01:39Z</dc:date>
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