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    <title>topic Error starting ResourceManager in HPE Ezmeral Software platform</title>
    <link>https://community.hpe.com/t5/hpe-ezmeral-software-platform/error-starting-resourcemanager/m-p/7230006#M829</link>
    <description>&lt;P&gt;2024-11-25 09:43:53,002 ERROR org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error starting ResourceManager&lt;BR /&gt;org.apache.hadoop.service.ServiceStateException: org.apache.hadoop.thirdparty.protobuf.InvalidProtocolBufferException: Protocol message contained an invalid tag (zero).&lt;BR /&gt;at org.apache.hadoop.service.ServiceStateException.convert(ServiceStateException.java:105)&lt;BR /&gt;at org.apache.hadoop.service.AbstractService.start(AbstractService.java:203)&lt;BR /&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startActiveServices(ResourceManager.java:1431)&lt;BR /&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1472)&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1468)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at java.base/java.security.AccessController.doPrivileged(Native Method)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at java.base/javax.security.auth.Subject.doAs(Subject.java:423)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:2013)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToActive(ResourceManager.java:1468)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1521)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1731)&lt;/U&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;U&gt;Steps tried to troubleshoot but didn't help&lt;/U&gt;&lt;/P&gt;&lt;P&gt;&lt;A href="https://support.hpe.com/hpesc/public/docDisplay?docId=sf000079477en_us&amp;amp;docLocale=en_US" target="_blank"&gt;https://support.hpe.com/hpesc/public/docDisplay?docId=sf000079477en_us&amp;amp;docLocale=en_US&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;1) Take the backup of Epoch file.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; hadoop fs -get&amp;nbsp; /var/mapr/cluster/yarn/rm/system/FSRMStateRoot/EpochNode /tmp/&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;2) Remove the EpochFile from state store.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;hadoop fs -rm&amp;nbsp;/var/mapr/cluster/yarn/rm/system/FSRMStateRoot/EpochNode&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;3) Try Restart the Resource Manager.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Tue, 26 Nov 2024 03:46:13 GMT</pubDate>
    <dc:creator>Satish_Infa</dc:creator>
    <dc:date>2024-11-26T03:46:13Z</dc:date>
    <item>
      <title>Error starting ResourceManager</title>
      <link>https://community.hpe.com/t5/hpe-ezmeral-software-platform/error-starting-resourcemanager/m-p/7230006#M829</link>
      <description>&lt;P&gt;2024-11-25 09:43:53,002 ERROR org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error starting ResourceManager&lt;BR /&gt;org.apache.hadoop.service.ServiceStateException: org.apache.hadoop.thirdparty.protobuf.InvalidProtocolBufferException: Protocol message contained an invalid tag (zero).&lt;BR /&gt;at org.apache.hadoop.service.ServiceStateException.convert(ServiceStateException.java:105)&lt;BR /&gt;at org.apache.hadoop.service.AbstractService.start(AbstractService.java:203)&lt;BR /&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startActiveServices(ResourceManager.java:1431)&lt;BR /&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1472)&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1468)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at java.base/java.security.AccessController.doPrivileged(Native Method)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at java.base/javax.security.auth.Subject.doAs(Subject.java:423)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:2013)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToActive(ResourceManager.java:1468)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1521)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)&lt;/U&gt;&lt;BR /&gt;&lt;U&gt;at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1731)&lt;/U&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;U&gt;Steps tried to troubleshoot but didn't help&lt;/U&gt;&lt;/P&gt;&lt;P&gt;&lt;A href="https://support.hpe.com/hpesc/public/docDisplay?docId=sf000079477en_us&amp;amp;docLocale=en_US" target="_blank"&gt;https://support.hpe.com/hpesc/public/docDisplay?docId=sf000079477en_us&amp;amp;docLocale=en_US&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;1) Take the backup of Epoch file.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; hadoop fs -get&amp;nbsp; /var/mapr/cluster/yarn/rm/system/FSRMStateRoot/EpochNode /tmp/&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;2) Remove the EpochFile from state store.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;hadoop fs -rm&amp;nbsp;/var/mapr/cluster/yarn/rm/system/FSRMStateRoot/EpochNode&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;3) Try Restart the Resource Manager.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Tue, 26 Nov 2024 03:46:13 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-ezmeral-software-platform/error-starting-resourcemanager/m-p/7230006#M829</guid>
      <dc:creator>Satish_Infa</dc:creator>
      <dc:date>2024-11-26T03:46:13Z</dc:date>
    </item>
    <item>
      <title>Re: Error starting ResourceManager</title>
      <link>https://community.hpe.com/t5/hpe-ezmeral-software-platform/error-starting-resourcemanager/m-p/7230066#M830</link>
      <description>&lt;P&gt;There seems ot be problem with the stateStore. If the state of the running applications(Prior to failure ) are not important can you please try removing the satestore completly and share your obsevations.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;LI-CODE lang="markup"&gt;-stop RM
-make a statestore backup
hadoop fs -mv /var/mapr/cluster/yarn/rm/system/FSRMStateRoot/* /FSRMStateRoot_backup/
-remove the directory
hadoop fs -rmr /var/mapr/cluster/yarn/rm/system/FSRMStateRoot/
-start RM&lt;/LI-CODE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 25 Nov 2024 17:03:32 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-ezmeral-software-platform/error-starting-resourcemanager/m-p/7230066#M830</guid>
      <dc:creator>hiteshingole</dc:creator>
      <dc:date>2024-11-25T17:03:32Z</dc:date>
    </item>
    <item>
      <title>Query: Error starting ResourceManager</title>
      <link>https://community.hpe.com/t5/hpe-ezmeral-software-platform/error-starting-resourcemanager/m-p/7230398#M833</link>
      <description>&lt;P style="margin: 0;"&gt;Hello,&lt;/P&gt;
&lt;P style="margin: 0;"&gt;&amp;nbsp;&lt;/P&gt;
&lt;P style="margin: 0;"&gt;Let us know if you were able to resolve the issue.&lt;/P&gt;
&lt;P style="margin: 0;"&gt;&amp;nbsp;&lt;/P&gt;
&lt;P style="margin: 0;"&gt;If you have no further query, and you are satisfied with the answer then kindly mark the topic as Solved so that it is helpful for all community members.&lt;/P&gt;
&lt;P style="margin: 0;"&gt;&amp;nbsp;&lt;/P&gt;
&lt;P style="margin: 0;"&gt;Please click on "Thumbs Up/Kudo" icon to give a "Kudo".&lt;/P&gt;
&lt;P style="margin: 0;"&gt;&amp;nbsp;&lt;/P&gt;
&lt;P style="margin: 0;"&gt;Thank you for being a HPE valuable community member.&lt;/P&gt;</description>
      <pubDate>Fri, 29 Nov 2024 10:09:45 GMT</pubDate>
      <guid>https://community.hpe.com/t5/hpe-ezmeral-software-platform/error-starting-resourcemanager/m-p/7230398#M833</guid>
      <dc:creator>support_s</dc:creator>
      <dc:date>2024-11-29T10:09:45Z</dc:date>
    </item>
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