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    <title>question App timeline server fails to start after hdp 2.6.5 upgrade and installation of Apache slider with error: ClassNotFoundException: org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl in Archives of Support Questions (Read Only)</title>
    <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/App-timeline-server-fails-to-start-after-hdp-2-6-5-upgrade/m-p/225962#M82544</link>
    <description>&lt;P&gt;Hello All ,&lt;/P&gt;&lt;P&gt;I have upgraded hdp to 2.6.5.0 from hdp 2.5.0.0 and installed Apache slider on hdp 2.6.5.0 .&lt;/P&gt;&lt;P&gt;After installation of apache slider the App timeline server is not starting .Below error is displayed in the logs:&lt;/P&gt;&lt;P&gt;2018-08-22 13:39:08,699 INFO  service.AbstractService (AbstractService.java:noteFailure(272)) - Service EntityGroupFSTimelineStore failed in state INITED; cause: java.lang.RuntimeException: No class defined for org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
java.lang.RuntimeException: No class defined for org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.loadPlugIns(EntityGroupFSTimelineStore.java:256)
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.serviceInit(EntityGroupFSTimelineStore.java:196)
        at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.serviceInit(ApplicationHistoryServer.java:111)
        at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.launchAppHistoryServer(ApplicationHistoryServer.java:174)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.main(ApplicationHistoryServer.java:184)
Caused by: java.lang.ClassNotFoundException: org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:197)
        at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:165)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.loadPlugIns(EntityGroupFSTimelineStore.java:243)
        ... 7 more
2018-08-22 13:39:08,700 INFO  timeline.EntityGroupFSTimelineStore (EntityGroupFSTimelineStore.java:serviceStop(330)) - Stopping EntityGroupFSTimelineStore
2018-08-22 13:39:08,702 INFO  service.AbstractService (AbstractService.java:noteFailure(272)) - Service org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer failed in state INITED; cause: java.lang.RuntimeException: No class defined for org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
java.lang.RuntimeException: No class defined for org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.loadPlugIns(EntityGroupFSTimelineStore.java:256)
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.serviceInit(EntityGroupFSTimelineStore.java:196)
        at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.serviceInit(ApplicationHistoryServer.java:111)
        at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.launchAppHistoryServer(ApplicationHistoryServer.java:174)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.main(ApplicationHistoryServer.java:184)
Caused by: java.lang.ClassNotFoundException: org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:197)
        at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:165)
        at java.lang.Class.forName0(Native Method)&lt;/P&gt;
&lt;P&gt;&lt;/P&gt;</description>
    <pubDate>Fri, 16 Sep 2022 13:36:57 GMT</pubDate>
    <dc:creator>tauqeerkhan</dc:creator>
    <dc:date>2022-09-16T13:36:57Z</dc:date>
    <item>
      <title>App timeline server fails to start after hdp 2.6.5 upgrade and installation of Apache slider with error: ClassNotFoundException: org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/App-timeline-server-fails-to-start-after-hdp-2-6-5-upgrade/m-p/225962#M82544</link>
      <description>&lt;P&gt;Hello All ,&lt;/P&gt;&lt;P&gt;I have upgraded hdp to 2.6.5.0 from hdp 2.5.0.0 and installed Apache slider on hdp 2.6.5.0 .&lt;/P&gt;&lt;P&gt;After installation of apache slider the App timeline server is not starting .Below error is displayed in the logs:&lt;/P&gt;&lt;P&gt;2018-08-22 13:39:08,699 INFO  service.AbstractService (AbstractService.java:noteFailure(272)) - Service EntityGroupFSTimelineStore failed in state INITED; cause: java.lang.RuntimeException: No class defined for org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
java.lang.RuntimeException: No class defined for org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.loadPlugIns(EntityGroupFSTimelineStore.java:256)
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.serviceInit(EntityGroupFSTimelineStore.java:196)
        at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.serviceInit(ApplicationHistoryServer.java:111)
        at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.launchAppHistoryServer(ApplicationHistoryServer.java:174)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.main(ApplicationHistoryServer.java:184)
Caused by: java.lang.ClassNotFoundException: org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:197)
        at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:165)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.loadPlugIns(EntityGroupFSTimelineStore.java:243)
        ... 7 more
2018-08-22 13:39:08,700 INFO  timeline.EntityGroupFSTimelineStore (EntityGroupFSTimelineStore.java:serviceStop(330)) - Stopping EntityGroupFSTimelineStore
2018-08-22 13:39:08,702 INFO  service.AbstractService (AbstractService.java:noteFailure(272)) - Service org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer failed in state INITED; cause: java.lang.RuntimeException: No class defined for org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
java.lang.RuntimeException: No class defined for org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.loadPlugIns(EntityGroupFSTimelineStore.java:256)
        at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.serviceInit(EntityGroupFSTimelineStore.java:196)
        at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.serviceInit(ApplicationHistoryServer.java:111)
        at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.launchAppHistoryServer(ApplicationHistoryServer.java:174)
        at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer.main(ApplicationHistoryServer.java:184)
Caused by: java.lang.ClassNotFoundException: org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:197)
        at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:165)
        at java.lang.Class.forName0(Native Method)&lt;/P&gt;
&lt;P&gt;&lt;/P&gt;</description>
      <pubDate>Fri, 16 Sep 2022 13:36:57 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/App-timeline-server-fails-to-start-after-hdp-2-6-5-upgrade/m-p/225962#M82544</guid>
      <dc:creator>tauqeerkhan</dc:creator>
      <dc:date>2022-09-16T13:36:57Z</dc:date>
    </item>
    <item>
      <title>Re: App timeline server fails to start after hdp 2.6.5 upgrade and installation of Apache slider with error: ClassNotFoundException: org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/App-timeline-server-fails-to-start-after-hdp-2-6-5-upgrade/m-p/225963#M82545</link>
      <description>&lt;P&gt;Is TEZ installed on your cluster? From the "Upgrading Timeline Server 1.0 to 1.5" documentation;&lt;/P&gt;&lt;PRE&gt;If you have Tez enabled, the tez-client must be installed on the ATS server. You must also perform this additional step:
  &amp;lt;property&amp;gt;
    &amp;lt;name&amp;gt;yarn.timeline-service.entity-group-fs-store.group-id-plugin-classes&amp;lt;/name&amp;gt;
    &amp;lt;value&amp;gt;org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl&amp;lt;/value&amp;gt;
  &amp;lt;/property&amp;gt;&lt;/PRE&gt;&lt;P&gt;&lt;BR /&gt;Install the TEZ client on the ATS Server if you haven't got this already.&lt;BR /&gt;If you already have the TEZ client installed on the ATS server, we may have to try a reinstall of the TEZ client on that host.&lt;/P&gt;</description>
      <pubDate>Wed, 22 Aug 2018 21:42:08 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/App-timeline-server-fails-to-start-after-hdp-2-6-5-upgrade/m-p/225963#M82545</guid>
      <dc:creator>JonathanSneep</dc:creator>
      <dc:date>2018-08-22T21:42:08Z</dc:date>
    </item>
    <item>
      <title>Re: App timeline server fails to start after hdp 2.6.5 upgrade and installation of Apache slider with error: ClassNotFoundException: org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/App-timeline-server-fails-to-start-after-hdp-2-6-5-upgrade/m-p/225964#M82546</link>
      <description>&lt;P&gt;&lt;A rel="user" href="https://community.cloudera.com/users/84313/jsneep.html" nodeid="84313"&gt;@Jonathan Sneep&lt;/A&gt; : Thanks ! i didnt had tez client on the ATS server.After installation the ATS came up .&lt;/P&gt;</description>
      <pubDate>Wed, 22 Aug 2018 22:16:26 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/App-timeline-server-fails-to-start-after-hdp-2-6-5-upgrade/m-p/225964#M82546</guid>
      <dc:creator>tauqeerkhan</dc:creator>
      <dc:date>2018-08-22T22:16:26Z</dc:date>
    </item>
    <item>
      <title>Re: App timeline server fails to start after hdp 2.6.5 upgrade and installation of Apache slider with error: ClassNotFoundException: org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/App-timeline-server-fails-to-start-after-hdp-2-6-5-upgrade/m-p/225965#M82547</link>
      <description>&lt;P&gt;Awesome, glad to hear that it's working for you now &lt;span class="lia-unicode-emoji" title=":slightly_smiling_face:"&gt;🙂&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Wed, 22 Aug 2018 22:50:54 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/App-timeline-server-fails-to-start-after-hdp-2-6-5-upgrade/m-p/225965#M82547</guid>
      <dc:creator>JonathanSneep</dc:creator>
      <dc:date>2018-08-22T22:50:54Z</dc:date>
    </item>
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