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    <title>question HDP 2.6.3 Install &amp; Upgrade Issue in Archives of Support Questions (Read Only)</title>
    <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/HDP-2-6-3-Install-Upgrade-Issue/m-p/183588#M70958</link>
    <description>&lt;P&gt;I'm upgrading hdp 2.6.2.14 to 2.6.3.0, but I'm stuck in this issue and cannot finalize upgrade procedure.&lt;/P&gt;&lt;P&gt;JAVA ENV : jdk 1.7&lt;/P&gt;&lt;P&gt;To my way of thinking, '&lt;STRONG&gt;java.lang.UnsupportedClassVersionError: org/apache/spark/network/yarn/YarnShuffleService : Unsupported major.minor version 52.0' this issue is different version between jdk7 and jdk8. Maybe &lt;/STRONG&gt;&lt;STRONG&gt;YarnShuffleService.class file is compiled by jdk7 compiler by apache's &lt;/STRONG&gt;&lt;STRONG&gt;some developer.&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;I think, this issue should be fixed ASAP. I know jdk7 is deprecated in this HDP 2.6.3.0 version and it will be removed future version.&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;Nodemanager Log.&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,530 INFOyarn.YarnShuffleService (YarnShuffleService.java:serviceInit(156)) - Started YARN shuffle service for Spark on port 7337. Authentication is not enabled.Registered executor file is /data/log/hadoop/hadoop-yarn/nodemanager/recovery-state/nm-aux-services/spark_shuffle/registeredExecutors.ldb&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,532 INFOutil.ApplicationClassLoader (ApplicationClassLoader.java:&amp;lt;init&amp;gt;(105)) - classpath: [file:/usr/hdp/2.6.3.0-235/spark2/aux/spark-2.2.0.2.6.3.0-235-yarn-shuffle.jar]&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,532 INFOutil.ApplicationClassLoader (ApplicationClassLoader.java:&amp;lt;init&amp;gt;(106)) - system classes: [java., javax.accessibility., javax.activation., javax.activity., javax.annotation., javax.annotation.processing., javax.crypto., javax.imageio., javax.jws., javax.lang.model., -javax.management.j2ee., javax.management., javax.naming., javax.net., javax.print., javax.rmi., javax.script., -javax.security.auth.message., javax.security.auth., javax.security.cert., javax.security.sasl., javax.sound., javax.sql., javax.swing., javax.tools., javax.transaction., -javax.xml.registry., -javax.xml.rpc., javax.xml., org.w3c.dom., org.xml.sax., org.apache.commons.logging., org.apache.log4j., -org.apache.hadoop.hbase., org.apache.hadoop., core-default.xml, hdfs-default.xml, mapred-default.xml, yarn-default.xml]&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;2017-11-08 09:17:51,534 FATAL nodemanager.NodeManager (NodeManager.java:initAndStartNodeManager(549)) - Error starting NodeManager&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;java.lang.UnsupportedClassVersionError: org/apache/spark/network/yarn/YarnShuffleService : Unsupported major.minor version 52.0&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;at java.lang.ClassLoader.defineClass1(Native Method)&lt;/P&gt;&lt;P&gt;at java.lang.ClassLoader.defineClass(ClassLoader.java:800)&lt;/P&gt;&lt;P&gt;at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader.access$100(URLClassLoader.java:71)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader$1.run(URLClassLoader.java:361)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader$1.run(URLClassLoader.java:355)&lt;/P&gt;&lt;P&gt;at java.security.AccessController.doPrivileged(Native Method)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader.findClass(URLClassLoader.java:354)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:184)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:165)&lt;/P&gt;&lt;P&gt;at java.lang.Class.forName0(Native Method)&lt;/P&gt;&lt;P&gt;at java.lang.Class.forName(Class.java:274)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxiliaryServiceWithCustomClassLoader.getInstance(AuxiliaryServiceWithCustomClassLoader.java:169)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.serviceInit(AuxServices.java:131)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.serviceInit(ContainerManagerImpl.java:245)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:291)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:546)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:594)&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,539 INFOimpl.MetricsSystemImpl (MetricsSystemImpl.java:stop(211)) - Stopping NodeManager metrics system...&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,539 INFOimpl.MetricsSinkAdapter (MetricsSinkAdapter.java:publishMetricsFromQueue(141)) - timeline thread interrupted.&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,540 INFOimpl.MetricsSystemImpl (MetricsSystemImpl.java:stop(217)) - NodeManager metrics system stopped.&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,541 INFOimpl.MetricsSystemImpl (MetricsSystemImpl.java:shutdown(606)) - NodeManager metrics system shutdown complete.&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,545 INFOnodemanager.NodeManager (LogAdapter.java:info(45)) - SHUTDOWN_MSG:&lt;/P&gt;</description>
    <pubDate>Wed, 08 Nov 2017 08:30:21 GMT</pubDate>
    <dc:creator>MindGlass</dc:creator>
    <dc:date>2017-11-08T08:30:21Z</dc:date>
    <item>
      <title>HDP 2.6.3 Install &amp; Upgrade Issue</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/HDP-2-6-3-Install-Upgrade-Issue/m-p/183588#M70958</link>
      <description>&lt;P&gt;I'm upgrading hdp 2.6.2.14 to 2.6.3.0, but I'm stuck in this issue and cannot finalize upgrade procedure.&lt;/P&gt;&lt;P&gt;JAVA ENV : jdk 1.7&lt;/P&gt;&lt;P&gt;To my way of thinking, '&lt;STRONG&gt;java.lang.UnsupportedClassVersionError: org/apache/spark/network/yarn/YarnShuffleService : Unsupported major.minor version 52.0' this issue is different version between jdk7 and jdk8. Maybe &lt;/STRONG&gt;&lt;STRONG&gt;YarnShuffleService.class file is compiled by jdk7 compiler by apache's &lt;/STRONG&gt;&lt;STRONG&gt;some developer.&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;I think, this issue should be fixed ASAP. I know jdk7 is deprecated in this HDP 2.6.3.0 version and it will be removed future version.&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;Nodemanager Log.&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,530 INFOyarn.YarnShuffleService (YarnShuffleService.java:serviceInit(156)) - Started YARN shuffle service for Spark on port 7337. Authentication is not enabled.Registered executor file is /data/log/hadoop/hadoop-yarn/nodemanager/recovery-state/nm-aux-services/spark_shuffle/registeredExecutors.ldb&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,532 INFOutil.ApplicationClassLoader (ApplicationClassLoader.java:&amp;lt;init&amp;gt;(105)) - classpath: [file:/usr/hdp/2.6.3.0-235/spark2/aux/spark-2.2.0.2.6.3.0-235-yarn-shuffle.jar]&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,532 INFOutil.ApplicationClassLoader (ApplicationClassLoader.java:&amp;lt;init&amp;gt;(106)) - system classes: [java., javax.accessibility., javax.activation., javax.activity., javax.annotation., javax.annotation.processing., javax.crypto., javax.imageio., javax.jws., javax.lang.model., -javax.management.j2ee., javax.management., javax.naming., javax.net., javax.print., javax.rmi., javax.script., -javax.security.auth.message., javax.security.auth., javax.security.cert., javax.security.sasl., javax.sound., javax.sql., javax.swing., javax.tools., javax.transaction., -javax.xml.registry., -javax.xml.rpc., javax.xml., org.w3c.dom., org.xml.sax., org.apache.commons.logging., org.apache.log4j., -org.apache.hadoop.hbase., org.apache.hadoop., core-default.xml, hdfs-default.xml, mapred-default.xml, yarn-default.xml]&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;2017-11-08 09:17:51,534 FATAL nodemanager.NodeManager (NodeManager.java:initAndStartNodeManager(549)) - Error starting NodeManager&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;java.lang.UnsupportedClassVersionError: org/apache/spark/network/yarn/YarnShuffleService : Unsupported major.minor version 52.0&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;at java.lang.ClassLoader.defineClass1(Native Method)&lt;/P&gt;&lt;P&gt;at java.lang.ClassLoader.defineClass(ClassLoader.java:800)&lt;/P&gt;&lt;P&gt;at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader.access$100(URLClassLoader.java:71)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader$1.run(URLClassLoader.java:361)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader$1.run(URLClassLoader.java:355)&lt;/P&gt;&lt;P&gt;at java.security.AccessController.doPrivileged(Native Method)&lt;/P&gt;&lt;P&gt;at java.net.URLClassLoader.findClass(URLClassLoader.java:354)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:184)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:165)&lt;/P&gt;&lt;P&gt;at java.lang.Class.forName0(Native Method)&lt;/P&gt;&lt;P&gt;at java.lang.Class.forName(Class.java:274)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxiliaryServiceWithCustomClassLoader.getInstance(AuxiliaryServiceWithCustomClassLoader.java:169)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.serviceInit(AuxServices.java:131)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.serviceInit(ContainerManagerImpl.java:245)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:291)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:546)&lt;/P&gt;&lt;P&gt;at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:594)&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,539 INFOimpl.MetricsSystemImpl (MetricsSystemImpl.java:stop(211)) - Stopping NodeManager metrics system...&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,539 INFOimpl.MetricsSinkAdapter (MetricsSinkAdapter.java:publishMetricsFromQueue(141)) - timeline thread interrupted.&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,540 INFOimpl.MetricsSystemImpl (MetricsSystemImpl.java:stop(217)) - NodeManager metrics system stopped.&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,541 INFOimpl.MetricsSystemImpl (MetricsSystemImpl.java:shutdown(606)) - NodeManager metrics system shutdown complete.&lt;/P&gt;&lt;P&gt;2017-11-08 09:17:51,545 INFOnodemanager.NodeManager (LogAdapter.java:info(45)) - SHUTDOWN_MSG:&lt;/P&gt;</description>
      <pubDate>Wed, 08 Nov 2017 08:30:21 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/HDP-2-6-3-Install-Upgrade-Issue/m-p/183588#M70958</guid>
      <dc:creator>MindGlass</dc:creator>
      <dc:date>2017-11-08T08:30:21Z</dc:date>
    </item>
    <item>
      <title>Re: HDP 2.6.3 Install &amp; Upgrade Issue</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/HDP-2-6-3-Install-Upgrade-Issue/m-p/183589#M70959</link>
      <description>&lt;P&gt;&lt;A rel="user" href="https://community.cloudera.com/users/11679/peter1.html" nodeid="11679" target="_blank"&gt;@Peter Kim&lt;BR /&gt;&lt;/A&gt;&lt;/P&gt;&lt;P&gt;ERROR:&lt;/P&gt;&lt;PRE&gt;java.lang.UnsupportedClassVersionError: org/apache/spark/network/yarn/YarnShuffleService : Unsupported major.minor version 52.0&lt;/PRE&gt;&lt;P&gt;&lt;STRONG&gt;.&lt;BR /&gt;&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;From HDP 2.6.3 onwards JDK 1.8  Must to be used&lt;/STRONG&gt; as codes are compiled agains this JDK for few components as JDK 1.7 is already EOL (End Of Life Few year back).&lt;/P&gt;&lt;P&gt;&lt;A href="https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.3/bk_support-matrices/content/ch_matrices-hdp.html" target="_blank" rel="nofollow noopener noreferrer"&gt;https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.3/bk_support-matrices/content/ch_matrices-hdp.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="42496-jdk-support.png" style="width: 525px;"&gt;&lt;img src="https://community.cloudera.com/t5/image/serverpage/image-id/19054iE8E10BD9D6E963F9/image-size/medium?v=v2&amp;amp;px=400" role="button" title="42496-jdk-support.png" alt="42496-jdk-support.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;.&lt;/P&gt;&lt;P&gt;So you should upgrade the JDK to 1.8 and then upgrade HDP.   So please Install JDK 1.8 and set the JAVA_HOME accordingly. You can also setup JDK 1.8 via ambari using:&lt;/P&gt;&lt;PRE&gt;# ambari-server setup –j /usr/lib/jvm18&lt;/PRE&gt;&lt;P&gt;&lt;A href="https://docs.hortonworks.com/HDPDocuments/Ambari-2.5.1.0/bk_ambari-installation/content/setup_options.html" target="_blank" rel="nofollow noopener noreferrer"&gt;https://docs.hortonworks.com/HDPDocuments/Ambari-2.5.1.0/bk_ambari-installation/content/setup_options.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;.&lt;/P&gt;</description>
      <pubDate>Sun, 18 Aug 2019 08:41:42 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/HDP-2-6-3-Install-Upgrade-Issue/m-p/183589#M70959</guid>
      <dc:creator>jsensharma</dc:creator>
      <dc:date>2019-08-18T08:41:42Z</dc:date>
    </item>
    <item>
      <title>Re: HDP 2.6.3 Install &amp; Upgrade Issue</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/HDP-2-6-3-Install-Upgrade-Issue/m-p/183590#M70960</link>
      <description>&lt;P&gt;I didn't notice that actually. That because a little different version of HDP 2.6.2 to HDP 2.6.3..&lt;/P&gt;&lt;P&gt;And as I know, JDK 1.8 minimum requirement will be adopted HDP 3.0+....&lt;/P&gt;</description>
      <pubDate>Wed, 08 Nov 2017 12:10:01 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/HDP-2-6-3-Install-Upgrade-Issue/m-p/183590#M70960</guid>
      <dc:creator>MindGlass</dc:creator>
      <dc:date>2017-11-08T12:10:01Z</dc:date>
    </item>
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