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    <title>question Re: Not able to run spark-sql on yarn in an edgenode with only spark-client installed in Support Questions</title>
    <link>https://community.cloudera.com/t5/Support-Questions/Not-able-to-run-spark-sql-on-yarn-in-an-edgenode-with-only/m-p/242800#M204599</link>
    <description>&lt;P&gt;fixed after adding the edgenode into the datanode /etc/hosts&lt;/P&gt;</description>
    <pubDate>Thu, 24 Jan 2019 14:22:57 GMT</pubDate>
    <dc:creator>xpelive</dc:creator>
    <dc:date>2019-01-24T14:22:57Z</dc:date>
    <item>
      <title>Not able to run spark-sql on yarn in an edgenode with only spark-client installed</title>
      <link>https://community.cloudera.com/t5/Support-Questions/Not-able-to-run-spark-sql-on-yarn-in-an-edgenode-with-only/m-p/242799#M204598</link>
      <description>&lt;P&gt;hi there, &lt;/P&gt;&lt;P&gt;Below spark-sql comand failed to run on an edgenode with only spark-client installed &lt;/P&gt;&lt;PRE&gt;spark-sql --executor-cores 2 --num-executors 2 -e 'select profitcenter, count(1) from default.tableX group by profitcenter' --master yarn  --name spark_sql_test1 --verbose --queue default&lt;/PRE&gt;&lt;P&gt;The error log is:&lt;/P&gt;&lt;PRE&gt;19/01/23 19:18:24 ERROR ApplicationMaster: Failed to connect to driver at emr-header-1.cluster-92503:35638, retrying ...
19/01/23 19:18:24 ERROR ApplicationMaster: Uncaught exception:
org.apache.spark.SparkException: Failed to connect to driver!
        at org.apache.spark.deploy.yarn.ApplicationMaster.waitForSparkDriver(ApplicationMaster.scala:672)
        at org.apache.spark.deploy.yarn.ApplicationMaster.runExecutorLauncher(ApplicationMaster.scala:532)
        at org.apache.spark.deploy.yarn.ApplicationMaster.org$apache$spark$deploy$yarn$ApplicationMaster$runImpl(ApplicationMaster.scala:347)
        at org.apache.spark.deploy.yarn.ApplicationMaster$anonfun$run$2.apply$mcV$sp(ApplicationMaster.scala:260)
        at org.apache.spark.deploy.yarn.ApplicationMaster$anonfun$run$2.apply(ApplicationMaster.scala:260)
        at org.apache.spark.deploy.yarn.ApplicationMaster$anonfun$run$2.apply(ApplicationMaster.scala:260)
        at org.apache.spark.deploy.yarn.ApplicationMaster$anon$5.run(ApplicationMaster.scala:815)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1727)
        at org.apache.spark.deploy.yarn.ApplicationMaster.doAsUser(ApplicationMaster.scala:814)
        at org.apache.spark.deploy.yarn.ApplicationMaster.run(ApplicationMaster.scala:259)
        at org.apache.spark.deploy.yarn.ApplicationMaster$.main(ApplicationMaster.scala:839)
        at org.apache.spark.deploy.yarn.ExecutorLauncher$.main(ApplicationMaster.scala:869)
        at org.apache.spark.deploy.yarn.ExecutorLauncher.main(ApplicationMaster.scala)
19/01/23 19:18:24 INFO ApplicationMaster: Final app status: FAILED, exitCode: 13, (reason: Uncaught exception: org.apache.spark.SparkException: Failed to connect to driver!)
19/01/23 19:18:24 INFO ShutdownHookManager: Shutdown hook called
End of LogType:stderr&lt;/PRE&gt;&lt;P&gt;emr-header-1.cluster-92503 is the hostname of the edgenode..&lt;/P&gt;&lt;P&gt;The command works fine if change it to local[*]&lt;/P&gt;&lt;P&gt;Would some one has any ideas?&lt;/P&gt;&lt;P&gt;Thanks&lt;/P&gt;&lt;P&gt;Forest&lt;/P&gt;</description>
      <pubDate>Wed, 23 Jan 2019 23:51:07 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/Not-able-to-run-spark-sql-on-yarn-in-an-edgenode-with-only/m-p/242799#M204598</guid>
      <dc:creator>xpelive</dc:creator>
      <dc:date>2019-01-23T23:51:07Z</dc:date>
    </item>
    <item>
      <title>Re: Not able to run spark-sql on yarn in an edgenode with only spark-client installed</title>
      <link>https://community.cloudera.com/t5/Support-Questions/Not-able-to-run-spark-sql-on-yarn-in-an-edgenode-with-only/m-p/242800#M204599</link>
      <description>&lt;P&gt;fixed after adding the edgenode into the datanode /etc/hosts&lt;/P&gt;</description>
      <pubDate>Thu, 24 Jan 2019 14:22:57 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/Not-able-to-run-spark-sql-on-yarn-in-an-edgenode-with-only/m-p/242800#M204599</guid>
      <dc:creator>xpelive</dc:creator>
      <dc:date>2019-01-24T14:22:57Z</dc:date>
    </item>
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