PROSAGA码农传奇-YARN-Oozie shell动作为spark作业抛出NullPointerException

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    通过添加两个系统参数解决了该问题。
            HADOOP_CONF_DIR =的/ etc / hadoop的/ CONF
            YARN_CONF_DIR =的/ etc / hadoop的/ CONF
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  <P>
    更新的workflow.xml：
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   <pre>
    <code>
      <workflow-app name="test-job" xmlns="uri:oozie:workflow:0.5">
<credentials>
<credential name="hcat" type="hcat">
    <property>
        <name>hcat.metastore.uri</name>
        <value>${hcatMetastoreUri}</value>
    </property>
    <property>
        <name>hcat.metastore.principal</name>
        <value>${hcatMetastorePrincipal}</value>
    </property>
</credential>
<credential name="hive2" type="hive2">
    <property>
        <name>hive2.jdbc.url</name>
        <value>${hive2JdbcUrl}</value>
    </property>
    <property>
        <name>hive2.server.principal</name>
        <value>${hive2ServerPrincipal}</value>
    </property>
</credential>
</credentials>
<start to="shell-node"/>
<action name="shell-node" cred="hcat, hive2">
<shell xmlns="uri:oozie:shell-action:0.2">
      <job-tracker>${jobTracker}</job-tracker>
      <name-node>${nameNode}</name-node>
     <configuration>
        <property>
            <name>mapred.job.queue.name</name>
            <value>${queueName}</value>
        </property>
    </configuration>
    <exec>${myscript}</exec>
    <env-var>HADOOP_CONF_DIR=/etc/hadoop/conf</env-var>
    <env-var>YARN_CONF_DIR=/etc/hadoop/conf</env-var>
    <file>${myscriptPath}</file><file>hdfs://<HDFS_PATH>/application.properties#application.properties</file><file>hdfs://<HDFS_PATH>/test-job.jar#test-job.jar</file><file>hdfs://<HDFS_PATH>/myusr.keytab#myusr.keytab</file>
   <capture-output/>
   </shell>
   <ok to="end"/>
   <error to="fail"/>
   </action>
  <kill name="fail">
   <message>Shell action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
 </kill>
<kill name="fail-output">
<message>Incorrect output, expected [Hello Oozie] but was [${wf:actionData('shell-node')['my_output']}]</message>

</code>
  </pre>
  <P>
  </p>
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