使用oozie将lastvalue打印到新行的Sqoop

<workflow-app xmlns="uri:oozie:workflow:0.5" name="sqoop-workflow">
    <start to="sqoop-action"/>
    <action name="sqoop-action">
        <sqoop xmlns="uri:oozie:sqoop-action:0.2">
            <job-tracker>${jobTracker}</job-tracker>
            <name-node>${nameNode}</name-node>
            <command>import --connect jdbc:mysql://localhost/mydb --username root --password password --table mytable --target-dir /user/hadoop/mydata --last-value ${lastValue}</command>
            <configuration>
                <property>
                    <name>mapred.job.queue.name</name>
                    <value>${queueName}</value>
                </property>
            </configuration>
            <file>${workflowAppUri}/lib/mysql-connector-java.jar#mysql-connector-java.jar</file>
        </sqoop>
        <ok to="print-action"/>
        <error to="fail"/>
    </action>
    <action name="print-action">
        <shell xmlns="uri:oozie:shell-action:0.3">
            <job-tracker>${jobTracker}</job-tracker>
            <name-node>${nameNode}</name-node>
            <exec>echo "${lastValue}" >> /user/hadoop/mydata/lastvalue.txt</exec>
            <file>${workflowAppUri}/lib/mysql-connector-java.jar#mysql-connector-java.jar</file>
        </shell>
        <ok to="end"/>
        <error to="fail"/>
    </action>
    <kill name="fail">
        <message>Sqoop action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
    </kill>
    <end name="end"/>
</workflow-app>