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*
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<workflow-app xmlns="uri:oozie:workflow:0.1" name="recovery-wf">
    <start to="fs1"/>
    <action name="fs1">
        <fs>
            <mkdir path="${nnbase}/p1"/>
        </fs>
        <ok to="fs2"/>
        <error to="k"/>
    </action>
    <action name="fs2">
        <fs>
            <move source="${nnbase}/p1" target="${base}/p2"/>
        </fs>
        <ok to="dec3"/>
        <error to="k"/>
    </action>
    <decision name="dec3">
        <switch>
            <case to="fs4">${fs:exists(concat(nnbase, '/p2'))}</case>
            <default to="k"/>
        </switch>
    </decision>
    <action name="fs4">
        <fs>
            <move source="${nnbase}/p2" target="${base}/p3"/>
        </fs>
        <ok to="end"/>
        <error to="k"/>
    </action>
    <kill name="k">
        <message>kill</message>
    </kill>
    <end name="end"/>
</workflow-app>