[oozie] Validate that we can generate the graph of this workflow

ERROR    Internal Server Error: /oozie/list_oozie_workflow/0000446-150214184607753-oozie-oozi-W/
Traceback (most recent call last):
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/core/handlers/base.py", line 111, in get_response
    response = callback(request, *callback_args, **callback_kwargs)
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/apps/oozie/src/oozie/views/dashboard.py", line 110, in decorate
    return view_func(request, *args, **kwargs)
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/apps/oozie/src/oozie/views/dashboard.py", line 233, in list_oozie_workflow
    workflow_graph, full_node_list = Workflow.gen_status_graph_from_xml(request.user, oozie_workflow)
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/apps/oozie/src/oozie/models.py", line 554, in gen_status_graph_from_xml
    workflow.delete(skip_trash=True)
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/apps/oozie/src/oozie/models.py", line 136, in delete
    self.doc.all().delete()
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/models/query.py", line 513, in delete
    collector.collect(del_query)
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/models/deletion.py", line 151, in collect
    reverse_dependency=reverse_dependency)
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/models/deletion.py", line 95, in add
    if not objs:
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/models/query.py", line 130, in __nonzero__
    iter(self).next()
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/models/query.py", line 118, in _result_iter
    self._fill_cache()
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/models/query.py", line 892, in _fill_cache
    self._result_cache.append(self._iter.next())
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/models/query.py", line 291, in iterator
    for row in compiler.results_iter():
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/models/sql/compiler.py", line 763, in results_iter
    for rows in self.execute_sql(MULTI):
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/models/sql/compiler.py", line 818, in execute_sql
    cursor.execute(sql, params)
  File "/opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/hue/build/env/lib/python2.7/site-packages/Django-1.4.5-py2.7.egg/django/db/backends/postgresql_psycopg2/base.py", line 52, in execute
    return self.cursor.execute(query, args)

<workflow-app name="calculate-visits-item_info-matching-wflow" xmlns="uri:oozie:workflow:0.4">

    <start to="calculate-visits-item_info"/>

    <action name="calculate-visits-item_info">
        <pig>
            <job-tracker>${jobTracker}</job-tracker>
            <name-node>${nameNode}</name-node>
            <prepare>
                <delete path="${visits_item_info_out_dir}" />
            </prepare>
            <configuration>
                <property>
                    <name>mapred.job.queue.name</name>
                    <value>default</value>
                </property>
                <property>
                    <name>mapreduce.map.memory.mb</name>
                    <value>4096</value>
                </property>
                <property>
                    <name>pig.exec.reducers.bytes.per.reducer</name>
                    <value>50000000</value>
                </property>
                <property>
                    <name>pig.tmpfilecompression</name>
                    <value>true</value>
                </property>
                <property>
                    <name>pig.tmpfilecompression.codec</name>
                    <value>gz</value>
                </property>
                <property>
                    <name>mapred.compress.map.output</name>
                    <value>true</value>
                </property>
                <property>
                    <name>mapred.output.compress</name>
                    <value>true</value>
                </property>
                <property>
                    <name>avro.output.codec</name>
                    <value>snappy</value>
                </property>

                <property>
                    <name>mapred.map.max.attempts</name>
                    <value>2</value>
                </property>
                <property>
                    <name>mapred.reduce.max.attempts</name>
                    <value>2</value>
                </property>
                <property>
                    <name>mapred.task.timeout</name>
                    <value>3600000</value> <!-- 1 hour -->
                </property>
            </configuration>

            <script>pig/match_visit_and_item_info.pig</script>
            <param>sessionLength=${sessionLength}</param>

            <param>visit=${visit_md_in_dir}</param>
            <param>item_info=${item_info_in_dir}</param>
            <param>shops=${shop_in_dir}</param>
            <param>output=${visits_item_info_out_dir}</param>
            <param>path_to_schema=${path_to_schema_visits_item_info}</param>

            <param>udf=match_sources.py</param>
            <param>shop_url_matching_file_name=shop_url_matching_file_name</param>

            <file>pig/udf/match_sources.py#match_sources.py</file>
            <file>${shop_url_matching_in_dir}/${shop_url_matching_file_name}#shop_url_matching_file_name</file>
        </pig>
        <ok to="add-partition-visits-item_info"/>
        <error to="kill"/>
    </action>

    <action name="add-partition-visits-item_info">
        <java>
            <job-tracker>${jobTracker}</job-tracker>
            <name-node>${nameNode}</name-node>
            <configuration>
                <property>
                    <name>mapred.queue.name</name>
                    <value>default</value>
                </property>
            </configuration>
            <main-class&gt;ru.desert.common.hive.action.AddPartitionAction</main-class&gt;
            <arg>
                {
                "jdbcDriver":   "org.apache.hive.jdbc.HiveDriver",
                "jdbcUrl"   :   "${jdbcUrl}",
                "userName"  :   "${userName}",
                "tableName" :   "${tableName}",
                "location"  :   "${visits_item_info_out_dir}",
                "partitionCalculator" :  "${partitionCalculator}"
                }
            </arg>
        </java>
        <ok to="end"/>
        <error to="kill"/>
    </action>

    <kill name="kill">
        <message>Error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
    </kill>
    <end name="end"/>

</workflow-app>