rpoluri edited a comment on issue #528:
URL: https://github.com/apache/submarine/issues/528#issuecomment-791875808
This is happening when plugin is trying to refresh tags.
From below log, you can see plugin is creating a second RangerBasePlugin
instance with plugin type `ranger.plugin.hive` instead of `ranger.plugin.spark`
```
21/03/06 05:00:23 DEBUG RangerPolicyRepository: ==>
RangerPolicyRepository.buildContextEnricher(RangerContextEnricherDef={itemId={1}
name={TagEnricher}
enricher={org.apache.ranger.plugin.contextenricher.RangerTagEnricher}
enricherOptions={{tagRetrieverClassName=org.apache.ranger.plugin.contextenricher.RangerAdminTagRetriever,
tagRefresherPollingInterval=60000}} })
21/03/06 05:00:23 DEBUG RangerTagEnricher: ==> RangerTagEnricher.init()
21/03/06 05:00:23 DEBUG RangerAbstractContextEnricher: ==>
RangerAbstractContextEnricher.init(RangerContextEnricherDef={itemId={1}
name={TagEnricher}
enricher={org.apache.ranger.plugin.contextenricher.RangerTagEnricher}
enricherOptions={{tagRetrieverClassName=org.apache.ranger.plugin.contextenricher.RangerAdminTagRetriever,
tagRefresherPollingInterval=60000}} })
21/03/06 05:00:23 DEBUG RangerAbstractContextEnricher: <==
RangerAbstractContextEnricher.init(RangerContextEnricherDef={itemId={1}
name={TagEnricher}
enricher={org.apache.ranger.plugin.contextenricher.RangerTagEnricher}
enricherOptions={{tagRetrieverClassName=org.apache.ranger.plugin.contextenricher.RangerAdminTagRetriever,
tagRefresherPollingInterval=60000}} })
21/03/06 05:00:23 DEBUG RangerBasePlugin: ==>
RangerBasePlugin.createAdminClient(spark_service, sparkSql, ranger.plugin.hive)
21/03/06 05:00:23 DEBUG RangerBasePlugin: Value for
property[ranger.plugin.hive.policy.source.impl] was null or empty. Unexpected!
Will use policy source of
type[org.apache.ranger.admin.client.RangerAdminRESTClient]
21/03/06 05:00:23 DEBUG RangerAdminRESTClient: ==>
RangerAdminRESTClient.init(, null)
21/03/06 05:00:23 DEBUG RangerAdminRESTClient: <==
RangerAdminRESTClient.init(, null)
21/03/06 05:00:23 DEBUG RangerBasePlugin: <==
RangerBasePlugin.createAdminClient(spark_service, sparkSql,
ranger.plugin.hive): policySourceImpl=null,
client=org.apache.ranger.admin.client.RangerAdminRESTClient@2e1e0032
```
so able to fix/mitigate the issue by adding following entries in
`ranger-spark-security.xml`
```
<property>
<name>ranger.plugin.hive.policy.source.impl</name>
<value>org.apache.ranger.admin.client.RangerAdminRESTClient</value>
</property>
<property>
<name>ranger.plugin.hive.policy.rest.url</name>
<value>http://ranger-host:6080</value>
</property>
```
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