Release Notes
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Known Issues for IOP

This section lists all the known issues specifically related to upgrading from IOP 4.2.5 to HDP 2.6.2.

Hortonworks Bug IDApache JIRAApache ComponentSummary
BUG-86825AMBARI-21800, AMBARI-21820Ambari

Description of Problem: Some services have issue coming up after express upgrade on IOP clusters

Workaround: For a detailed workaround, see ​Post-upgrade Tasks.


Summary: On IOP migrated cluster, if solr cloud is on then audit to solr is failing for storm due to unauthorised error

Description of Problem: Audits for Ranger Storm plugin are not written when using Ambari Infra/SolrCloud.


  1. Add Storm to the configuration by changing Ambari InfraAdvancedAdvanced infra-solr-security-jsonRanger Audit Service Users from:



  2. Restart Ambari infra-solr.

  3. If a different principal is used in /etc/storm/conf/storm_jaas.conf under StormClient, use that principal in the above config instead of storm.


Summary: Oozie Hive job failed with NoClassDefFoundError

Description of Problem: If Oozie HA is enabled, Oozie Hive jobs may fail with the following error in the yarn application log:

 <<< Invocation of Main class completed <<<

Failing Oozie Launcher, Main class [org.apache.oozie.action.hadoop.HiveMain], main() threw exception, org/apache/hadoop/hive/shims/ShimLoader
java.lang.NoClassDefFoundError: org/apache/hadoop/hive/shims/ShimLoader
	at org.apache.hadoop.hive.conf.HiveConf$ConfVars.<clinit>(
	at org.apache.hadoop.hive.conf.HiveConf.<clinit>(
	at sun.misc.Unsafe.ensureClassInitialized(Native Method)

Workaround: Use the following as workaround steps:

  1. Run the following command as the oozie user: oozie admin -oozie http://<oozie-server-host>:11000/oozie -sharelibupdate

  2. Rerun the oozie hive job to verify.

BUG-86967N/AAmbari, YARN

Description of Problem: After upgrading from BigInsights 4.2.0 or 4.2.5 to HDP 2.6, ATS applications remain in the active directory and are never moved to the done directory upon completion. This is due to an incorrect property specified in yarn-site.


Set the following property in yarn-site:

Property Name:
Property Value: org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore

After setting this property, restart any stale components.


Summary: RPC Protection Type is not being set on the IOP migrated cluster

Description of Problem: Test connection fails for HDFS repository.

Workaround: In Ranger UI, edit the HDFS repository and set parameter to a value of authentication.