Known Issues and Limitations in Cloudera Manager 6.2.1

If a selected service role on a node is restarted and fails, and the customer clicks the "Resume" button in Cloudera Manager, the service role on all of the nodes will be restarted concurrently.

Products affected: Cloudera Manager

Users affected: Users with admin role in Cloudera Manager can impact end users of the service.

Impact:In production clusters this can result in a cluster-wide service outage; Already observed for the YARN service and the HDFS service in a few clusters.

Severity: High

Knowledge article: For the latest update on this issue see the corresponding Knowledge article: Cloudera Customer Advisory: Cloudera Manager 6.x issue with service role Resume

When installing Cloudera Manager using MariaDB 10.2.8 or later, the Cloudera Manager web server doesn't come up and the install process ends with a failed status. The cloudera-scm-server.log includes the following SQL error:

2019-08-28 04:37:10,171 FATAL main:org.hsqldb.cmdline.SqlFile: SQL Error at 'UTF-8' line 57:
  "alter table ROLE_CONFIG_GROUPS
  drop column REVISION_ID"
  Key column 'REVISION_ID' doesn't exist in table
2019-08-28 04:37:10,171 FATAL main:org.hsqldb.cmdline.SqlFile: Rolling back SQL transaction.
2019-08-28 04:37:10,172 ERROR main:com.cloudera.enterprise.dbutil.SqlFileRunner: Exception while executing ddl scripts.
  com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Key column 'REVISION_ID' doesn't exist in table

Note that MariaDB 10.2.8 is provided by default in some operating systems, including SLES 12 SP4.

Workaround: Replace the default MariaDB 10.2.x version with MariaDB 10.2.7.

Affected Versions: MariaDB 10.2.8 and later

Cloudera Issue: OPSAPS-52340

Cloudera Manager 6.2.0 contains the third-party license notification for a previous release. You can view the correct license notification file here or on the Third-party License Page for Cloudera Manager.

When the table filter used during hive cloud restore is different from the table filter used to create the hive cloud backup, the import step fails with the table not found error. Currently it impacts only the cloud restore scenario.

Products affected: Cloudera Manager

Users affected: BDR, Hive cloud restore, where restore uses a subset of tables from the exported tables

Addressed in release/refresh/patch: Cloudera Manager 7.0 and higher versions

There are a number of limitations and considerations for running Virtual Private Clusters, including the types of services you can run on a Compute cluster and supported versions of CDH. See Compatibility Considerations for Virtual Private Clusters.

Cloudera Bug: OPSAPS-47436

To enable Hue to run Hive queries on a Compute cluster, you must install the Hive Execution Service on the Compute cluster.

Cloudera Bug: DOCS-4438 OPSAPS-49062

When running a Hive replication job, the invalidate metadata command is run automatically by the replication job and runs as the impala user. If an administrator has configured a different user with permissions to run the invalidate metadata command, the command fails.

Workaround: Grant the Impala user permission to run the invalidate metadata command.

Cloudera Bug: OPSAPS-44327

If you are using an older version of OpenJDK 1.8 and have enabled SSL/TLS for the Cloudera Manager Admin Console, you may encounter a TLS protocol error when connecting to the Admin Console, stating that there are no ciphers in common. This is because older versions of OpenJDK may not implement certain TLS ciphers, causing an inability to log into the Cloudera Manager Admin Console when TLS is enabled.

Workaround:

Cloudera Bug: OPSAPS-49578