Troubleshooting issues in Cloudera Data Warehouse on premises Get help and resources for troubleshooting issues in Cloudera Data Warehouse on premises. Locating Cloudera Data Warehouse on premises logsLearn how you can access logs for Cloudera Data Warehouse on premises. Downloading diagnostic bundles in Cloudera Data Warehouse on premisesYou can download diagnostic bundles for troubleshooting a Virtual Warehouse in Cloudera Data Warehouse on premises. The diagnostic bundles contain log files for the sidecar containers that support Hive or Impala components and for the components themselves. These diagnostic bundles are stored on HDFS in the form of ZIP files.Accessing and generating diagnostic bundles in Cloudera Data Warehouse on premisesCloudera Data Warehouse collects diagnostic data on workload logs, such as Impala Coordinator, Statefulset, CatalogD logs and stores it in the tmp directory on HDFS. You can download the logs using the Hue File Browser from the base cluster.Impala queries failDebugging Impala Virtual WarehousesYou can use the Catalog Web UI, Coordinator Web UI, and the StateStore Web UI to debug Impala Virtual Warehouses in Cloudera Data Warehouse. Resolving Kerberos authentication failureCloudera Data Warehouse fails to start after NameNode migrationWhen you perform an HDFS NameNode migration in Cloudera Base on premises, you may encounter issues with your Cloudera Data Warehouse instance for which you are required to deactivate and reactivate the Cloudera Base on premises environment, and then recreate your Hive and Impala Virtual Warehouses. Learn how you can mitigate these issues without having to deactivate your environment.
