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OnCommand Insight Data Warehouse fails to connect to reporting server due to inadequate memory and CPU reservations

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Category:
oncommand-insight-data-warehouse
Specialty:
oci
Last Updated:

Applies to

  • OnCommand Insight (OCI) 7.3.X
  • OnCommand Insight Data warehouse (DWH) 7.3.X

Issue

The DWH backup failed with below error

2020-12-12 10:02:00,142 INFO [Thread-3014 (ActiveMQ-client-global-threads)] BackupScheduleBean (BackupScheduleBean.java:50) - Starting Create Backup
2020-12-12 10:02:01,112 ERROR [default task-969] DwhRestApplication (DwhRestApplication.java:128) - Failed to get user cognos_admin, error: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: could not execute query
javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: could not execute query
Caused by: org.hibernate.exception.GenericJDBCException: could not execute query
 
Caused by: java.sql.SQLException: No operations allowed after statement closed.
 
2020-12-12 10:02:01,737 ERROR [Thread-3014 (ActiveMQ-client-global-threads)] BackupScheduleBean (BackupScheduleBean.java:72) - Failed to generate dwh and cognos backup.
com.netapp.sanscreen.dwh.upgrade.UpgradeException: Failed to connect to reporting server, server might be down. Confirm reporting server availability and try again.
Caused by: com.netapp.sanscreen.dwh.cognos.CognosClientException: Failed to connect to reporting server, server might be down. Confirm reporting server availability and try again.
Caused by: org.apache.axis.AxisFault: CM-REQ-4342 An error occurred with the client.
 
 
Symptoms
 
1) DWH server was going to a freeze state for couple of days and when there is manual activity on server the server behaves normally.
 
2) Unable to login into Cognos reporting portal intermittently.

 

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