Symptoms
The following tasks appear in Task Manager after upgrade to OA5.5:
Task ID 402360
Queue name webcluster_resource_usage
Task name Merge NG resource usage to resource usage log
Task description Merge NG resource usage to resource usage log
Parent task ID 88
Queue status Failed
Start not earlier than Jul-17-2014 07:02
Method name taskResUsageMerge on OBJREF:H2EClusterRegistrar:0:H2EResourceManager:0
Last execution output
'ERROR: relation "apache_h2e_resource_usage" does not exist at character 48; Error while executing the query' while ' SELECT SUM(usage) AS usage, resource_id FROM apache_h2e_resource_usage GROUP BY resource_id'
Cause
Bug POA-81200
Resolution
The issue has been reported to the development team as a bug POA-81200, it has been fixed in OA 6.0. For the version 5.5 the workaround is to cancel such tasks - they are related to non-existing table and actually not needed.