Cause
This error occurs if an error is encountered while accessing the database control file. This can be due to a security or accessibility problem (for example, if another process is accessing the file), the file becoming corrupted, or the device containing the file encountering read or write errors.
Action
Use the information contained in the JADE messages log file (jommsg.log) to determine the cause of the failure and then take corrective action. The logged information includes the path name of the control file and the actual error that was encountered.