Error while running adop in any phase.
facing following error while running adop in any phase,
[oracle@ebs122 PROD]$ adop phase=prepare
Enter the APPS password:
Enter the SYSTEM password:
Enter the WLSADMIN password:
Please wait. Validating credentials...
RUN file system context file: /u01/oracle/PROD/fs1/inst/apps/PROD_ebs122/appl/admin/PROD_ebs122.xml
PATCH file system context file: /u01/oracle/PROD/fs2/inst/apps/PROD_ebs122/appl/admin/PROD_ebs122.xml
Execute SYSTEM command : df /u01/oracle/PROD/fs2
Worker count determination...
Validation successful. All expected nodes are listed in ADOP_VALID_NODES table.
[EVENT] [START 2015/04/18 09:31:55] Performing database sanity checks
[ERROR] Failed to execute SQL statement :