REP-501: The specified database cannot be connected.

Check for the "TNS_ADMIN" value in the "reports_process.xml" file in the
" /u01/app/oracle/config/domains/mydomain/system_components/ReportsServerComponent/rep_wls_reports_andrew-app/data/nodemanager ".
Change the value as per the tnsnames.ora location as per below.
ie. "/u01/app/oracle/config/domains/mydomain/config/fmwconfig"
Eventually reports_process.xml file shold looks like below.

[oracle@andrew-app nodemanager]$ cat reports_process.xml







[oracle@andrew-app nodemanager]$
[oracle@andrew-app nodemanager]$ cat reports_process.xml # [oracle@andrew-app nodemanager]$