results in "Error -1001: Database Connect Error: see sw_warn file for details" messages being returned.
The messages written to the sw_warn.log are:
2018/04/18 14:43:17.696116(<unknown>:0:4360:1::::unknown_swuser:idl.c:83006:6104): 1945-Database error: fil_init() OCIServerAttach Failed (Statement ID - 0) (ORA-12557: TNS: protocol adapter not loadable)
2018/04/18 18:00:09.759137(<unknown>:0:5616:1::::unknown_swuser:idl.c:83006:6104): 1945-Database error: fil_init() OCIServerAttach Failed (Statement ID - 0) (ORA-12154: TNS: could not resolve the connect identifier specified)
Environment
TIBCO iProcess Engine (Oracle)
Windows platform
Resolution
Ensure the ORACLE_HOME\NETWORK\ADMIN directory has sufficient permissions for the iProcess users to be able to read the tnsnames.ora file.
Issue/Introduction
Upgrading iPE reports Failed to connect to database and Node name doesn't match slave errors