Error on report Builder (Unable to Connect to the specifed Database, ORA-12541: TNS: no listener)
Unable to Connect to the specifed Database
ORA-12541: TNS: no listener
You may get this problem due to the TNS listener not entered or a wrong user name, password, database or Incorrect Database name
For TNS names Entry
Get the TNS entry in the tnsnames file.
Go to the location C:\DevSuiteHome_1\NETWORK\ADMIN\tnsnames.ora (check your location where DevSuiteHome is installed)
If there is not a file named tnsnames.ora create a file and that should be inside DevSuiteHome.
This DevSuiteHome that where your Oracle k2k gets installed .
You can refer to the sample file(tnsnames.ora ) in sample folder for reference.
Below is the format where
TEST → Database
Hostname → Hostname has to be given(IP address or Host address)
1523 → Port number
TEST → SID