We upgraded the Splunk DB Connect app to version 3.14.1, and the drivers as well ojdbc11.jar v.21.11 (Innovation Release)along with orai18n.jar. While trying to add new input we noticed that for some connections we got the error "cannot get schemas". However we are able to add inputs and connections are working.
The versions of databases are oracle 19.19 and 18.104.22.168. We downgraded the version of the driver to ojdbc11.jar v.19.20 (Long Term Release) along with respective orai18n.jar but still we "cannot get schemas". All the permissions to the user are given.
In the _internal index we encounter this error message: „Unable to get schemas metadata java.sql.SQLException: Non supported character set (add orai18n.jar in your classpath): EE8ISO8859P2”