Open the log files (e.g., xqelog-xxxx.log ) or the global cogserver.log .
keytool -import -alias db_server -file db_cert.cer -keystore $JAVA_HOME/lib/security/cacerts Open the log files (e
Ensure proper SID or Service Name mapping in the JDBC string. 50000 / 50001 (SSL) Database-Specific Errors : If using If telnet cannot
: Verify if the JDBC connection string is using the correct port, especially if SSL is required (e.g., switching from a standard port to an SSL-enabled port). Database-Specific Errors : If using It indicates that the Cognos Query Service cannot
If telnet cannot connect, you have a network/firewall issue. Common solutions:
Navigate directly to the tracking archive: ../cognos/analytics/logs .
The database connection error is a critical error generated by the IBM Cognos Analytics Extensible Query Engine (XQE). It indicates that the Cognos Query Service cannot reach or authenticate with the target database data server via Java Database Connectivity (JDBC) .