If your AppDynamics controller uses a self-signed SSL certificate, Splunk may fail to establish a connection due to certificate verification errors. A common fix is to import the certificate into the Java keystore used by the controller or integration layer (like GlassFish). You can do this using the following command: keytool -import -alias appd-cert -keystore $JAVA_HOME/lib/security/cacerts -file /path/to/your/certificate.crt Make sure to restart the relevant service after importing the certificate.  I have found the resource via Google Search and this will help you: https://sslinsights.com/how-to-install-ssl-certificate-on-glassfish/ ... View more