On a new SDI 7.2 installation (with Java 8 and the latest Connections TDISOL directory for Java 8), I ran into a weird error: CTGDKG023E Error while starting main class.java.lang.reflect.InvocationTargetException .. Caused by: java.lang.UnsatisfiedLinkError: i4clntjni (Not found in java.library.path) Luckily, Google could help me on this one. This technote shows that if there are missing libraries, SDI doesn’t properly install and you will have to uninstall SDI, install the missing libraries, and reinstall SDI.