Error in Integrated Weblogic 12C in SOA Suite - Derby server start and stop immediately <p>I need help to solve this problem:</p> <p>I've already installed Oracle SOA Suite 12c using the developer pack (from oracle official downloads). When I try to start integrated weblogic server (in Jdeveloper menu Run) it starts and shows listening on the port but immediately stops with following error:</p> <pre><code>Could: Not find or load main class Stopping Derby Server Derby Server Stopped </code></pre> <p>My config:</p> <ul> <li>Windows 2003 server Enterprise edition x64</li> <li>Jre 7</li> <li>Jdk 1.7 x64</li> <li>Oracle soa suite 12c</li> </ul>