The Java project, WebServiceGatewayJava, must reference an external library which is included with the integration node.
To add this reference, complete the following steps:
Right-click the Java project WebServiceGatewayJava. Click Properties.
Select Java Build Path.
Select the Libraries tab.
Click Add External JARs....
Navigate to the ConfigManagerProxy.jar. This is located at:
<node_inst>/classes/ConfigManagerProxy.jar
where <node_inst> is the IBM Integration Bus install location.