Creating a custom Java connector When you have the Java resource for the custom Java connector in place, you can create your custom Java connector. To create a custom Java input connector 1 Create an input connector and select Connector type Java. 2 Select your custom Java class. 3 Configure the settings and click OK. To create a custom Java output connector 1 Create a Generic output connector and select Connector type Java. 2 Select your custom Java class. 3 Configure the settings and click OK.