Can anyone tell me whether the Constant Contact v2 API can be called from a WebLogic 11gR1 server? I am coding using Java 6.0. I've got code that deploys and runs if I use a GlassFish 5.0 or JBoss 7.1 server, but, unfortunately, we have to use WebLogic 11gR1 for at least the next several months. Deploying the same ear file in WebLogic fails to deploy with the error message "java.lang.NoClassDefFoundError: retrofit2/Callback".
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