Java action not implemented

Issue summary

When attemting to execute a Test Configuration, a HTTP 500 error occurs. The logging of the Application Environment reveals that a Java action was not implemented.

Possible causes and resolutions

Javasource mtapluginmodule directory missing

The javasource\mtapluginmodule subdirectory in the project directory of the Test Application is deleted or empty. This could be result of importing the MTA Plugin Module as a (private) marketplace module. The MTA Plugin Module should be imported as a normal project module.

Resolution

Follow these steps to correctly import the plugin module.