| All requests return 404 status |
Breakpoints placed in the resource class' target method or in the DTO converter class are not hit. |
- check for typos in the URL
- check that the URLs of the handlers defined in app.yaml match the URLs specified by the client
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| PUT or POST request returns 415 status |
Breakpoints placed in the resource class' target method or in the DTO converter class are not hit. |
The client is specifying a Content-type header value that does not match any the media types configured on the resource method. |
| requests return 400 status |
The message "No class was registered" appears in the server log.
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The indicated DAO class is not registered with Objectify. Check that your subclass of OfyService has a static initialization block that registered each of your Dao classes. See SampleOfyService.java in the Vroom sample web service for an example of this. |
| Requests requiring datastore access on the server return 409 status |
The message "no OfyService assigned" appears in the server log. |
Your application's OfyService was not registered with VroomDatastoreService. You need to do this at application startup time (e.g. via a ServletContextListener, or from your VroomApplication's start() method). For an example implementation of a ServletContextListener, see the Vroom sample web service. |
| Requests to a method on a resource returns 405 status |
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Check if you forget to put the appropriate Restlet method annotation on your resource class method (e.g @Get, @Put, etc.) |
| Requests return 500 status |
The server log contains "org.codehaus.jackson.map.JsonMappingException: No serializer found for class and no properties discovered to create BeanSerializer ..."
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The return type of your method is missing getter methods for its fields. |