[Swagger-codegen SpringBoot server] Issue with date parameter in generated controller

[Darren Costello]

Hi,

I'm having some issues with a date parameter in a SpringBoot controller I've generated from my Swagger spec.
It seems like no matter what input is sent, there is an issue with the formatting.

The spec definition for the parameter is as follows:

  parameters:
    departureDate:
      name: departureDate
      in: query
      required: true
      type: string
      format: date

The generated code looks like this

public ResponseEntity<Results> someSearchGet(
...        
        @ApiParam(value = "Blah", required = true, defaultValue = "2016-12-25")
        @RequestParam(value = "departureDate", required = true, defaultValue="2016-12-25")
        LocalDate departureDate,
...

but when I launch a request like

http://localhost:8080/v1/mysearch/search?departureDate=2016-12-12

I receive an error like this:

Failed to convert value of type [java.lang.String] to required type [org.joda.time.LocalDate];

nested exception is org.springframework.core.convert.ConversionFailedException:
Failed to convert from type [java.lang.String] to type [@io.swagger.annotations.ApiParam @org.springframework.web.bind.annotation.RequestParam org.joda.time.LocalDate] for value '2016-12-12';
nested exception is java.lang.IllegalArgumentException: Invalid format: "2016-12-12" is malformed at "16-12-12"

I thought perhaps my issue was with the formatting of the date and that a date-time might be required so I tried using "2016-12-22T21:03:41" based on date time in rfc3339
but that still resulted in an error -

Failed to convert value of type [java.lang.String] to required type [org.joda.time.LocalDate];
nested exception is org.springframework.core.convert.ConversionFailedException:
Failed to convert from type [java.lang.String] to type [@io.swagger.annotations.ApiParam @org.springframework.web.bind.annotation.RequestParam org.joda.time.LocalDate] for value '2016-12-22T21:03:41';nested exception is java.lang.IllegalArgumentException: Invalid format: "2016-12-22T21:03:41" is malformed at "16-12-22T21:03:41"

Is there something in my input that isn't correct or is this a known issue?

I found a workaround on a spring site (link here) by adding a annotation to the generated controller input parameter which works.
But if I need to regenerate my controller I guess I'll have to keep modifying manually.

  @ApiParam(value = "Blah", required = true, defaultValue = "2016-12-25")
  @RequestParam(value = "departureDate", required = true, defaultValue="2016-12-25")
  @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate departureDate

Cheers
Darren

[Ron Ratovsky]

For issues related to swagger-codegen, please open a ticket on the project.

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