Gin wildcard route conflicts with existing children

Question

I'd like to build a gin program which serves the following routes:

r.GET("/special", ... // Serves a special resource.
r.Any("/*", ...       // Serves a default resource.

However, such a program panics at runtime:

[GIN-debug] GET    /special                  --> main.main.func1 (2 handlers)
[GIN-debug] GET    /*                        --> main.main.func2 (2 handlers)
panic: wildcard route '*' conflicts with existing children in path '/*'

Is it possible to create a gin program which serves a default resource for every route except for a single one which serves a different resource?

Many pages on the web lead me to believe it is not possible using the default gin router, so what is the easiest way to serve these routes from a gin program?

Answer 1

Looks like the gin.NoRoute(...) function will do the trick.

r.GET("/special", func(c *gin.Context) { // Serve the special resource...
r.NoRoute(func(c *gin.Context) {         // Serve the default resource...

See also https://stackoverflow.com/a/32444263/244128

Answer 2

Maybe, someone else (like me) will face that error message and will have a situation where gin.NoRoute() is not an acceptable fix.

In search for a workaround to this issue I found the following snippet from github:

...
router.GET("/v1/images/:path1", GetHandler)           // /v1/images/detail
router.GET("/v1/images/:path1/:path2", GetHandler)    // /v1/images/<id>/history
...

func GetHandler(c *gin.Context) {
    path1 := c.Param("path1")
    path2 := c.Param("path2")

    if path1 == "detail" && path2 == "" {
        Detail(c)
    } else if path1 != "" && path2 == "history" {
        imageId := path1
        History(c, imageId)
    } else {
        HandleHttpError(c, NewHttpError(404, "Page not found"))
    }
}

Answer 3

You can try like this.

route.GET("/special/*action", func(ctxt *gin.Context) {
  ctxt.JSON(200, gin.H{"message": "WildcardUrl"})
})