main.go

package main

import (
	"net/http"

	"github.com/labstack/echo"
	"github.com/labstack/echo/engine/standard"
)

// curl -X GET -k -v "http://127.0.0.1:1323/a/b/d/something" <-- OK
// curl -X GET -k -v "http://127.0.0.1:1323/a/b/p/something" <-- Not OK
func main() {
	e := echo.New()

	// any path will be enough to reproduce the problem
	g := e.Group("")

	routes := []string{
		"a/b/:id/something",
		"a/b/:id/other",
		"a/b/path",
	}

	for _, r := range routes {
		g.GET(r, func(c echo.Context) error {
			return c.String(http.StatusOK, "OK")
		})
	}

	err := e.Run(standard.New(":1323"))
	if err != nil {
		panic(err)
	}
}