laravel Unable to prepare route for serialization Uses Closure

Question

When I clear caches in my Laravel 5 2 project  I see this error message    LogicException    Unable to prepare route  panel  for serialization  Uses Closure   I think that it s related with a route   Route  get   article  slug     Front slug      associated with a particular method in my controller   public function slug  slug         article   Article  where  slug   slug - gt first          id    article - gt id article        if     article    null      is null  id     return view  errors Db         else return view  detail  - gt with array  article   gt   article    title   gt  My title -    article- gt title          In short  from a master view I pass  slug  that is a shortlink to the article  with  slug   which is unique in the database  I identify the record and then I pass it s contents to the detail view   I didn t have any problem when I wrote the method  infact it worked like a charm  but after I cleaned caches  I get that error and the links in the master view don t show any shortcode   Where am I doing wrong

User · Answer

If someone is still looking for an answer, for me the problem was in routes/web.php file. Example:

Route::get('/', function () {
    return view('welcome');
});

It is also Route, so yeah...Just remove it if not needed and you are good to go! You should also follow answers provided from above.

User · Answer

The Actual solution of this problem is changing first line in web php Just replace Welcome route with following route Route  view       welcome     If still getting same error than you probab

User · Answer

I think that it s related with a route  Route  get   article  slug     Front slug          associated with a particular method in my controller    No  thats not it  The error message is coming from the route cache command  not sure why clearing the cache calls this automatically   The problem is a route which uses a Closure instead of a controller  which looks something like this                            Thats the Closure                                v  Route  get   some route   function         return  Hello World         Since Closures can not be serialized  you can not cache your routes when you have routes which use closures

User · Answer

This is definitely a bug Laravel offers predefined code in routes api php  Route  middleware  auth api  - gt get   user   function  Request  request          return  request- gt user           which is unabled to be processed by   php artisan route cache   This definitely should be fixed by Laravel team  check the link    simply if you want to fix it you should replace routes api php code with some thing like    Route  middleware  auth api  - gt get   user    UserController AuthRouteAPI      and in UserController put this method    public function AuthRouteAPI Request  request       return  request- gt user

User · Answer

the solustion when we use routes like this   Route  get      function          return view  welcome          laravel call them Closure so you cant optimize routes uses as Closures you must route to controller to use php artisan optimize

User · Answer

check that your web php file has this extension use Illuminate Support Facades Route   my problem gone fixed by this way

User · Answer

If none of your routes contain closures  but you are still getting this error  please check      routes api php   Laravel has a default auth api route in the above file   Route  middleware  auth api  - gt get   user   function  Request  request        return  request- gt user          which can be commented or replaced with a call to controller method if required

User · Answer

Check your routes web php and routes api php  Laravel comes with default route closure in routes web php   Route  get      function          return view  welcome          and routes api php  Route  middleware  auth api  - gt get   user   function  Request  request        return  request- gt user          if you remove that then try again to clear route cache

[laravel] laravel Unable to prepare route ... for serialization. Uses Closure

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