Cakephp3.0 stable taken data

Hi I'm a novice in cakephp However, I'm trying to make my blog with cakephp 3.0 which is stable version. I got stuck not taken database show view.ctp

Controller => "ListjobsController.php"

<?php
namespace App\Controller;
 class ListjobsController extends AppController{
    public function jobdetail(){
        $jobdetail = $this->Listjobs->find('all');
        $this->set( compact('jobdetail'));
    }
}

Model =>Table => "ListjobsTable.php"

<?php
namespace App\Model\Table;
use Cake\ORM\Table;

class ListjobsTable extends Table{
    public function initialize(array $config){
        $this->table('listjobs');
        $this->displayField('title');
        $this->primaryKey('id');
         $this->belongsToMany('Users',[
            'foreignKey' => 'user_id'
        ]);
    }
}

Template => Listjobs => "jobdetail.ctp"

<p><?= pr($jobdetail);exit; ?></p>

it does not appear that the current database information:

Cake\ORM\Query Object


(
[sql] => SELECT Listjobs.id AS `Listjobs__id`, Listjobs.user_id AS `Listjobs__user_id`, Listjobs.type_id AS `Listjobs__type_id`, Listjobs.cate_id AS `Listjobs__cate_id`, Listjobs.title AS `Listjobs__title`, Listjobs.location AS `Listjobs__location`, Listjobs.description AS `Listjobs__description`, Listjobs.skillsrequired AS `Listjobs__skillsrequired`, Listjobs.companyname AS `Listjobs__companyname`, Listjobs.website AS `Listjobs__website`, Listjobs.email AS `Listjobs__email`, Listjobs.password AS `Listjobs__password`, Listjobs.created AS `Listjobs__created`, Listjobs.modified AS `Listjobs__modified` FROM listjobs Listjobs
[params] => Array
    (
    )

[defaultTypes] => Array
    (
        [Listjobs.id] => integer
        [id] => integer
        [Listjobs.user_id] => integer
        [user_id] => integer
        [Listjobs.type_id] => integer
        [type_id] => integer
        [Listjobs.cate_id] => integer
        [cate_id] => integer
        [Listjobs.title] => string
        [title] => string
        [Listjobs.location] => string
        [location] => string
        [Listjobs.description] => text
        [description] => text
        [Listjobs.skillsrequired] => text
        [skillsrequired] => text
        [Listjobs.companyname] => string
        [companyname] => string
        [Listjobs.website] => string
        [website] => string
        [Listjobs.email] => string
        [email] => string
        [Listjobs.password] => string
        [password] => string
        [Listjobs.created] => datetime
        [created] => datetime
        [Listjobs.modified] => datetime
        [modified] => datetime
    )

[decorators] => 0
[executed] => 
[hydrate] => 1
[buffered] => 1
[formatters] => 0
[mapReducers] => 0
[contain] => Array
    (
    )

[matching] => Array
    (
    )

[extraOptions] => Array
    (
    )

[repository] => App\Model\Table\ListjobsTable Object
    (
        [registryAlias] => Listjobs
        [table] => listjobs
        [alias] => Listjobs
        [entityClass] => \Cake\ORM\Entity
        [associations] => Array
            (
                [0] => users
            )

        [behaviors] => Array
            (
            )

        [defaultConnection] => default
        [connectionName] => default
    )

)

I can not understand why the data in the database does not appear. 

Hope you can help me!!!

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