Notice (8): Undefined variable: _SESSION [APP/Controller/UserController.php, line 136]

        $this->Authentication->logout();
        unset($_SESSION['Auth']);
        unset($_SESSION['AuthOrigin']);

App\Controller\UserController::logout() - APP/Controller/UserController.php, line 136
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 531
Cake\Controller\ControllerFactory::invoke() - CORE/src/Controller/ControllerFactory.php, line 149
Cake\Http\BaseApplication::handle() - CORE/src/Http/BaseApplication.php, line 313
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 77
Authentication\Middleware\AuthenticationMiddleware::process() - ROOT/vendor/cakephp/authentication/src/Middleware/AuthenticationMiddleware.php, line 124
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\CsrfProtectionMiddleware::process() - CORE/src/Http/Middleware/CsrfProtectionMiddleware.php, line 164
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\BodyParserMiddleware::process() - CORE/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Routing\Middleware\RoutingMiddleware::process() - CORE/src/Routing/Middleware/RoutingMiddleware.php, line 161
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Routing\Middleware\AssetMiddleware::process() - CORE/src/Routing/Middleware/AssetMiddleware.php, line 68
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Error\Middleware\ErrorHandlerMiddleware::process() - CORE/src/Error/Middleware/ErrorHandlerMiddleware.php, line 126
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73

Notice (8): Undefined variable: _SESSION [APP/Controller/UserController.php, line 137]

Code Context

        unset($_SESSION['Auth']);
        unset($_SESSION['AuthOrigin']);
        return $this->redirect('/');

App\Controller\UserController::logout() - APP/Controller/UserController.php, line 137
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 531
Cake\Controller\ControllerFactory::invoke() - CORE/src/Controller/ControllerFactory.php, line 149
Cake\Http\BaseApplication::handle() - CORE/src/Http/BaseApplication.php, line 313
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 77
Authentication\Middleware\AuthenticationMiddleware::process() - ROOT/vendor/cakephp/authentication/src/Middleware/AuthenticationMiddleware.php, line 124
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\CsrfProtectionMiddleware::process() - CORE/src/Http/Middleware/CsrfProtectionMiddleware.php, line 164
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\BodyParserMiddleware::process() - CORE/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Routing\Middleware\RoutingMiddleware::process() - CORE/src/Routing/Middleware/RoutingMiddleware.php, line 161
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Routing\Middleware\AssetMiddleware::process() - CORE/src/Routing/Middleware/AssetMiddleware.php, line 68
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Error\Middleware\ErrorHandlerMiddleware::process() - CORE/src/Error/Middleware/ErrorHandlerMiddleware.php, line 126
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73

Warning (512): Unable to emit headers. Headers sent in file=/var/www/html/vendor/cakephp/cakephp/src/Error/Debugger.php line=971 [CORE/src/Http/ResponseEmitter.php, line 71]

Code Context

            $message = "Unable to emit headers. Headers sent in file=$file line=$line";
            trigger_error($message, E_USER_WARNING);
        }

$response = 

object(Cake\Http\Response) id:0 {
  'status' => (int) 302
  'contentType' => 'text/html'
  'headers' => [
    'Content-Type' => [
      (int) 0 => 'text/html; charset=UTF-8',
    ],
    'Location' => [
      (int) 0 => 'http://editais.ufrr.br/',
    ],
  ]
  'file' => null
  'fileRange' => [
  ]
  'cookies' => object(Cake\Http\Cookie\CookieCollection) id:1 {
    protected cookies => [
      '' => [maximum depth reached],
    ]
  }
  'cacheDirectives' => [
  ]
  'body' => ''
}
$file = '/var/www/html/vendor/cakephp/cakephp/src/Error/Debugger.php'
$line = (int) 971
$message = 'Unable to emit headers. Headers sent in file=/var/www/html/vendor/cakephp/cakephp/src/Error/Debugger.php line=971'

Cake\Http\ResponseEmitter::emit() - CORE/src/Http/ResponseEmitter.php, line 71
Cake\Http\Server::emit() - CORE/src/Http/Server.php, line 128
[main] - ROOT/webroot/index.php, line 40

Warning (2): Cannot modify header information - headers already sent by (output started at /var/www/html/vendor/cakephp/cakephp/src/Error/Debugger.php:971) [CORE/src/Http/ResponseEmitter.php, line 168]

Code Context

            $response->getStatusCode(),
            ($reasonPhrase ? ' ' . $reasonPhrase : '')
        ));

$response = object(Cake\Http\Response) id:0 {
  'status' => (int) 302
  'contentType' => 'text/html'
  'headers' => [
    'Content-Type' => [
      (int) 0 => 'text/html; charset=UTF-8',
    ],
    'Location' => [
      (int) 0 => 'http://editais.ufrr.br/',
    ],
  ]
  'file' => null
  'fileRange' => [
  ]
  'cookies' => object(Cake\Http\Cookie\CookieCollection) id:1 {
    protected cookies => [
      '' => [maximum depth reached],
    ]
  }
  'cacheDirectives' => [
  ]
  'body' => ''
}
$reasonPhrase = 'Found'

header - [internal], line ??
Cake\Http\ResponseEmitter::emitStatusLine() - CORE/src/Http/ResponseEmitter.php, line 168
Cake\Http\ResponseEmitter::emit() - CORE/src/Http/ResponseEmitter.php, line 74
Cake\Http\Server::emit() - CORE/src/Http/Server.php, line 128
[main] - ROOT/webroot/index.php, line 40

Code Context

            foreach ($values as $value) {
                header(sprintf(
                    '%s: %s',

$response = object(Cake\Http\Response) id:0 {
  'status' => (int) 302
  'contentType' => 'text/html'
  'headers' => [
    'Content-Type' => [
      (int) 0 => 'text/html; charset=UTF-8',
    ],
    'Location' => [
      (int) 0 => 'http://editais.ufrr.br/',
    ],
  ]
  'file' => null
  'fileRange' => [
  ]
  'cookies' => object(Cake\Http\Cookie\CookieCollection) id:1 {
    protected cookies => [
      '' => [maximum depth reached],
    ]
  }
  'cacheDirectives' => [
  ]
  'body' => ''
}
$cookies = [
  'csrfToken;;/' => object(Cake\Http\Cookie\Cookie) id:0 {
    protected name => 'csrfToken'
    protected value => 'O4bAR1g/xPfAT+vHJ5ZFGTZmODJmZWQ4ZTQ4OTE2MmQ4MjQ1MDk0OWUyNzBjM2YyZGIwYjczM2U='
    protected isExpanded => false
    protected expiresAt => null
    protected path => '/'
    protected domain => ''
    protected secure => false
    protected httpOnly => true
    protected sameSite => null
    protected defaults => [
      '' => [maximum depth reached],
    ]
  },
]
$values = [
  (int) 0 => 'text/html; charset=UTF-8',
]
$name = 'Content-Type'
$first = true
$value = 'text/html; charset=UTF-8'

header - [internal], line ??
Cake\Http\ResponseEmitter::emitHeaders() - CORE/src/Http/ResponseEmitter.php, line 197
Cake\Http\ResponseEmitter::emit() - CORE/src/Http/ResponseEmitter.php, line 75
Cake\Http\Server::emit() - CORE/src/Http/Server.php, line 128
[main] - ROOT/webroot/index.php, line 40

Code Context

            foreach ($values as $value) {
                header(sprintf(
                    '%s: %s',

$response = object(Cake\Http\Response) id:0 {
  'status' => (int) 302
  'contentType' => 'text/html'
  'headers' => [
    'Content-Type' => [
      (int) 0 => 'text/html; charset=UTF-8',
    ],
    'Location' => [
      (int) 0 => 'http://editais.ufrr.br/',
    ],
  ]
  'file' => null
  'fileRange' => [
  ]
  'cookies' => object(Cake\Http\Cookie\CookieCollection) id:1 {
    protected cookies => [
      '' => [maximum depth reached],
    ]
  }
  'cacheDirectives' => [
  ]
  'body' => ''
}
$cookies = [
  'csrfToken;;/' => object(Cake\Http\Cookie\Cookie) id:0 {
    protected name => 'csrfToken'
    protected value => 'O4bAR1g/xPfAT+vHJ5ZFGTZmODJmZWQ4ZTQ4OTE2MmQ4MjQ1MDk0OWUyNzBjM2YyZGIwYjczM2U='
    protected isExpanded => false
    protected expiresAt => null
    protected path => '/'
    protected domain => ''
    protected secure => false
    protected httpOnly => true
    protected sameSite => null
    protected defaults => [
      '' => [maximum depth reached],
    ]
  },
]
$values = [
  (int) 0 => 'http://editais.ufrr.br/',
]
$name = 'Location'
$first = true
$value = 'http://editais.ufrr.br/'

header - [internal], line ??
Cake\Http\ResponseEmitter::emitHeaders() - CORE/src/Http/ResponseEmitter.php, line 197
Cake\Http\ResponseEmitter::emit() - CORE/src/Http/ResponseEmitter.php, line 75
Cake\Http\Server::emit() - CORE/src/Http/Server.php, line 128
[main] - ROOT/webroot/index.php, line 40

Code Context

            /** @psalm-suppress InvalidArgument */
            return setcookie($cookie->getName(), $cookie->getScalarValue(), $cookie->getOptions());
        }

$cookie = object(Cake\Http\Cookie\Cookie) id:0 {
  protected name => 'csrfToken'
  protected value => 'O4bAR1g/xPfAT+vHJ5ZFGTZmODJmZWQ4ZTQ4OTE2MmQ4MjQ1MDk0OWUyNzBjM2YyZGIwYjczM2U='
  protected isExpanded => false
  protected expiresAt => null
  protected path => '/'
  protected domain => ''
  protected secure => false
  protected httpOnly => true
  protected sameSite => null
  protected defaults => [
    'expires' => null,
    'path' => '/',
    'domain' => '',
    'secure' => false,
    'httponly' => false,
    'samesite' => null,
  ]
}

setcookie - [internal], line ??
Cake\Http\ResponseEmitter::setCookie() - CORE/src/Http/ResponseEmitter.php, line 236
Cake\Http\ResponseEmitter::emitCookies() - CORE/src/Http/ResponseEmitter.php, line 218
Cake\Http\ResponseEmitter::emitHeaders() - CORE/src/Http/ResponseEmitter.php, line 206
Cake\Http\ResponseEmitter::emit() - CORE/src/Http/ResponseEmitter.php, line 75
Cake\Http\Server::emit() - CORE/src/Http/Server.php, line 128
[main] - ROOT/webroot/index.php, line 40