Symfony Exception

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ErrorException

HTTP 500 Internal Server Error

Notice: Use of undefined constant XML_PI_NODE - assumed 'XML_PI_NODE'

Exception

ErrorException

in vendor/symfony/serializer/Encoder/ XmlEncoder.php (line 48)
  1.      * Construct new XmlEncoder and allow to change the root node element name.
  2.      *
  3.      * @param int|null $loadOptions      A bit field of LIBXML_* constants
  4.      * @param int[]    $ignoredNodeTypes an array of ignored XML node types, each one of the DOM Predefined XML_* Constants
  5.      */
  6.      public function  __construct ( string $rootNodeName  =  'response' ,  int $loadOptions  =  null , array  $ignoredNodeTypes  = [ XML_PI_NODE ,  XML_COMMENT_NODE ])
  7.     {
  8.          $this -> rootNodeName  =  $rootNodeName ;
  9.          $this -> loadOptions  =  null  !==  $loadOptions  ?  $loadOptions  :  LIBXML_NONET  |  LIBXML_NOBLANKS ;
  10.          $this -> ignoredNodeTypes  =  $ignoredNodeTypes ;
  11.     }
XmlEncoder -> __construct () in src/Controller/ AdminController.php (line 954)
  1.                 break;
  2.             default:
  3.                 return new  JsonResponse (array( "error"  =>  "no such class" ));
  4.         }
  5.          $entity_table  =  $this -> getDoctrine ()-> getRepository ( $class )-> findAll ();
  6.          $encoders  = array(new  XmlEncoder (), new  JsonEncoder ());
  7.          $normalizers  = array(new  ObjectNormalizer ());
  8.          $serializer  = new  Serializer ( $normalizers ,  $encoders );
  9.          $jsonContent  =  $serializer -> serialize ( $entity_table ,  'json' );
  10.         return new  JsonResponse ( json_decode ( $jsonContent ));
  11.     }
AdminController -> getEntityTable ('customer_tag') in src/Controller/ AdminController.php (line 428)
  1.          $data  =  json_decode ( $request -> getContent (),  true );
  2.          $tablesToGetFromDB  = array( "customer_tag" ,  "sub_issue_tag" );
  3.          $allTagTables  = array();
  4.         try {
  5.             foreach ( $tablesToGetFromDB  as  $table_name ) {
  6.                  $table  =  $this -> getEntityTable ( $table_name );
  7.                  $content  =  json_decode ( $table -> getContent ());
  8.                  $content  =  $this -> addTagsToTable ( $content ,  $table_name );
  10.                  $associated_groups  =  $this -> getAssociated_groups ( GroupsTagtablesRelations ::class, [ 'tagTable'  =>  $table_name ]);
  11.                  $allTagTables [] = array( "table_name"  =>  $table_name ,  "tags"  =>  $content ,  "associated_groups"  =>  $associated_groups );
in vendor/symfony/http-kernel/ HttpKernel.php -> getTablesData (line 149)
  1.          $this -> dispatcher -> dispatch ( KernelEvents :: CONTROLLER_ARGUMENTS ,  $event );
  2.          $controller  =  $event -> getController ();
  3.          $arguments  =  $event -> getArguments ();
  5.          // call controller
  6.          $response  = \ call_user_func_array ( $controller ,  $arguments );
  8.          // view
  9.          if (! $response  instanceof  Response ) {
  10.              $event  = new  GetResponseForControllerResultEvent ( $this ,  $request ,  $type ,  $response );
  11.              $this -> dispatcher -> dispatch ( KernelEvents :: VIEW ,  $event );
in vendor/symfony/http-kernel/ HttpKernel.php -> handleRaw (line 66)
  1.      public function  handle ( Request $request ,  $type  =  HttpKernelInterface :: MASTER_REQUEST ,  $catch  =  true )
  2.     {
  3.          $request -> headers -> set ( 'X-Php-Ob-Level' ,  ob_get_level ());
  5.         try {
  6.             return  $this -> handleRaw ( $request ,  $type );
  7.         } catch (\ Exception $e ) {
  8.             if ( $e  instanceof  RequestExceptionInterface ) {
  9.                  $e  = new  BadRequestHttpException ( $e -> getMessage (),  $e );
  10.             }
  11.             if ( false  ===  $catch ) {
in vendor/symfony/http-kernel/ Kernel.php -> handle (line 188)
  1.          $this -> boot ();
  2.         ++ $this -> requestStackSize ;
  3.          $this -> resetServices  =  true ;
  5.         try {
  6.             return  $this -> getHttpKernel ()-> handle ( $request ,  $type ,  $catch );
  7.         } finally {
  8.             -- $this -> requestStackSize ;
  9.         }
  10.     }
Kernel -> handle ( object( Request)) in public/ index.php (line 52)
  1.      Request :: setTrustedHosts ( explode ( ',' ,  $trustedHosts ));
  2. }
  4. $kernel  = new  Kernel ( $env ,  $debug );
  5. $request  =  Request :: createFromGlobals ();
  6. $response  =  $kernel -> handle ( $request );
  7. $response -> send ();
  8. $kernel -> terminate ( $request ,  $response );

Logs

No log messages

Stack Trace

ErrorException 

ErrorException:
Notice: Use of undefined constant XML_PI_NODE - assumed 'XML_PI_NODE'

  at vendor/symfony/serializer/Encoder/XmlEncoder.php:48
  at Symfony\Component\Serializer\Encoder\XmlEncoder->__construct()
     (src/Controller/AdminController.php:954)
  at App\Controller\AdminController->getEntityTable('customer_tag')
     (src/Controller/AdminController.php:428)
  at App\Controller\AdminController->getTablesData(object(Request))
     (vendor/symfony/http-kernel/HttpKernel.php:149)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1)
     (vendor/symfony/http-kernel/HttpKernel.php:66)
  at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true)
     (vendor/symfony/http-kernel/Kernel.php:188)
  at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
     (public/index.php:52)