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DataObjectManager Module /

Discuss the DataObjectManager module, and the related ImageGallery module.

Moderators: martimiz, UncleCheese, Sean, Ed, biapar, Willr, Ingo, swaiba

Extend Member class using dataobjectdecorator ERROR

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4 Posts   2399 Views


Community Member, 5 Posts

14 September 2009 at 9:31am

I have read through a bunch of the posts on this forum and all of the documentation I can find but I can't figure out how to add a few fields to the member class. I have tried using the dataobjectdecorator to do this, but I get this error when /dev/build the website. I am in dev mode currently if that matters. I am also using the most current version of silverstripe 2.3.2 and I do have dataobject_manager module successfully added/installed.

[Notice] Undefined variable: _SESSION
GET /samplebusiness/dev/build

Line 120 in /home/mcshane1/public_html/samplebusiness/sapphire/core/control/Director.php


111 			@file_get_contents('php://input')
112 		);
114 		// @todo find better way to extract HTTP headers
115 		if(isset($_SERVER['HTTP_ACCEPT'])) $req->addHeader("Accept", $_SERVER['HTTP_ACCEPT']);
116 		if(isset($_SERVER['CONTENT_TYPE'])) $req->addHeader("Content-Type", $_SERVER['CONTENT_TYPE']);
117 		if(isset($_SERVER['HTTP_REFERER'])) $req->addHeader("Referer", $_SERVER['HTTP_REFERER']);
119 		// Load the session into the controller
120 		$session = new Session($_SESSION);
121 		$result = Director::handleRequest($req, $session);
122 		$session->inst_save();
124 		// Return code for a redirection request
125 		if(is_string($result) && substr($result,0,9) == 'redirect:') {
126 			$response = new HTTPResponse();


    * Director::direct(/dev/build)
      Line 118 of main.php

Line 120 shows up in red, so that must be what the error is?

The site does function after displaying that error but whenever I try to login it just redirects me back security/login screen, even though I have entered the correct email and password. I don't have the same problem and login works perfectly when I am not attempting to use dataobjectdecorator.

Here is the code I am using for my memberdecorator file.

class MemberDecorator extends DataObjectDecorator { 

function augmentSQL(SQLQuery &$query) {}
   	public function extraStatics() { 
      return array( 
         'db' => array( 
            "Website" => "Text",
		"Username" => "Text",		
         'has_one' => array( 
            "Avatar" => "Image",
   	public function getCMSFields() {
   		$this->extend('updateCMSFields', $fields);
   		return $fields;
   	public function updateCMSFields(FieldSet &$fields) { 
    	$fields->push(new TextField("Username", "Username"), 'Members'); 
		$fields->push(new TextField("Website", "Website URL"), 'Members'); 
    	$fields->push(new ImageField("Avatar", "Profile Image"), 'Members'); 

Can anyone please tell me if there are any errors in the file, with all the old and outdated info I have seen in the docs it is quite possible I am using some out of date methods that no longer work with this silverstripe version. Any help would be greatly appreciated.


Forum Moderator, 4102 Posts

16 September 2009 at 2:00am

That error is almost always due to outputting to the browser before headers are sent. Make sure you don't have any echo, var_dump, or other debugging statements kicking around. That will often trip up the page load.


Community Member, 5 Posts

16 September 2009 at 4:45am

Yea it does appear to kick out that same error, no matter what I am putting in the memberdecorator file. I looked around through all my files but there isn't any echo statements, var_dump, or anything I could see that would output to the browser before the headers are sent.

Do you have any idea if there is any place or file that causes this error typically?

I am succussfully using dataobjectdecorator for 'Groups', it only throws this error when I am attempting to use dataobjectdecorator for the member class, dunno if that information is useful or not.


Community Member, 5 Posts

16 September 2009 at 5:03am

Nevermind figured it out. Had a space after php close tag in memberdecorator. thank you for your help uncle cheese, I am new to silverstripe and was assuming my error was caused by me not knowing how to correctly use the dataobjectdecorator but apparently it was just that space, works fine now.