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Element 'link', attribute 'href': The attribute 'href' is not allowed.

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Element 'link', attribute 'href': The attribute 'href' is not allowed.

Hi,

 

I am new to magento, but I managed to work a little bit with it. I build a theme for magento 2.1 and was working fine. Then I had to upgrade to magento 2.2.1 did that and everything work fine.

 

But one day out of know where I started to get this error, when I visit the front end. And cannot figure out what is causing the problem. Is there a way to troubleshoot the problem, or does anyone know how to fix this?

 

thanks in advance. below you will fine the error page that is showing:

1 exception(s):
Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'link', attribute 'href': The attribute 'href' is not allowed.
Line: 747

Element 'link': The attribute 'src' is required but missing.
Line: 747


Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'link', attribute 'href': The attribute 'href' is not allowed.
Line: 747

Element 'link': The attribute 'src' is required but missing.
Line: 747

#0 E:\xampp\htdocs\temp\vendor\magento\framework\Config\Dom.php(115): Magento\Framework\Config\Dom->_initDom('<layout xmlns:x...')
#1 E:\xampp\htdocs\temp\vendor\magento\framework\ObjectManager\Factory\AbstractFactory.php(111): Magento\Framework\Config\Dom->__construct('<layout xmlns:x...', Object(Magento\Framework\App\Arguments\ValidationState), Array, NULL, 'E:/xampp/htdocs...', '%message%\nLine:...')
#2 E:\xampp\htdocs\temp\vendor\magento\framework\ObjectManager\Factory\Dynamic\Developer.php(66): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array)
#3 E:\xampp\htdocs\temp\vendor\magento\framework\ObjectManager\ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...', Array)
#4 E:\xampp\htdocs\temp\vendor\magento\framework\Config\DomFactory.php(42): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array)
#5 E:\xampp\htdocs\temp\vendor\magento\framework\View\Model\Layout\Update\Validator.php(125): Magento\Framework\Config\DomFactory->createDom(Array)
#6 E:\xampp\htdocs\temp\vendor\magento\framework\View\Model\Layout\Merge.php(461): Magento\Framework\View\Model\Layout\Update\Validator->isValid('<layout xmlns:x...', 'layout_merged', false)
#7 E:\xampp\htdocs\temp\vendor\magento\framework\View\Model\Layout\Merge.php(442): Magento\Framework\View\Model\Layout\Merge->_validateMergedLayout('LAYOUT_frontend...', '<!--\r\n    <refe...')
#8 E:\xampp\htdocs\temp\generated\code\Magento\Framework\View\Model\Layout\Merge\Interceptor.php(193): Magento\Framework\View\Model\Layout\Merge->load(Array)
#9 E:\xampp\htdocs\temp\vendor\magento\framework\View\Layout\Builder.php(86): Magento\Framework\View\Model\Layout\Merge\Interceptor->load()
#10 E:\xampp\htdocs\temp\vendor\magento\framework\View\Layout\Builder.php(63): Magento\Framework\View\Layout\Builder->loadLayoutUpdates()
#11 E:\xampp\htdocs\temp\vendor\magento\framework\View\Layout.php(254): Magento\Framework\View\Layout\Builder->build()
#12 E:\xampp\htdocs\temp\vendor\magento\framework\View\Layout.php(875): Magento\Framework\View\Layout->build()
#13 E:\xampp\htdocs\temp\generated\code\Magento\Framework\View\Layout\Interceptor.php(414): Magento\Framework\View\Layout->getBlock('page_content_he...')
#14 E:\xampp\htdocs\temp\vendor\magento\module-cms\Helper\Page.php(171): Magento\Framework\View\Layout\Interceptor->getBlock('page_content_he...')
#15 E:\xampp\htdocs\temp\vendor\magento\module-cms\Controller\Index\Index.php(43): Magento\Cms\Helper\Page->prepareResultPage(Object(Magento\Cms\Controller\Index\Index\Interceptor), 'home')
#16 E:\xampp\htdocs\temp\generated\code\Magento\Cms\Controller\Index\Index\Interceptor.php(24): Magento\Cms\Controller\Index\Index->execute(NULL)
#17 E:\xampp\htdocs\temp\vendor\magento\framework\App\Action\Action.php(107): Magento\Cms\Controller\Index\Index\Interceptor->execute()
#18 E:\xampp\htdocs\temp\vendor\magento\framework\Interception\Interceptor.php(58): Magento\Framework\App\Action\Action->dispatch(Object(Magento\Framework\App\Request\Http))
#19 E:\xampp\htdocs\temp\vendor\magento\framework\Interception\Interceptor.php(138): Magento\Cms\Controller\Index\Index\Interceptor->___callParent('dispatch', Array)
#20 E:\xampp\htdocs\temp\vendor\magento\framework\Interception\Interceptor.php(153): Magento\Cms\Controller\Index\Index\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))
#21 E:\xampp\htdocs\temp\generated\code\Magento\Cms\Controller\Index\Index\Interceptor.php(39): Magento\Cms\Controller\Index\Index\Interceptor->___callPlugins('dispatch', Array, Array)
#22 E:\xampp\htdocs\temp\vendor\magento\framework\App\FrontController.php(55): Magento\Cms\Controller\Index\Index\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))
#23 E:\xampp\htdocs\temp\vendor\magento\framework\Interception\Interceptor.php(58): Magento\Framework\App\FrontController->dispatch(Object(Magento\Framework\App\Request\Http))
#24 E:\xampp\htdocs\temp\vendor\magento\framework\Interception\Interceptor.php(138): Magento\Framework\App\FrontController\Interceptor->___callParent('dispatch', Array)
#25 E:\xampp\htdocs\temp\vendor\magento\module-store\App\FrontController\Plugin\RequestPreprocessor.php(94): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))
#26 E:\xampp\htdocs\temp\vendor\magento\framework\Interception\Interceptor.php(135): Magento\Store\App\FrontController\Plugin\RequestPreprocessor->aroundDispatch(Object(Magento\Framework\App\FrontController\Interceptor), Object(Closure), Object(Magento\Framework\App\Request\Http))
#27 E:\xampp\htdocs\temp\vendor\magento\module-page-cache\Model\App\FrontController\BuiltinPlugin.php(73): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))
#28 E:\xampp\htdocs\temp\vendor\magento\framework\Interception\Interceptor.php(135): Magento\PageCache\Model\App\FrontController\BuiltinPlugin->aroundDispatch(Object(Magento\Framework\App\FrontController\Interceptor), Object(Closure), Object(Magento\Framework\App\Request\Http))
#29 E:\xampp\htdocs\temp\vendor\magento\framework\Interception\Interceptor.php(153): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))
#30 E:\xampp\htdocs\temp\generated\code\Magento\Framework\App\FrontController\Interceptor.php(26): Magento\Framework\App\FrontController\Interceptor->___callPlugins('dispatch', Array, NULL)
#31 E:\xampp\htdocs\temp\vendor\magento\framework\App\Http.php(135): Magento\Framework\App\FrontController\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))
#32 E:\xampp\htdocs\temp\vendor\magento\framework\App\Bootstrap.php(256): Magento\Framework\App\Http->launch()
#33 E:\xampp\htdocs\temp\index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http))
#34 {main}
4 REPLIES

Re: Element 'link', attribute 'href': The attribute 'href' is not allowed.

Hi @robertbits,

 

Maybe this:

 

Replace

<link href="link to css" rel="stylesheet" type="text/css"/>

with src

<link src="link to css" rel="stylesheet" type="text/css"/>

 

The source of the solution is: https://magento.stackexchange.com/questions/200659/after-update-to-2-2-1-href-is-not-allowed (from @Rakesh Jesadiya)

--
If you've found one of my answers useful, please give "Kudos" or "Accept as Solution"

Re: Element 'link', attribute 'href': The attribute 'href' is not allowed.

I have faced same type of error in past for upgrade version from 2.1.* to 2.2.*

Issue is just simple to rename link tag with href to src and save file.

You just check in your default.xml or default_head_blocks.xml in your theme folder or any module layout file.

Replace

<link href="link_to_css" rel="stylesheet" type="text/css"/>

with src

<link src="link_to_css" rel="stylesheet" type="text/css"/>

 

If Issue Solved, Click Kudos/Accept As solutions.

Re: Element 'link', attribute 'href': The attribute 'href' is not allowed.

@Damian Culotta

@Rakesh Jesadiya

thanks for your reply. I had 1 href in the xml, which put it as src and the error was gone.

 

but then I started to view another error:

1 exception(s):
Exception #0 (Magento\Framework\Exception\ValidatorException): Invalid template file

After my troubleshooting I found out that this is being caused by the extensions that I wrote in the app\code\. I know this because when I removed this code, the website loaded fine. but of course the code is need so I need to figure out what the problem is. and this time it is not the href.

 

Is there a way to maybe view exactly the error what is it about? sine I really find it difficult to troubleshoot the problem.

Re: Element 'link', attribute 'href': The attribute 'href' is not allowed.

Could you please check your var/system.log or report folder and check whether any critical error will display. based on those error we can give a judgement for your error.

If Issue Solved, Click Kudos/Accept As solutions.