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Is there a way to resolve any xml-file that causes an error?

I cannot find the source file that causes this error (happens on checkout): 

Magento\Framework\Config\Dom\ValidationException): Element 'item', attribute 'after': The attribute 'after' is not allowed.
Line: 1439

default.xml

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>

    <!-- Removing / Moving -->
    <referenceBlock name="advanced-search-link" remove="true" />
    <referenceBlock name="register-link" remove="true" />
    <referenceBlock name="catalog.compare.link" remove="true" />
    <referenceBlock name="header" remove="true" />
    <referenceBlock name="wish-list-link" remove="true" />

    <move element="minicart" destination="header-wrapper" after="-" />
    <move element="form.subscribe" destination="footer" after="footer.copyright" />


    <!--minicart popup-->


    <referenceContainer name="header-wrapper">
        <container name="header.socialmedia.container" before="logo">
            <block class="Magento\Framework\View\Element\Template" template="Magento_Theme::html/header/socialmedia.phtml" name="header.socialmedia" />
        </container>
    </referenceContainer>

    <referenceBlock name="top.links">
        <block class="Magento\Framework\View\Element\Html\Link\Current" name="header.retailer-link">
            <arguments>
                <argument name="label" xsi:type="string" translate="true">Become Retailer</argument>
                <argument name="path" xsi:type="string">retailer</argument>
            </arguments>
        </block>
        <block class="Magento\Framework\View\Element\Template" template="Magento_Theme::html/header/accountmenu.phtml" name="header.accountmenu" />
    </referenceBlock>


     <!-- Footer -->
    <referenceBlock name="footer_links" remove="true" />
    <referenceBlock name="copyright" remove="true" />
    <referenceBlock name="report.bugs" remove="true" />

    <referenceContainer name="footer">
        <block class="Magento\Framework\View\Element\Template" template="Magento_Theme::html/footer/logo.phtml" name="footer.logo" />
        <block class="Magento\Framework\View\Element\Template" template="Magento_Theme::html/footer/menublocks.phtml" name="footer.menublocks" />
        <block class="Magento\Framework\View\Element\Template" template="Magento_Theme::html/footer/copyright.phtml" name="footer.copyright" />
    </referenceContainer>


    <!-- Removing stuff -->
    <referenceContainer name="sidebar.main">
        <!-- <referenceBlock name="catalogsearch.leftnav" remove="true"/> -->
        <!-- <referenceBlock name="catalog.leftnav" remove="true"/> -->
        <referenceBlock name="catalog.compare.sidebar" remove="true"/>
        <referenceBlock name="wishlist_sidebar" remove="true"/>
        <referenceBlock name="sale.reorder.sidebar" remove="true" />
    </referenceContainer>
</body>

checkout_cart_index.xml

<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>

    <move element="cart.summary" destination="main.content" after="-" />
    <move element="checkout.cart.coupon" destination="main.content" before="checkout.cart.crosssell"/>
    <move element="checkout.cart.crosssell" destination="main.content" after="-" />

    <referenceContainer name="page.wrapper" htmlClass="page-wrapper cart">
    </referenceContainer>

    <referenceContainer name="content">



    </referenceContainer>
    <referenceBlock name="checkout.cart.shipping">
        <arguments>
            <argument name="jsLayout" xsi:type="array">
                <item name="components" xsi:type="array">
                    <item name="block-summary" xsi:type="array">

                        <!-- My custom part: -->
                        <item name="config" xsi:type="array">
                            <item name="componentDisabled" xsi:type="boolean">true</item>
                        </item>

                    </item>
                </item>
            </argument>
        </arguments>
    </referenceBlock>
</body>

checkout_index_index.xml contains no xml changes

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5
  • please share your default.xml code from theme level Magento_Theme. – Rakesh Jesadiya May 24 '18 at 9:21
  • @RakeshJesadiya see updated answer. My error happens on checkout page btw – Condor May 24 '18 at 9:30
  • please share your xml file from checkout module/theme which contains after atttribute – Rakesh Jesadiya May 24 '18 at 9:31
  • @RakeshJesadiya updated answer – Condor May 24 '18 at 9:33
  • @Bram error looks like you have added after attributes in referenceContainer somewhere. Please check it may issue. – Nikunj Vadariya May 24 '18 at 9:53
2

I think the answer is no. :( If you trying to debug the Magento\Framework\Config\Dom class you can see that all data has stored in the memory as a one big file, which leads to unknown place (in my case there was a root directory /var/www/html):

example

So here are some tips:

  1. Try to determine the error location by indirect signs: what modules was setted up before the error comes, which file has %1 node and %2 attribute etc.
  2. Try to search in your project files by keywords %1 and %2 in the xml files.

%1 - 'item'
%2 - 'after'

  1. If you are using the PhpStorm IDE (or similar) you can add the magento .xsd schemas in the settings to enable auto-validation during development:

schemas

As a result you able to see highlighted errors if some of a .xml files has invalid attributes:

result

  1. Good similar tool which does that automatically (for the PhpStorm) is PhpStorm Magento 2 Plugin

How to add the `.xsd` mapping manually in the PhpStorm

Go to the Preferences > Languages & Frameworks > Schemas and DTDs click on the + sign, in the URI field add the xsd path (from the corresponding xml file, could be found as an attribute xsi:noNamespaceSchemaLocation of the root config node in almost each magento xml file:

where schema could be found in xml

then find corresponding schema location from a project schema list:

project schema list

Click OK.

How to use *PhpStorm* code inspector to validate project xml-files

It's pretty simple:

  • Right-click on the project root directory inspect code menu
  • Select Inspect Code...
  • Click on the ... button near Inspection Profile select menu button in the inspection profile
  • In opened window click on the Gear symbol on the right of the profile name and select Duplicate inspection profile settings
  • Type a name, something like XML inspection, uncheck all checkboxes except the XML one (you can use the eraser button on the top of list)
  • Click OK to save the profile (window closing)
  • Click OK to start check
  • Analise the result :) Example of code inspection by XML
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14
  • Ah thanks for the tips! I use phpstorm (editing files remotely, so I need to have it locally first before I can do this). So the xsd validation will go over your whole project? – Condor May 24 '18 at 9:40
  • @Bram yes, it will validate each file where schema exists – Siarhey Uchukhlebau May 24 '18 at 9:42
  • Hi, @SiarheyUchukhlebau, Please explain how to apply this? – kunj May 24 '18 at 10:50
  • @kunj Hi, what exactly you wish to apply? – Siarhey Uchukhlebau May 24 '18 at 10:50
  • How did you add those .xsd in Phpstorm? – kunj May 24 '18 at 10:52

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