hhvm / nginx :: external XML entity error breaking site.

[dbashyal]

"Warning: Protocol 'file' for external XML entity '/lib/internal/Magento/Framework/App/Language/package.xsd' is disabled for security reasons. This may be changed using the hhvm.libxml.ext_entity_whitelist ini setting. in /lib/internal/Magento/Framework/Config/Dom.php on line 257";i:1;s:4156:"#0 (): Magento\Framework\App\ErrorHandler->handler()

I can't access frontend and backend both.

[dbashyal]

a:4:{i:0;s:313:"Warning: Protocol 'file' for external XML entity '/lib/internal/Magento/Framework/App/Language/package.xsd' is disabled for security reasons. This may be changed using the hhvm.libxml.ext_entity_whitelist ini setting. in /lib/internal/Magento/Framework/Config/Dom.php on line 257";i:1;s:4156:"#0 (): Magento\Framework\App\ErrorHandler->handler()
#1 /lib/internal/Magento/Framework/Config/Dom.php(257): DOMDocument->schemaValidate()
#2 /lib/internal/Magento/Framework/App/Language/Config.php(32): Magento\Framework\Config\Dom::validateDomDocument()
#3 /lib/internal/Magento/Framework/ObjectManager/Factory/AbstractFactory.php(93): Magento\Framework\App\Language\Config->__construct()
#4 /lib/internal/Magento/Framework/ObjectManager/Factory/Dynamic/Developer.php(90): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject()
#5 /lib/internal/Magento/Framework/ObjectManager/ObjectManager.php(55): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#6 /lib/internal/Magento/Framework/App/Language/ConfigFactory.php(35): Magento\Framework\ObjectManager\ObjectManager->create()
#7 /lib/internal/Magento/Framework/App/Language/Dictionary.php(58): Magento\Framework\App\Language\ConfigFactory->create()
#8 /lib/internal/Magento/Framework/Translate.php(294): Magento\Framework\App\Language\Dictionary->getDictionary()
#9 /lib/internal/Magento/Framework/Translate.php(180): Magento\Framework\Translate->_loadPackTranslation()
#10 /lib/internal/Magento/Framework/App/Area.php(232): Magento\Framework\Translate->loadData()
#11 /lib/internal/Magento/Framework/App/Area.php(203): Magento\Framework\App\Area->_initTranslate()
#12 /lib/internal/Magento/Framework/App/Area.php(130): Magento\Framework\App\Area->_loadPart()
#13 /lib/internal/Magento/Framework/View/DesignLoader.php(54): Magento\Framework\App\Area->load()
#14 /app/code/Magento/Core/App/Action/Plugin/Design.php(37): Magento\Framework\View\DesignLoader->load()
#15 (): Magento\Core\App\Action\Plugin\Design->aroundDispatch()
#16 /lib/internal/Magento/Framework/Interception/Chain/Chain.php(62): call_user_func_array()
#17 /var/generation/Magento/Backend/Controller/Adminhtml/Index/Index/Interceptor.php(90): Magento\Framework\Interception\Chain\Chain->invokeNext()
#18 /app/code/Magento/Backend/App/Action/Plugin/MassactionKey.php(32): {closure}()
#19 (): Magento\Backend\App\Action\Plugin\MassactionKey->aroundDispatch()
#20 /var/generation/Magento/Backend/Controller/Adminhtml/Index/Index/Interceptor.php(95): call_user_func_array()
#21 /var/generation/Magento/Backend/Controller/Adminhtml/Index/Index/Interceptor.php(132): Magento\Backend\Controller\Adminhtml\Index\Index\Interceptor->___callPlugins()
#22 /lib/internal/Magento/Framework/App/FrontController.php(44): Magento\Backend\Controller\Adminhtml\Index\Index\Interceptor->dispatch()
#23 (): Magento\Framework\App\FrontController->dispatch()
#24 /var/generation/Magento/Framework/App/FrontController/Interceptor.php(48): call_user_func_array()
#25 /lib/internal/Magento/Framework/Interception/Chain/Chain.php(64): Magento\Framework\App\FrontController\Interceptor->___callParent()
#26 /var/generation/Magento/Framework/App/FrontController/Interceptor.php(90): Magento\Framework\Interception\Chain\Chain->invokeNext()
#27 /lib/internal/Magento/Framework/Module/Plugin/DbStatusValidator.php(74): {closure}()
#28 (): Magento\Framework\Module\Plugin\DbStatusValidator->aroundDispatch()
#29 /var/generation/Magento/Framework/App/FrontController/Interceptor.php(95): call_user_func_array()
#30 /var/generation/Magento/Framework/App/FrontController/Interceptor.php(119): Magento\Framework\App\FrontController\Interceptor->___callPlugins()
#31 /lib/internal/Magento/Framework/App/Http.php(114): Magento\Framework\App\FrontController\Interceptor->dispatch()
#32 /lib/internal/Magento/Framework/App/Bootstrap.php(244): Magento\Framework\App\Http->launch()
#33 /index.php(38): Magento\Framework\App\Bootstrap->run()
#34 {main}";s:3:"url";s:6:"/admin";s:11:"script_name";s:10:"/index.php";}

[kandy]

First of all, hhvm not currently supported platform.
Resolving xml entities is disabled by default in hhvm. To enable, add to the server configuration (/etc/hhvm/php.ini in ubuntu) hhvm.libxml.ext_entity_whitelist = file,http

[dbashyal]

thx that fixed it.