{"action":"created","issue":{"url":"https://api.github.com/repos/xamarin/Xamarin.Forms/issues/2953","repository_url":"https://api.github.com/repos/xamarin/Xamarin.Forms","labels_url":"https://api.github.com/repos/xamarin/Xamarin.Forms/issues/2953/labels{/name}","comments_url":"https://api.github.com/repos/xamarin/Xamarin.Forms/issues/2953/comments","events_url":"https://api.github.com/repos/xamarin/Xamarin.Forms/issues/2953/events","html_url":"https://github.com/xamarin/Xamarin.Forms/issues/2953","id":329804578,"node_id":"MDU6SXNzdWUzMjk4MDQ1Nzg=","number":2953,"title":"[Android] TFS build fails with Error : Value cannot be null. Parameter name: type","user":{"login":"mattrichnz","id":5580462,"node_id":"MDQ6VXNlcjU1ODA0NjI=","avatar_url":"https://avatars3.githubusercontent.com/u/5580462?v=4","gravatar_id":"","url":"https://api.github.com/users/mattrichnz","html_url":"https://github.com/mattrichnz","followers_url":"https://api.github.com/users/mattrichnz/followers","following_url":"https://api.github.com/users/mattrichnz/following{/other_user}","gists_url":"https://api.github.com/users/mattrichnz/gists{/gist_id}","starred_url":"https://api.github.com/users/mattrichnz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mattrichnz/subscriptions","organizations_url":"https://api.github.com/users/mattrichnz/orgs","repos_url":"https://api.github.com/users/mattrichnz/repos","events_url":"https://api.github.com/users/mattrichnz/events{/privacy}","received_events_url":"https://api.github.com/users/mattrichnz/received_events","type":"User","site_admin":false},"labels":[{"id":771881931,"node_id":"MDU6TGFiZWw3NzE4ODE5MzE=","url":"https://api.github.com/repos/xamarin/Xamarin.Forms/labels/s/needs-info%20%E2%9D%93","name":"s/needs-info ❓","color":"fcb95a","default":false},{"id":770948107,"node_id":"MDU6TGFiZWw3NzA5NDgxMDc=","url":"https://api.github.com/repos/xamarin/Xamarin.Forms/labels/s/needs-repro%20%E2%9D%94","name":"s/needs-repro ❔","color":"d93f0b","default":false}],"state":"open","locked":false,"assignee":{"login":"StephaneDelcroix","id":313003,"node_id":"MDQ6VXNlcjMxMzAwMw==","avatar_url":"https://avatars0.githubusercontent.com/u/313003?v=4","gravatar_id":"","url":"https://api.github.com/users/StephaneDelcroix","html_url":"https://github.com/StephaneDelcroix","followers_url":"https://api.github.com/users/StephaneDelcroix/followers","following_url":"https://api.github.com/users/StephaneDelcroix/following{/other_user}","gists_url":"https://api.github.com/users/StephaneDelcroix/gists{/gist_id}","starred_url":"https://api.github.com/users/StephaneDelcroix/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/StephaneDelcroix/subscriptions","organizations_url":"https://api.github.com/users/StephaneDelcroix/orgs","repos_url":"https://api.github.com/users/StephaneDelcroix/repos","events_url":"https://api.github.com/users/StephaneDelcroix/events{/privacy}","received_events_url":"https://api.github.com/users/StephaneDelcroix/received_events","type":"User","site_admin":false},"assignees":[{"login":"StephaneDelcroix","id":313003,"node_id":"MDQ6VXNlcjMxMzAwMw==","avatar_url":"https://avatars0.githubusercontent.com/u/313003?v=4","gravatar_id":"","url":"https://api.github.com/users/StephaneDelcroix","html_url":"https://github.com/StephaneDelcroix","followers_url":"https://api.github.com/users/StephaneDelcroix/followers","following_url":"https://api.github.com/users/StephaneDelcroix/following{/other_user}","gists_url":"https://api.github.com/users/StephaneDelcroix/gists{/gist_id}","starred_url":"https://api.github.com/users/StephaneDelcroix/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/StephaneDelcroix/subscriptions","organizations_url":"https://api.github.com/users/StephaneDelcroix/orgs","repos_url":"https://api.github.com/users/StephaneDelcroix/repos","events_url":"https://api.github.com/users/StephaneDelcroix/events{/privacy}","received_events_url":"https://api.github.com/users/StephaneDelcroix/received_events","type":"User","site_admin":false}],"milestone":null,"comments":13,"created_at":"2018-06-06T10:14:26Z","updated_at":"2018-09-20T10:36:49Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"### Description\r\nAfter upgrading an existing project to .NET Standard 2.0 and XF 3.0-sr2, the Xamarin.Android build definition fails in TFS. Existing iOS and UWP build definitions work fine.\r\n\r\nNote: The project builds successfully in VS2017 for all platforms, just fails in TFS for the Android build.\r\n\r\n### Steps to Reproduce\r\n\r\n1. Create a Xamarin.Android build definition in TFS.\r\n2. Create a sample project using the latest VS2017 .NET Standard template.\r\n3. Run the build.\r\n\r\n### Expected Behavior\r\nThe build should complete successfully.\r\n\r\n### Actual Behavior\r\nThe build fails during XAML compilation with the following error(s):\r\n`App.xaml:App.xaml(0,0): Error : Value cannot be null. Parameter name: type`\r\n\r\nThis error is repeated for **all XAML pages and views** included in the project.\r\n\r\n### Basic Information\r\n\r\n- Version with issue: .NET Standard 2.0, Xamarin Form 3.0-sr2\r\n- Last known good version: .NET Standard 1.4, Xamarin Forms 2.5.x"},"comment":{"url":"https://api.github.com/repos/xamarin/Xamarin.Forms/issues/comments/423134041","html_url":"https://github.com/xamarin/Xamarin.Forms/issues/2953#issuecomment-423134041","issue_url":"https://api.github.com/repos/xamarin/Xamarin.Forms/issues/2953","id":423134041,"node_id":"MDEyOklzc3VlQ29tbWVudDQyMzEzNDA0MQ==","user":{"login":"mattrichnz","id":5580462,"node_id":"MDQ6VXNlcjU1ODA0NjI=","avatar_url":"https://avatars3.githubusercontent.com/u/5580462?v=4","gravatar_id":"","url":"https://api.github.com/users/mattrichnz","html_url":"https://github.com/mattrichnz","followers_url":"https://api.github.com/users/mattrichnz/followers","following_url":"https://api.github.com/users/mattrichnz/following{/other_user}","gists_url":"https://api.github.com/users/mattrichnz/gists{/gist_id}","starred_url":"https://api.github.com/users/mattrichnz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mattrichnz/subscriptions","organizations_url":"https://api.github.com/users/mattrichnz/orgs","repos_url":"https://api.github.com/users/mattrichnz/repos","events_url":"https://api.github.com/users/mattrichnz/events{/privacy}","received_events_url":"https://api.github.com/users/mattrichnz/received_events","type":"User","site_admin":false},"created_at":"2018-09-20T10:36:49Z","updated_at":"2018-09-20T10:36:49Z","author_association":"CONTRIBUTOR","body":"@StephaneDelcroix Looks like this issue has come back with XF 3.2-stable.\r\nTFS build task with the Xamarin.Android build-def is failing on all pages and views with:\r\n(Where App.xaml is the name of the file)\r\n\r\n`(XamlC target) ->   App.xaml : error : Value cannot be null`\r\n\r\nPreviously this was resolved after updating to to XF 3.0.0-sr5.\r\nEverything continued working all the way along to XF 3.1.0-sr2, but now fails again with 3.2.0\r\nAny ideas?"}}
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