payload: {"action":"created","issue":{"url":"https://api.github.com/repos/aspnet/AspNetCore/issues/15215","repository_url":"https://api.github.com/repos/aspnet/AspNetCore","labels_url":"https://api.github.com/repos/aspnet/AspNetCore/issues/15215/labels{/name}","comments_url":"https://api.github.com/repos/aspnet/AspNetCore/issues/15215/comments","events_url":"https://api.github.com/repos/aspnet/AspNetCore/issues/15215/events","html_url":"https://github.com/aspnet/AspNetCore/issues/15215","id":509869948,"node_id":"MDU6SXNzdWU1MDk4Njk5NDg=","number":15215,"title":"In ie9 the console tell the problems: uint8array undefine","user":{"login":"a14907","id":13792421,"node_id":"MDQ6VXNlcjEzNzkyNDIx","avatar_url":"https://avatars1.githubusercontent.com/u/13792421?v=4","gravatar_id":"","url":"https://api.github.com/users/a14907","html_url":"https://github.com/a14907","followers_url":"https://api.github.com/users/a14907/followers","following_url":"https://api.github.com/users/a14907/following{/other_user}","gists_url":"https://api.github.com/users/a14907/gists{/gist_id}","starred_url":"https://api.github.com/users/a14907/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/a14907/subscriptions","organizations_url":"https://api.github.com/users/a14907/orgs","repos_url":"https://api.github.com/users/a14907/repos","events_url":"https://api.github.com/users/a14907/events{/privacy}","received_events_url":"https://api.github.com/users/a14907/received_events","type":"User","site_admin":false},"labels":[{"id":1140884961,"node_id":"MDU6TGFiZWwxMTQwODg0OTYx","url":"https://api.github.com/repos/aspnet/AspNetCore/labels/area-signalr","name":"area-signalr","color":"5319e7","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2019-10-21T10:21:09Z","updated_at":"2019-10-22T09:53:01Z","closed_at":"2019-10-22T09:48:02Z","author_association":"NONE","body":"### Describe the bug\r\nAs the signalr promise when wesocket is not enable,the longpolling may work. So I do a test. I use ie9 to visit my demo website. And the problems happen.\r\n\r\n### To Reproduce\r\nSteps to reproduce the behavior:\r\n1. use ie9 to visit the demo visite\r\n2. See error in console\r\n\r\n### Expected behavior\r\nI expect no err\r\n\r\nwhat can I do for this problem! Any advice?"},"comment":{"url":"https://api.github.com/repos/aspnet/AspNetCore/issues/comments/544887092","html_url":"https://github.com/aspnet/AspNetCore/issues/15215#issuecomment-544887092","issue_url":"https://api.github.com/repos/aspnet/AspNetCore/issues/15215","id":544887092,"node_id":"MDEyOklzc3VlQ29tbWVudDU0NDg4NzA5Mg==","user":{"login":"a14907","id":13792421,"node_id":"MDQ6VXNlcjEzNzkyNDIx","avatar_url":"https://avatars1.githubusercontent.com/u/13792421?v=4","gravatar_id":"","url":"https://api.github.com/users/a14907","html_url":"https://github.com/a14907","followers_url":"https://api.github.com/users/a14907/followers","following_url":"https://api.github.com/users/a14907/following{/other_user}","gists_url":"https://api.github.com/users/a14907/gists{/gist_id}","starred_url":"https://api.github.com/users/a14907/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/a14907/subscriptions","organizations_url":"https://api.github.com/users/a14907/orgs","repos_url":"https://api.github.com/users/a14907/repos","events_url":"https://api.github.com/users/a14907/events{/privacy}","received_events_url":"https://api.github.com/users/a14907/received_events","type":"User","site_admin":false},"created_at":"2019-10-22T09:53:01Z","updated_at":"2019-10-22T09:53:01Z","author_association":"NONE","body":"I think if uint8array is not support in browser ,websocket may not support too.Signal may choose longpolling. But signalr.js will not work, because uint8array is undefine... so signalr is not support longpolling...Weird!!!"}}
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