I'm testing QB v9.0.21 latest version's github webhook function.
And I found abnormal response state. (it looks like bug)

QB reply error message when reopen Pull Request on GitHub.

Response is 500.
Body is...

Cannot deserialize value of type `java.util.Date` from String "2019-08-27T01:43:58Z": expected format "yyyy-MM-dd'T'HH:mm:ssZ"
 at [Source: (String)"{"action":"reopened","number":15,"pull_request":{"url":"https://github.xx.net/api/v3/repos/QUICKBUILD/issues/pulls/15","id":329695,"node_id":"MDExOlB1bGxSZXF1ZXN0MzI5Njk1","html_url":"https://github.xx.net/QUICKBUILD/issues/pull/15","diff_url":"https://github.xx.net/QUICKBUILD/issues/pull/15.diff","patch_url":"https://github.xx.net/QUICKBUILD/issues/pull/15.patch","issue_url":"https://github.xx.net/api/v3/repos/QUICKBUILD/issues/issues/15","number":15"[truncated 24544 chars]; line: 1, column: 1824] (through reference chain: com.pmease.quickbuild.plugin.webhook.github.model.PullRequestEvent["pull_request"]->com.pmease.quickbuild.plugin.webhook.github.model.PullRequest["created_at"])