{"action":"created","issue":{"url":"https://api.github.com/repos/alibaba/otter/issues/327","repository_url":"https://api.github.com/repos/alibaba/otter","labels_url":"https://api.github.com/repos/alibaba/otter/issues/327/labels{/name}","comments_url":"https://api.github.com/repos/alibaba/otter/issues/327/comments","events_url":"https://api.github.com/repos/alibaba/otter/issues/327/events","html_url":"https://github.com/alibaba/otter/issues/327","id":232861773,"node_id":"MDU6SXNzdWUyMzI4NjE3NzM=","number":327,"title":"pid:3 nid:1 exception:mainstem:pid:3 canal elapsed 5000 seconds no data这是什么原因导致的异常？","user":{"login":"angelmm126","id":27260377,"node_id":"MDQ6VXNlcjI3MjYwMzc3","avatar_url":"https://avatars2.githubusercontent.com/u/27260377?v=4","gravatar_id":"","url":"https://api.github.com/users/angelmm126","html_url":"https://github.com/angelmm126","followers_url":"https://api.github.com/users/angelmm126/followers","following_url":"https://api.github.com/users/angelmm126/following{/other_user}","gists_url":"https://api.github.com/users/angelmm126/gists{/gist_id}","starred_url":"https://api.github.com/users/angelmm126/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/angelmm126/subscriptions","organizations_url":"https://api.github.com/users/angelmm126/orgs","repos_url":"https://api.github.com/users/angelmm126/repos","events_url":"https://api.github.com/users/angelmm126/events{/privacy}","received_events_url":"https://api.github.com/users/angelmm126/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":10,"created_at":"2017-06-01T12:24:29Z","updated_at":"2018-08-10T07:01:13Z","closed_at":"2017-12-05T03:00:12Z","author_association":"NONE","body":"异常：pid:3 nid:1 exception:mainstem:pid:3 canal elapsed 5000 seconds no data\r\n同步正常，但是隔一段时间就会报此异常，求大神指点什么原因导致的，怎么解决？"},"comment":{"url":"https://api.github.com/repos/alibaba/otter/issues/comments/411994317","html_url":"https://github.com/alibaba/otter/issues/327#issuecomment-411994317","issue_url":"https://api.github.com/repos/alibaba/otter/issues/327","id":411994317,"node_id":"MDEyOklzc3VlQ29tbWVudDQxMTk5NDMxNw==","user":{"login":"Winwinter","id":1670090,"node_id":"MDQ6VXNlcjE2NzAwOTA=","avatar_url":"https://avatars1.githubusercontent.com/u/1670090?v=4","gravatar_id":"","url":"https://api.github.com/users/Winwinter","html_url":"https://github.com/Winwinter","followers_url":"https://api.github.com/users/Winwinter/followers","following_url":"https://api.github.com/users/Winwinter/following{/other_user}","gists_url":"https://api.github.com/users/Winwinter/gists{/gist_id}","starred_url":"https://api.github.com/users/Winwinter/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Winwinter/subscriptions","organizations_url":"https://api.github.com/users/Winwinter/orgs","repos_url":"https://api.github.com/users/Winwinter/repos","events_url":"https://api.github.com/users/Winwinter/events{/privacy}","received_events_url":"https://api.github.com/users/Winwinter/received_events","type":"User","site_admin":false},"created_at":"2018-08-10T07:01:13Z","updated_at":"2018-08-10T07:01:13Z","author_association":"NONE","body":"我们也遇到了这情况，具体的原因不清楚，“目前定位到stop channel之后，CanalDetecting-0线程还在，这个线程并没有退出导致的。但是scheduler.shutdownNow()执行后，为什么CanalDetecting-0线程还在？”  这个我们发现的现象是一致的。\r\n\r\n我们自己改成一个 timer 替代了 CanalDetecting 线程池，就没这个问题了。"}}
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