[fix] 解决json配置文件在热更新时，因系统触发两次文件写入事件，第一次读取到的配置内容为空，导致json解析失败报错的问题 #3431
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| @@ -52,6 +53,7 @@ func (w *watcher) Next() ([]*config.KeyValue, error) { | |||
| if fi.IsDir() { | |||
| path = filepath.Join(w.f.path, filepath.Base(event.Name)) | |||
| } | |||
| time.Sleep(time.Millisecond) | |||
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Can sleep here solve the problem?
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未添加Sleep前，每次保存配置触发的两次写事件时，第一次读取到的内容均为空。添加Sleep后，进行100次连续保存操作，每次触发的两次写事件，均能读取到文件内容。
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Description (what this PR does / why we need it):
此为对空[]byte进行json.Unmarshal时的错误。
触发Write时，可能导致读取的内容为空
通过添加延时一毫秒去抖，能每次都读取到文件内容
2024/09/29 10:27:42 event: WRITE 2024/09/29 10:27:42 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:42 event: WRITE 2024/09/29 10:27:42 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:42 event: WRITE 2024/09/29 10:27:42 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:42 event: WRITE 2024/09/29 10:27:42 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:42 event: WRITE 2024/09/29 10:27:42 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:42 event: WRITE 2024/09/29 10:27:42 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:43 event: WRITE 2024/09/29 10:27:43 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:43 event: WRITE 2024/09/29 10:27:43 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:43 event: WRITE 2024/09/29 10:27:43 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:43 event: WRITE 2024/09/29 10:27:43 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:43 event: WRITE 2024/09/29 10:27:43 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:43 event: WRITE 2024/09/29 10:27:43 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:43 event: WRITE 2024/09/29 10:27:43 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:43 event: WRITE 2024/09/29 10:27:43 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:43 event: WRITE 2024/09/29 10:27:43 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:44 event: WRITE 2024/09/29 10:27:44 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:44 event: WRITE 2024/09/29 10:27:44 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:44 event: WRITE 2024/09/29 10:27:44 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:44 event: WRITE 2024/09/29 10:27:44 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:44 event: WRITE 2024/09/29 10:27:44 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:44 event: WRITE 2024/09/29 10:27:44 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:45 event: WRITE 2024/09/29 10:27:45 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:45 event: WRITE 2024/09/29 10:27:45 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:45 event: WRITE 2024/09/29 10:27:45 modified file: tmp/a.txt [49 50 51] 2024/09/29 10:27:45 event: WRITE 2024/09/29 10:27:45 modified file: tmp/a.txt [49 50 51]每次触发事件均能读取成功
Which issue(s) this PR fixes (resolves / be part of):
Other special notes for the reviewers: