required: org.apache.flink.streaming.api.scala.function.ProcessWindowFunction[(Long, String, String
Error:(48, 46) not found: type Context override def process(key: String, context: Context, elements: Iterable[(Long, String, String)], out: Collector[String]): Unit = { Error:(36, 16) type mismatch; f
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相關文章
- 1. Required String 的問題
- 2. Required String parameter 'xxx' is not present
- 3. Required String parameter ‘XXX‘ is not present
- 4. "Required String parameter 'ids' is not present"
- 5. required string parameter 'XXX' is not present
- 6. Required String parameter 'id' is not present
- 7. Spring mvc ：Required String parameter 'oid' is not present
- 8. 400錯誤，Required String parameter 'openid' is not present
- 9. 報錯:Required String paramenter "開始時間"
- 10. MissingServletRequestParameterException: Required String parameter 'xx' is not present