Tammy zhang created FLINK-17573:
-----------------------------------
Summary: There is duplicate source data in ProcessWindowFunction
Key: FLINK-17573
URL: https://issues.apache.org/jira/browse/FLINK-17573
Project: Flink
Issue Type: Bug
Reporter: Tammy zhang
i consumed kafka topic data, and keyby the stream, then use a
ProcessWindowFunction in this keyedStream, and a strange phenomenon appeared,
the process function's sourceData become duplicated, like:
Input Data iterator:[H2update 623.0 2020-05-08 15:19:25.14, H2update 297.0
2020-05-08 15:19:28.501, H2update 832.0 2020-05-08 15:19:29.415]
data iterator end----------------------------------
Input Data iterator:[H1400 59.0 2020-05-08 15:19:07.087, H1400 83.0 2020-05-08
15:19:09.521]
data iterator end----------------------------------
Input Data iterator:[H2insert 455.0 2020-05-08 15:19:23.066, H2insert 910.0
2020-05-08 15:19:23.955, H2insert 614.0 2020-05-08 15:19:24.397, H2insert 556.0
2020-05-08 15:19:27.389, H2insert 922.0 2020-05-08 15:19:27.761, H2insert 165.0
2020-05-08 15:19:28.26]
data iterator end----------------------------------
Input Data iterator:[H1400 59.0 2020-05-08 15:19:07.087, H1400 83.0 2020-05-08
15:19:09.521]
data iterator end----------------------------------
Input Data iterator:[H2update 623.0 2020-05-08 15:19:25.14, H2update 297.0
2020-05-08 15:19:28.501, H2update 832.0 2020-05-08 15:19:29.415]
data iterator end----------------------------------
Input Data iterator:[H2insert 455.0 2020-05-08 15:19:23.066, H2insert 910.0
2020-05-08 15:19:23.955, H2insert 614.0 2020-05-08 15:19:24.397, H2insert 556.0
2020-05-08 15:19:27.389, H2insert 922.0 2020-05-08 15:19:27.761, H2insert 165.0
2020-05-08 15:19:28.26]
data iterator end----------------------------------
I can ensure that there is no duplication of kafka data, Could you help me
point out where the problem is, thanks a lot
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
