[jira] [Created] (FLINK-11016) flink chain have a bug？？？

["Wong (JIRA)" <ji...@apache.org>]

Wong created FLINK-11016:
----------------------------

             Summary: flink chain have a bug？？？
                 Key: FLINK-11016
                 URL: https://issues.apache.org/jira/browse/FLINK-11016
             Project: Flink
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.6.2
         Environment: windows localmode test&& standalone also have this problem 
            Reporter: Wong


when I use flink consume kafka，like one key "asdaasd" is all stored in Kafka partition 0,and flink will consumer it if the kakfa consumer is always alive，and i didnot disableChiang，so kakfa task will combine 2 task or more，like flatmap，but i log the key "asdaasd",I found other task have this log,It like chain have a bug ??

 

the log 

Source: Custom Source -> Flat Map -> Sink: Print to Std. Out (1/3) LK5C7C3X9JA001286
Source: Custom Source -> Flat Map -> Sink: Print to Std. Out (1/3) LK5C7C3X9JA001286
Source: Custom Source -> Flat Map -> Sink: Print to Std. Out (2/3) LK5C7C3X9JA001286

 

the debug code in flatMapFunction

 

if (gb32960_uid.equals("LK5C7C3X9JA001286")) {
 log.info(Thread.currentThread().getName() + " " + gb32960_uid);
} else {
 return;
}



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