[GitHub] eaglewatcherwb commented on issue #7560: [FLINK-11344][webfrontend] display all execution attempts on web

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eaglewatcherwb commented on issue #7560: [FLINK-11344][webfrontend] display all 
execution attempts on web
URL: https://github.com/apache/flink/pull/7560#issuecomment-462019922
 
 
   @greghogan The pictures below are the before and after screenshots. I run 
the word count job with parallelism 2 and inject an error in the first attempt 
of Reduce(1/2).
   
![image](https://user-images.githubusercontent.com/42056379/52517528-9be95000-2c77-11e9-9cbc-884622a97fc4.png)
   
![image](https://user-images.githubusercontent.com/42056379/52517693-e8ce2600-2c79-11e9-85fb-a16b273a49d4.png)
   
   I insert the code before `invokable.invoke();` in `Task#run` of Task.java to 
create failed jobs:
   ```
   if (taskInfo.getTaskName().contains("Reduce") && 
taskInfo.getIndexOfThisSubtask() == 0
       && taskInfo.getAttemptNumber() == 0) {
       throw new RuntimeException("crash");
    }
   ```
   
![image](https://user-images.githubusercontent.com/42056379/52517718-5a0dd900-2c7a-11e9-909b-cb2ed0ce841a.png)
   

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