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Subject: [jira] [Commented] (FLINK-3082) Confusing error about
 ManualTimestampSourceFunction
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    [ https://issues.apache.org/jira/browse/FLINK-3082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15029089#comment-15029089 ] 

ASF GitHub Bot commented on FLINK-3082:
---------------------------------------

Github user StephanEwen commented on the pull request:

    https://github.com/apache/flink/pull/1411#issuecomment-159956326
  
    Thanks for catching, this.
    
    Will merge this...


> Confusing error about ManualTimestampSourceFunction
> ---------------------------------------------------
>
>                 Key: FLINK-3082
>                 URL: https://issues.apache.org/jira/browse/FLINK-3082
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Niels Basjes
>            Assignee: Niels Basjes
>
> I wrote a source like this:
> {code}
> public class Foo extends RichSourceFunction<Bar> {
> {code}
> and then did
> {code}
> ctx.collectWithTimestamp(event, event.eventTimestamp);
> {code}
> I got this error:
> {code}
> Caused by: java.lang.UnsupportedOperationException: Automatic-Timestamp sources cannot emit elements with a timestamp. See interface ManualTimestampSourceFunction if you want to manually assign timestamps to elements.
> 	at org.apache.flink.streaming.api.operators.StreamSource$NonTimestampContext.collectWithTimestamp(StreamSource.java:97)
> {code}
> After some digging it turns out that {{ManualTimestampSourceFunction}} was renamed to {{EventTimeSourceFunction}} and apparently the old name still lingers in this error message.



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