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From Márton Balassi <balassi.mar...@gmail.com>
Subject Re: NullFieldException is thrown when testing IterativeDataStream with tuples and maxBy
Date Mon, 09 Mar 2015 14:45:46 GMT
Hey,

Seems like a weird interaction between output splitting and windowing.
Could you please open a JIRA ticket for it?

Thanks,

Marton


On Mon, Mar 9, 2015 at 10:22 AM, Szabó Péter <nemderogatorius@gmail.com>
wrote:

> I'm running the following code and getting the RuntimeException "Emit
> failed due to: org.apache.flink.types.NullFieldException: Field 0 is null,
> but expected to hold a value."
> https://dl.dropboxusercontent.com/u/64242132/TestExample.java
>
> Does somebody know what causes it?
> Another issue is that if the source does not sleep between emits, the
> program freezes.
>
> Peter
>

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