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https://issues.apache.org/jira/browse/FLINK-5097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15686757#comment-15686757
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ASF GitHub Bot commented on FLINK-5097:
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Github user vasia commented on the issue:
https://github.com/apache/flink/pull/2842
Hi @greghogan,
I was able to fix the problem in `fromDataSet()` and `groupReduceOnEdges()`
with `EdgesFunction`. In the rest of the uses, I don't seem to find a way to
pass all the input types correctly. The remaining cases all have 3 input types
and the `createTypeInfo()` method only accepts two. I have also tried
extracting the input types from the wrapping functions, but that didn't work
either. Any ideas?
> The TypeExtractor is missing input type information in some Graph methods
> -------------------------------------------------------------------------
>
> Key: FLINK-5097
> URL: https://issues.apache.org/jira/browse/FLINK-5097
> Project: Flink
> Issue Type: Bug
> Components: Gelly
> Reporter: Vasia Kalavri
> Assignee: Vasia Kalavri
>
> The TypeExtractor is called without information about the input type in
> {{mapVertices}} and {{mapEdges}} although this information can be easily
> retrieved.
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