I'm fine with dropping support for es5.

forward to dev@.

Best,
Jark



On Fri, 19 Jun 2020 at 15:46, jackylau <liuyon...@gmail.com> wrote:

> Hi all:
>      when i coding the es source connector here
>
> https://github.com/liuyongvs/flink/commit/c397a759d05956629a27bf850458dd4e70330189
> for the elasticsearch source connector. The doc is here
>
> https://cwiki.apache.org/confluence/display/FLINK/FLIP-127%3A+Support+Elasticsearch+Source+Connector
> ,and
> <https://cwiki.apache.org/confluence/display/FLINK/FLIP-127%3A+Support+Elasticsearch+Source+Connector,and>
> i find  problem of SearchHits at
>
> *currentScrollWindowHits = searchResponse.getHits().getHits()
> *
> And the SearchHits is a Interface in es5 but it is a class in es 6,7 and if
> i use it in flink es connector base(the es dependency is 5). it will throw
> this.
> *Caused by: java.lang.IncompatibleClassChangeError: Found class
> org.elasticsearch.search.SearchHits, but interface was expected.***
>
> To fix it : we can do this ways
>
> 1) move the logic to ApiCallBridge such as define ElasticsearchResponse or
> Tuple2<String, String[]>, but it wll make the code weirdly
>
> class ElasticsearchResponse
> {
>     String scroll;
>     String[] result // convert ervery es connector
> searchResponse.getHits().getHits() to this result
> }
>
>
> if user want to add some thing, it will need modify this
>
>
> 2) just support es 6,7 and upgrade flink-es-connector-base es dependency
> version to 6 and drop flink-es-connector-5. And i found this discussion of
> dropping es connector 2 and 5 here
>
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/DISCUSS-Drop-connectors-for-Elasticsearch-2-x-and-5-x-td32662.html
> .
>
>  The es5 connector just support DataStream api currently .And Is it
> possible
> to drop es5 connector and upgrade es-connector-base to es6?
>
> I am looking forward all your response
> Best !
>
>
>
> --
> Sent from:
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/
>

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