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From "Kevin Risden (JIRA)" <>
Subject [jira] [Commented] (SOLR-10086) Add Streaming Expression for Kafka Streams
Date Wed, 01 Feb 2017 20:51:51 GMT


Kevin Risden commented on SOLR-10086:

So I'm not 100% sure that adding the Kafka dependencies to Solr would be the right approach.
I was chatting with [~joel.bernstein] earlier and was wondering if its possible to load custom
streaming expressions. They can be registered (see SOLR-9103) in solrconfig.xml as long as
the jar is on the classpath. 

Another option that I just tried out was registering jars via the blob store and then registering
the custom streaming expression. I put together an example of this here:

This requires a change to the StreamHandler class currently. See SOLR-10087

> Add Streaming Expression for Kafka Streams
> ------------------------------------------
>                 Key: SOLR-10086
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrJ
>            Reporter: Susheel Kumar
>            Priority: Minor
> This is being asked to have SolrCloud pull data from Kafka topic periodically using DataImport
> Adding streaming expression support to pull data from Kafka would be good feature to

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