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https://issues.apache.org/jira/browse/SOLR-17562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18035141#comment-18035141
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David Smiley commented on SOLR-17562:
-------------------------------------

{quote}To be explicit: you're proposing that InputStreamResponse should be 
moved to "org.apache.solr.client.solrj.response"?
{quote}
yes.  The bigger picture is being conservative/mindful of the contents of the 
package org.apache.solr.client.solrj.  Anything in there that has an obvious 
sub-package to go to, should go to that sub-package.

We'd be moving a class; not removing it.  I don't think a deprecation is 
suitable – it's not actionable for a user.  It's reasonable to expect users to 
potentially need to change some things for a major release.  This one would be 
quite trivial!

RE 9.x releases; see this thread of mine: 
[https://lists.apache.org/thread/kwksgomjrj0wh2ygc4snfvm9j2pb1knx] – happy to 
discuss that on the list if desired.

> Unify v2 API streaming support
> ------------------------------
>
>                 Key: SOLR-17562
>                 URL: https://issues.apache.org/jira/browse/SOLR-17562
>             Project: Solr
>          Issue Type: Improvement
>          Components: v2 API
>            Reporter: Jason Gerlowski
>            Assignee: Jason Gerlowski
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 9.9, 10.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> Several v2 APIs return raw files or streams of data, including: 
> {{ZooKeeperReadAPI}}, {{NodeFileStore}}, and {{CoreReplication.fetchFile}}.
> But the APIs vary slightly in how they support this: ZooKeeperReadAPI uses 
> the deprecated "ContentStream" with "RawResponseWriter", NodeFileStore 
> directly attaches a "SolrCore.RawWriter" to the underlying SolrQueryResponse, 
> and CoreReplication follows the JAX-RS best practice of using the 
> "StreamingOutput" interface.
> This ticket aims to align all of these approaches and document our approach 
> in {{dev-docs/apis.adoc}} or a similar file.
> The preferred approach ([see discussion 
> here|https://github.com/apache/solr/pull/2734]) at the time of writing is to 
> use StreamingOutput.  If this doesn't change, this ticket will need to:
> * modify our Java codegen template and related code to support this new 
> response type.  (Java codegen currently requires that all responses subclass 
> SolrJerseyResponse)
> * remove the "x-omitFromCodegen" tag from any APIs using StreamingOutput (see 
> ReplicationApis.fetchFile for an example)
> * Switch other raw-file/streaming APIs over to using StreamingOutput.  
> Validate v1 and v2 responses. 



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