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https://issues.apache.org/jira/browse/SOLR-12798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Noble Paul updated SOLR-12798:
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    Comment: was deleted

(was: | (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 2 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m  
9s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  2m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Release audit (RAT) {color} | 
{color:green}  2m 15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Check forbidden APIs {color} | 
{color:green}  2m 15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} Validate source patterns {color} | 
{color:green}  2m 15s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  6m 
55s{color} | {color:green} solrj in the patch passed. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 16m 33s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | SOLR-12798 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12941838/SOLR-12798.patch |
| Optional Tests |  compile  javac  unit  ratsources  checkforbiddenapis  
validatesourcepatterns  |
| uname | Linux lucene2-us-west.apache.org 4.4.0-112-generic #135-Ubuntu SMP 
Fri Jan 19 11:48:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | ant |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-SOLR-Build/sourcedir/dev-tools/test-patch/lucene-solr-yetus-personality.sh
 |
| git revision | master / 964cc88 |
| ant | version: Apache Ant(TM) version 1.9.6 compiled on July 20 2018 |
| Default Java | 1.8.0_172 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-SOLR-Build/194/testReport/ |
| modules | C: solr/solrj U: solr/solrj |
| Console output | 
https://builds.apache.org/job/PreCommit-SOLR-Build/194/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.

)

> Structural changes in SolrJ since version 7.0.0 have effectively disabled 
> multipart post
> ----------------------------------------------------------------------------------------
>
>                 Key: SOLR-12798
>                 URL: https://issues.apache.org/jira/browse/SOLR-12798
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrJ
>    Affects Versions: 7.4
>            Reporter: Karl Wright
>            Assignee: Karl Wright
>            Priority: Major
>         Attachments: HOT Balloon Trip_Ultra HD.jpg, 
> SOLR-12798-approach.patch, SOLR-12798-reproducer.patch, 
> SOLR-12798-workaround.patch, SOLR-12798.patch, SOLR-12798.patch, no params in 
> url.png, solr-update-request.txt
>
>
> Project ManifoldCF uses SolrJ to post documents to Solr.  When upgrading from 
> SolrJ 7.0.x to SolrJ 7.4, we encountered significant structural changes to 
> SolrJ's HttpSolrClient class that seemingly disable any use of multipart 
> post.  This is critical because ManifoldCF's documents often contain metadata 
> in excess of 4K that therefore cannot be stuffed into a URL.
> The changes in question seem to have been performed by Paul Noble on 
> 10/31/2017, with the introduction of the RequestWriter mechanism.  Basically, 
> if a request has a RequestWriter, it is used exclusively to write the 
> request, and that overrides the stream mechanism completely.  I haven't 
> chased it back to a specific ticket.
> ManifoldCF's usage of SolrJ involves the creation of 
> ContentStreamUpdateRequests for all posts meant for Solr Cell, and the 
> creation of UpdateRequests for posts not meant for Solr Cell (as well as for 
> delete and commit requests).  For our release cycle that is taking place 
> right now, we're shipping a modified version of HttpSolrClient that ignores 
> the RequestWriter when dealing with ContentStreamUpdateRequests.  We 
> apparently cannot use multipart for all requests because on the Solr side we 
> get "pfountz Should not get here!" errors on the Solr side when we do, which 
> generate HTTP error code 500 responses.  That should not happen either, in my 
> opinion.



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