[ 
https://issues.apache.org/jira/browse/SOLR-17935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18035400#comment-18035400
 ] 

Chris M. Hostetter commented on SOLR-17935:
-------------------------------------------

git bisect has identified this issue as the root cause of ~20% jenkins failure 
rate in TestRandomFlRTGCloud since 4a584a6042b263f28f00dc0157db30feae54b5e1 was 
committed to main.

[http://fucit.org/solr-jenkins-reports/history-trend-of-recent-failures.html#series/org.apache.solr.cloud.TestRandomFlRTGCloud.testRandomizedUpdatesAndRTGs]

 

The handful of failures i've i reviewed personally are all OOM related – 
suggesting that perhaps something in the change is leaking RAM/filehandles?

{noformat}
  2> 356635 INFO  (qtp1817190094-8509-null-15526) [n:127.0.0.1:42459_solr 
c:org.apache.solr.cloud.TestRandomFlRTGCloud_collection s:shard2 r:core_node3 
x:org.apache.solr.cloud.TestRandomFlRTGCloud_collection_s
hard2_replica_n1 t:null-15526] o.a.s.c.S.Request path=/get 
params={distrib=false&qt=/get&fl=id&fl=_root_:id,my_int_field_alias:bbb_i,my_core_alias:[core],[core],eee_s,score,my_shard_alias:[shard],subq:[subquer
y],*_i,bogus_unused_field_ss&shards.purpose=1&subq.q={!field+f%3Dnext_2_ids_i+v%3D$row.id}&_forwardedCount=1&rid=null-15526&shards.qt=/get&omitHeader=false&NOW=1762061340602&ids=330,115,170&isShard=true&wt=jav
abin} status=400 QTime=11002
   >     org.apache.solr.client.solrj.SolrClient$RemoteSolrException: Error 
from server at https://127.0.0.1:43357/solr: Error from server at 
https://127.0.0.1:34547/solr/org.apache.solr.cloud.TestRandomFlRTGC
loud_collection_shard1_replica_n2/get: Expected mime type in 
[application/vnd.apache.solr.javabin, application/octet-stream] but got 
text/html. <html>
   >     <head>
   >     <meta http-equiv="Content-Type" 
content="text/html;charset=ISO-8859-1"/>
   >     <title>Error 500 java.lang.OutOfMemoryError: Java heap space</title>
   >     </head>
   >     <body>
   >     <h2>HTTP ERROR 500 java.lang.OutOfMemoryError: Java heap space</h2>
   >     <table>
   >     
<tr><th>URI:</th><td>https://127.0.0.1:34547/solr/org.apache.solr.cloud.TestRandomFlRTGCloud_collection_shard1_replica_n2/get</td></tr>
   >     <tr><th>STATUS:</th><td>500</td></tr>
   >     <tr><th>MESSAGE:</th><td>java.lang.OutOfMemoryError: Java heap 
space</td></tr>
   >     </table>
   >     <hr/><a href="https://jetty.org/";>Powered by Jetty:// 12.0.27</a><hr/>
...
  2> NOTE: reproduce with: gradlew test --tests 
TestRandomFlRTGCloud.testRandomizedUpdatesAndRTGs -Dtests.seed=C25747F413CEB0DC 
-Dtests.multiplier=3 -Dtests.locale=shi-Tfng-MA 
-Dtests.timezone=America/Yellowknife -Dtests.asserts=true 
-Dtests.file.encoding=UTF-8
{noformat}

bisect details...

{noformat}
hossman@slate:~/lucene/solr [j23] 
[bisect/good-b810b71b90bbbfeed528466f0f413fc143ee4533] $ git bisect log
# bad: [19ec326349d1f31d6735f3b8c11b793503c77f43] SOLR-17979 Improve 
changes2html.py for authors and PR detection (#3831)
# good: [709fa3242ca22fd317eae06d1d8e2849505800fb] SOLR-17864: Migrating system 
properties to modern name. (#3690)
git bisect start '19ec326349d1f31d6735f3b8c11b793503c77f43' 
'709fa3242ca22fd317eae06d1d8e2849505800fb'
# bad: [d5c7882265da74552a8526b80f84d6b3dca3a075] Merge branch 
'refs/heads/main' into feature/SOLR-17458-rebased
git bisect bad d5c7882265da74552a8526b80f84d6b3dca3a075
# good: [0a84fa5f07c5d1b0df4b236f6f4a1ca6019173d3] SOLR-17458: Remove 
prometheus exporter integration tests (bats & docker)
git bisect good 0a84fa5f07c5d1b0df4b236f6f4a1ca6019173d3
# bad: [b019c64f6bf60fdab1ecf847a5646c249b4e98e6] SOLR-17931: Remove deprecated 
core details from admin command responses (#3743)
git bisect bad b019c64f6bf60fdab1ecf847a5646c249b4e98e6
# good: [fc45f5e8406750ee7c3a3498c23f6dade5dacdd2] SOLR-17939: Give all 
ZK-plugins to SolrZkClient (#3720)
git bisect good fc45f5e8406750ee7c3a3498c23f6dade5dacdd2
# bad: [4a584a6042b263f28f00dc0157db30feae54b5e1] SOLR-17935: Migrate away from 
NoOpResponseParser (#3710)
git bisect bad 4a584a6042b263f28f00dc0157db30feae54b5e1
# good: [195917484f6331da361e9a03af336b0bcbef1010] Crave: add PR reference 
(#3728)
git bisect good 195917484f6331da361e9a03af336b0bcbef1010
# good: [b810b71b90bbbfeed528466f0f413fc143ee4533] SOLR-17925: Remove obsolete 
QueryCommand.timeAllowed replaced by QueryLimits. (#3718)
git bisect good b810b71b90bbbfeed528466f0f413fc143ee4533
# first bad commit: [4a584a6042b263f28f00dc0157db30feae54b5e1] SOLR-17935: 
Migrate away from NoOpResponseParser (#3710)

{noformat}
 

> Remove NoOpResponseParser
> -------------------------
>
>                 Key: SOLR-17935
>                 URL: https://issues.apache.org/jira/browse/SOLR-17935
>             Project: Solr
>          Issue Type: Sub-task
>            Reporter: Eric Pugh
>            Assignee: Eric Pugh
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 10.0
>
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> The NoOpResponseParser has been deprecated in favour of the 
> InputStreamResponseParser



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