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https://issues.apache.org/jira/browse/SOLR-9867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mikhail Khludnev updated SOLR-9867:
-----------------------------------
    Attachment: 6x failure 0 docs.txt

[^6x failure 0 docs.txt]
https://jenkins.thetaphi.de/job/Lucene-Solr-6.x-Linux/3438/consoleFull
{code}
   [junit4]   2> 2187212 INFO  (qtp33229559-24974) [    ] o.a.s.s.HttpSolrCall 
[admin] webapp=null path=/admin/cores 
params={name=techproducts&action=CREATE&instanceDir=techproducts&wt=json} 
status=0 QTime=822
   [junit4]   1> SimplePostTool version 5.0.0
   [junit4]   1> Posting files to [base] url 
http://localhost:36619/solr/techproducts/update using content-type 
application/xml...
...
   [junit4]   1> 14 files indexed.
   [junit4]   1> COMMITting Solr index changes to 
http://localhost:36619/solr/techproducts/update...
   [junit4]   1> Time spent: 0:00:00.017
   [junit4]   2> 2187234 INFO  (qtp33229559-24974) [    ] o.a.s.c.S.Request 
[techproducts]  webapp=/solr path=/select params={q=*:*&wt=javabin&version=2} 
hits=0 status=0 QTime=0
   [junit4]   2> 2187234 WARN  
(TEST-TestSolrCLIRunExample.testTechproductsExample-seed#[6C573D0F56B69777]) [  
  ] o.a.s.u.TestSolrCLIRunExample Going to wait for 1 second before re-trying 
query for techproduct example docs ...
   [junit4]   2> 2188237 INFO  (qtp33229559-24972) [    ] o.a.s.c.S.Request 
[techproducts]  webapp=/solr path=/select params={q=*:*&wt=javabin&version=2} 
hits=0 status=0 QTime=0
   [junit4]   2> 2188237 INFO  
(TEST-TestSolrCLIRunExample.testTechproductsExample-seed#[6C573D0F56B69777]) [  
  ] o.a.s.SolrTestCaseJ4 ###Ending testTechproductsExample
{code}
Updates come in 17 ms and left no update activity log. What is it? 

> The Solr examples can not always be started after being stopped due to race 
> with loading core.
> ----------------------------------------------------------------------------------------------
>
>                 Key: SOLR-9867
>                 URL: https://issues.apache.org/jira/browse/SOLR-9867
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Mark Miller
>            Assignee: Mikhail Khludnev
>            Priority: Critical
>             Fix For: 6.6, master (7.0)
>
>         Attachments: 6x failure 0 docs.txt, Lucene-Solr-master-MacOSX #3986 
> Console [Jenkins].htm, SDF init and doFilter in parallel.png, 
> SOLR-9867-createCoreContainer-fix.patch, SOLR-9867-ignore-whitespace.patch, 
> SOLR-9867.patch, SOLR-9867.patch, SOLR-9867.patch, SOLR-9867.patch, 
> SOLR-9867.patch, SOLR-9867.patch, SOLR-9867.patch, SOLR-9867-test.patch, 
> stdout_90
>
>
> I'm having trouble when I start up the schemaless example after shutting down.
> I first tracked this down to the fact that the run example tool is getting an 
> error when it tries to create the SolrCore (again, it already exists) and so 
> it deletes the cores instance dir which leads to tlog and index lock errors 
> in Solr.
> The reason it seems to be trying to create the core when it already exists is 
> that the run example tool uses a core status call to check existence and 
> because the core is loading, we don't consider it as existing. I added a 
> check to look for core.properties.
> That seemed to let me start up, but my first requests failed because the core 
> was still loading. It appears CoreContainer#getCore  is supposed to be 
> blocking so you don't have this problem, but there must be an issue, because 
> it is not blocking.



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