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https://issues.apache.org/jira/browse/SOLR-7384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492561#comment-14492561
 ] 

Shalin Shekhar Mangar commented on SOLR-7384:
---------------------------------------------

Interestingly, I always see the above exception in the logs even when the test 
passes. I think the changes made in SOLR-5890 are not correct and the 
deleteById with a _route_ is sent to the leader but the leader replicates it 
without assigning a _version_ field. Since the update still succeeds on the 
leader, the test passes when the subsequent search query hits the leader but it 
fails when it happens to hit the replica directly.

The second bug is why the leader even attempts to send such an update (i.e. 
without a _version_). We should assert such things and make sure that they are 
not possible at all.

> FullSolrCloudDistribCmdsTest failures on jenkins
> ------------------------------------------------
>
>                 Key: SOLR-7384
>                 URL: https://issues.apache.org/jira/browse/SOLR-7384
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>            Reporter: Shalin Shekhar Mangar
>            Assignee: Shalin Shekhar Mangar
>             Fix For: Trunk, 5.2
>
>         Attachments: FullSolrCloudDistribCmdsTest-2.log, 
> FullSolrCloudDistribCmdsTest.log
>
>
> This has been failing quite regularly on jenkins.
> {quote}
> Build: http://jenkins.thetaphi.de/job/Lucene-Solr-trunk-Linux/12286/
> Java: 32bit/jdk1.9.0-ea-b54 -server -XX:+UseConcMarkSweepGC
> 1 tests failed.
> FAILED:  org.apache.solr.cloud.FullSolrCloudDistribCmdsTest.test
> Error Message:
> Error from server at 
> http://127.0.0.1:44672/implicit_collection_without_routerfield_shard1_replica1:
>  no servers hosting shard:
> Stack Trace:
> org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error 
> from server at 
> http://127.0.0.1:44672/implicit_collection_without_routerfield_shard1_replica1:
>  no servers hosting shard:
>         at 
> __randomizedtesting.SeedInfo.seed([944EEE25A6B2D153:1C1AD1FF084EBCAB]:0)
>         at 
> org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:557)
>         at 
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:234)
>         at 
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:226)
>         at 
> org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:135)
> {quote}



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