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https://issues.apache.org/jira/browse/SOLR-11959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16829715#comment-16829715
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Amrit Sarkar commented on SOLR-11959:
-------------------------------------

Thanks, Jan. I see the direction. 

Can we utilize JWTAuthPlugin (JWT basically) solely (written by you, and I was 
reading it to understand how auth works overall in Solr) to have secure 
communication cross clusters? And what's needed outside of it is just to have 
network access (ports open) to respective zookeeper and Solr ports (which are 
already part of instructions).

I am not yet done with understanding the Auth module of Solr, and may suggest 
something doesn't make sense.

> CDCR unauthorized to replicate to a target collection that is update 
> protected in security.json
> -----------------------------------------------------------------------------------------------
>
>                 Key: SOLR-11959
>                 URL: https://issues.apache.org/jira/browse/SOLR-11959
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: Authentication, CDCR
>    Affects Versions: 7.2
>            Reporter: Donny Andrews
>            Priority: Major
>         Attachments: SOLR-11959.patch
>
>
> Steps to reproduce: 
>  # Create a source and a target collection in their respective clusters. 
>  # Update security.json to require a non-admin role to read and write. 
>  # Index to source collection 
> Expected: 
> The target collection should receive the update
> Actual:
> {code:java}
> org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error 
> from server at http://redacted/solr/redacted: Expected mime type 
> application/octet-stream but got text/html. <html>
>  <head>
>  <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
>  <title>Error 401 Unauthorized request, Response code: 401</title>
>  </head>
>  <body><h2>HTTP ERROR 401</h2>
>  <p>Problem accessing /solr/redacted/update. Reason:
>  <pre> Unauthorized request, Response code: 401</pre></p>
>  </body>
>  </html>at 
> org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:607)
>  at 
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255)
>  at 
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244)
>  at 
> org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:483)
>  at 
> org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:413)
>  at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1103)
>  at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:883)
>  at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:816)
>  at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:194)
>  at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:211)
>  at 
> org.apache.solr.handler.CdcrReplicator.sendRequest(CdcrReplicator.java:140)
>  at org.apache.solr.handler.CdcrReplicator.run(CdcrReplicator.java:104)
>  at 
> org.apache.solr.handler.CdcrReplicatorScheduler.lambda$null$0(CdcrReplicatorScheduler.java:81)
>  at 
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
>  at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  at java.lang.Thread.run(Thread.java:748){code}



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