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https://issues.apache.org/jira/browse/SOLR-10718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16027664#comment-16027664
 ] 

Hrishikesh Gadre commented on SOLR-10718:
-----------------------------------------

[~janhoy] While I don't (yet) know the exact implementation issue, the 
root-cause is setting these two parameters while starting the Solr server.

{noformat}
grep -q "^SOLR_AUTH_TYPE=\"basic\"" bin/solr.in.sh
if [ $? != 0 ]; then
        echo 'SOLR_AUTH_TYPE="basic"' >> bin/solr.in.sh
        echo 'SOLR_AUTHENTICATION_OPTS="-Dbasicauth=solr:SolrRocks"' >> 
bin/solr.in.sh
fi
{noformat}

Note that these parameters are required only on the client side. If you don't 
add these parameters to solr.in.sh before server startup, then it works as 
expected. For testing purpose, I just exported these environment variables on 
the command-line (instead of adding them to solr.in.sh).

May be we should just ensure that these environment variables are not 
considered during Solr server startup?


> Configuring Basic auth prevents adding a collection
> ---------------------------------------------------
>
>                 Key: SOLR-10718
>                 URL: https://issues.apache.org/jira/browse/SOLR-10718
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: Server
>    Affects Versions: 6.5, 6.5.1
>            Reporter: Shawn Feldman
>            Priority: Minor
>         Attachments: repro.sh
>
>
> Configure Basic auth according to documentation 
> Add basic auth params 
> SOLR_AUTH_TYPE="basic"
> SOLR_AUTHENTICATION_OPTS="-Dbasicauth=solr:SolrRocks"
> Try to add a collection 
> Receive a timeout and error in the logs 
> {code}
> java.lang.IllegalArgumentException: Credentials may not be null
>         at org.apache.http.util.Args.notNull(Args.java:54)
>         at org.apache.http.auth.AuthState.update(AuthState.java:113)
>         at 
> org.apache.solr.client.solrj.impl.PreemptiveAuth.process(PreemptiveAuth.java:56)
>         at 
> org.apache.http.protocol.ImmutableHttpProcessor.process(ImmutableHttpProcessor.java:132)
>         at 
> org.apache.http.protocol.HttpRequestExecutor.preProcess(HttpRequestExecutor.java:166)
>         at 
> org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:485)
>         at 
> org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:882)
>         at 
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
>         at 
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
>         at 
> org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:515)
>         at 
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:279)
>         at 
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:268)
> {code}



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