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From "Will McGinnis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-9497) HttpSolrClient.Builder Returns Unusable Connection
Date Mon, 12 Sep 2016 21:15:20 GMT

    [ https://issues.apache.org/jira/browse/SOLR-9497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15485312#comment-15485312
] 

Will McGinnis commented on SOLR-9497:
-------------------------------------



private static HttpSolrClient connectSolrClient() { 

return new HttpSolrClient.Builder(urlString).build(); 

} 




< dependency > 

< groupId > org.apache.solr </ groupId > 

< artifactId > solr - solrj </ artifactId > 

< version > 6.2.0 </ version > 

</ dependency > 

< dependency > 

< groupId > org.apache.solr </ groupId > 

< artifactId > solr -core </ artifactId > 

< version > 6.2.0 </ version > 

</ dependency > 




I also tried this: 

< dependency > 

< groupId > org.apache.httpcomponents </ groupId > 

< artifactId > httpclient </ artifactId > 

< version > 4.5.2 </ version > 

</ dependency > 




What else do you need? 

Thank you 

Will McGinnis 





> HttpSolrClient.Builder Returns Unusable Connection
> --------------------------------------------------
>
>                 Key: SOLR-9497
>                 URL: https://issues.apache.org/jira/browse/SOLR-9497
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: clients - java
>    Affects Versions: 6.2
>         Environment: Java 1.8 Mac OSX
>            Reporter: Will McGinnis
>              Labels: SolrJ
>             Fix For: 6.1.1
>
>
> SolrClient solr = new HttpSolrClient.Builder(urlString).build();
> Exception in thread "main" java.lang.VerifyError: Bad return type
> Exception Details:
>   Location:
>  org/apache/solr/client/solrj/impl/HttpClientUtil.createClient(Lorg/apache/solr/common/params/SolrParams;Lorg/apache/http/conn/ClientConnectionManager;)Lorg/apache/http/impl/client/CloseableHttpClient;
@58: areturn
>   Reason:
>     Type 'org/apache/http/impl/client/DefaultHttpClient' (current frame, stack[0]) is
not assignable to 'org/apache/http/impl/client/CloseableHttpClient' (from method signature)
>   Current Frame:
>     bci: @58
>     flags: { }
>     locals: { 'org/apache/solr/common/params/SolrParams', 'org/apache/http/conn/ClientConnectionManager',
'org/apache/solr/common/params/ModifiableSolrParams', 'org/apache/http/impl/client/DefaultHttpClient'
}
>     stack: { 'org/apache/http/impl/client/DefaultHttpClient' }
>   Bytecode:
>     0x0000000: bb00 0359 2ab7 0004 4db2 0005 b900 0601
>     0x0000010: 0099 001e b200 05bb 0007 59b7 0008 1209
>     0x0000020: b600 0a2c b600 0bb6 000c b900 0d02 002b
>     0x0000030: b800 104e 2d2c b800 0f2d b0            
>   Stackmap Table:
>     append_frame(@47,Object[#143])
> 	at org.apache.solr.client.solrj.impl.HttpSolrClient.<init>(HttpSolrClient.java:209)
> 	at org.apache.solr.client.solrj.impl.HttpSolrClient$Builder.build(HttpSolrClient.java:874)
> I have tried upgrading to httpclient-4.5.2. This appears to create the same problem.
For now, I use this deprecated, connection code.
> return new HttpSolrClient(urlString, new SystemDefaultHttpClient());
> Eventually, this hangs the Solr server, because you run out of file handles.
> I suspect calling solrClient.close() is doing nothing.
> I tried not closing and using a static connection to Solr.
> This results in basically, the same problem of, eventually hanging the Solr server.



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