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Posted to dev@lucene.apache.org by "Hoss Man (JIRA)" <ji...@apache.org> on 2012/06/07 23:40:24 UTC

[jira] [Updated] (SOLR-861) SOLRJ Client does not release connections 'nicely' by default

     [ https://issues.apache.org/jira/browse/SOLR-861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hoss Man updated SOLR-861:
--------------------------

    Fix Version/s: 4.0
         Assignee: Sami Siren

Sami: it's not clear to me if this has already been addressed by the new client in SOLR-2020 - can you please triage for 4.0?
                
> SOLRJ Client does not release connections 'nicely' by default
> -------------------------------------------------------------
>
>                 Key: SOLR-861
>                 URL: https://issues.apache.org/jira/browse/SOLR-861
>             Project: Solr
>          Issue Type: Bug
>          Components: clients - java
>    Affects Versions: 1.3
>         Environment: linux
>            Reporter: Ian Holsman
>            Assignee: Sami Siren
>             Fix For: 4.0
>
>         Attachments: SimpleClient.patch
>
>
> as-is the SolrJ Commons HttpServer uses the multi-threaded http connection manager. This manager seems to keep the connection alive for the client and does not close it when the object is dereferenced.
> When you keep on opening new CommonsHttpSolrServer instances it results in a socket that is stuck in the CLOSE_WAIT state. Eventually this will use up all your available file handles, causing your client to die a painful death.
> The solution I propose is that it uses a 'Simple' HttpConnectionManager which is set to not reuse connections if you don't specify a HttpClient.

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