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https://issues.apache.org/jira/browse/SOLR-6239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14236864#comment-14236864
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Anton Kozak commented on SOLR-6239:
-----------------------------------
The issue is reproducible in case of high load, I see 4-5 exceptions in the log
after full index rebuild:
2014-12-06 04:51:21,372 [pool-2-thr] [ERROR]
c.c.r.w.c.r.index.impl.service.RebuildIndexServiceImpl ->run:188 - Unexpected
exception has been thrown.
org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException:
Connection reset
at
org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:554)
~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
at
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:210)
~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
at
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:206)
~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
at
org.apache.solr.client.solrj.impl.LBHttpSolrServer.doRequest(LBHttpSolrServer.java:340)
~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
at
org.apache.solr.client.solrj.impl.LBHttpSolrServer.request(LBHttpSolrServer.java:301)
~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
at
org.apache.solr.client.solrj.impl.CloudSolrServer.request(CloudSolrServer.java:659)
~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
at
org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:124)
~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
Is it any workaround for 4.9 version?
Thanks,
Anton
> HttpSolrServer: connection still allocated
> ------------------------------------------
>
> Key: SOLR-6239
> URL: https://issues.apache.org/jira/browse/SOLR-6239
> Project: Solr
> Issue Type: Bug
> Components: clients - java
> Reporter: Sergio Fernández
> Priority: Minor
>
> In scenarios where concurrency is aggressive, this exception could easily
> appear:
> {quote}
> org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: Invalid
> use of BasicClientConnManager: connection still allocated.
> Make sure to release the connection before allocating another one.
> at
> org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:554)
> ~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
> at
> org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:210)
> ~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
> at
> org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:206)
> ~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
> at
> org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:124)
> ~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
> at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:116)
> ~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
> at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:102)
> ~[solr-solrj-4.9.0.jar:4.9.0 1604085 - rmuir - 2014-06-20 06:34:04]
> {quote}
> I wonder if there is any solution for it?
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