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https://issues.apache.org/jira/browse/SOLR-1352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12893264#action_12893264
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Russell Teabeault commented on SOLR-1352:
-----------------------------------------
I believe there have been some incompatible changes that have been made and so
it is not as easy as just dropping in the DIH jar. I took the 1.4 war and
replaced the DIH jar with a current build of the 1.5 DIH jar. When accessing
the dataimport.jsp file I got the following error:
org.apache.solr.handler.RequestHandlerBase.handleRequestBody(Lorg/apache/solr/request/SolrQueryRequest;Lorg/apache/solr/request/SolrQueryResponse;)V
java.lang.AbstractMethodError:
org.apache.solr.handler.RequestHandlerBase.handleRequestBody(Lorg/apache/solr/request/SolrQueryRequest;Lorg/apache/solr/request/SolrQueryResponse;)V
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316)
....
Any ideas? Thanks.
> DIH: MultiThreaded
> ------------------
>
> Key: SOLR-1352
> URL: https://issues.apache.org/jira/browse/SOLR-1352
> Project: Solr
> Issue Type: Improvement
> Components: contrib - DataImportHandler
> Reporter: Noble Paul
> Assignee: Noble Paul
> Fix For: 1.5
>
> Attachments: SOLR-1352.patch, SOLR-1352.patch, SOLR-1352.patch
>
>
> It has been a long pending request to make DIH multithreaded. Now that we
> have implemented most of the features , the next best thing we can aim for is
> performance. DIH should be able to take advantage of multiple cores in a box
> .I expect the configuration to be as follows
> {code:xml}
> <entity name="foo" threads="4">
> <!--more stuff goes here-->
> </entity>
> {code}
> at the entity where the threads is specified it should fork into multiple
> threads. If the threads<2 it executes w/o forking. In debug mode it
> automatically becomes singlethreaded.
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