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https://issues.apache.org/jira/browse/SOLR-895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12655570#action_12655570
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Shalin Shekhar Mangar commented on SOLR-895:
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Multiple documents is a legacy design issue that we are trying to remove
altogether. Initially DataImportHandler was an external stand-alone server
writing documents to Solr. Therefore it had multiple <document> elements to
write to multiple cores. Once it was integrated inside Solr itself, it made
sense to move away from that design.
Just use a single document always and use multiple root entities if needed. If
you have multiple cores, each core should have its own DataImportHandler
configuration.
> DataImportHandler does not import multiple documents specified in
> db-data-config.xml
> ------------------------------------------------------------------------------------
>
> Key: SOLR-895
> URL: https://issues.apache.org/jira/browse/SOLR-895
> Project: Solr
> Issue Type: Bug
> Components: contrib - DataImportHandler
> Affects Versions: 1.3, 1.3.1, 1.4
> Reporter: Cameron Pope
> Attachments: import-multiple-documents.patch
>
>
> In our system we have multiple kinds of items that need to be indexed. In the
> database, they are represented as 'one table per concrete class'. We are
> using the DataImportHandler to automatically create an index from our
> database. The db-data-config.xml file that we are using contains two
> 'Document' elements: one for each class of item that we are indexing.
> Expected behavior: the DataImportHandler imports items for each 'Document'
> tag defined in the configuration file
> Actual behavior: the DataImportHandler stops importing it completes indexing
> of the first document
> I am attaching a patch, with a unit test that verifies the correct behavior,
> it should apply against the trunk without problems. I can also supply a patch
> against the 1.3 branch if you would like.
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