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From "Jack Krupansky" <j...@basetechnology.com>
Subject Re: Unique key error while indexing pdf files
Date Mon, 01 Jul 2013 12:15:19 GMT
It all depends on your data model - tell us more about your data model.

For example, how will users or applications query these documents and what 
will they expect to be able to do with the ID/key for the documents?

How are you expecting to identify documents in your data model?

-- Jack Krupansky

-----Original Message----- 
From: archit2112
Sent: Monday, July 01, 2013 7:17 AM
To: solr-user@lucene.apache.org
Subject: Unique key error while indexing pdf files

Hi

Im trying to index pdf files in solr 4.3.0 using the data import handler.

*My request handler - *

<requestHandler name="/dataimport1"
class="org.apache.solr.handler.dataimport.DataImportHandler">
    <lst name="defaults">
      <str name="config">data-config1.xml</str>
    </lst>
  </requestHandler>

*My data-config1.xml *

<dataConfig>
<dataSource type="BinFileDataSource" />
<document>
<entity name="f" dataSource="null" rootEntity="false"
processor="FileListEntityProcessor"
baseDir="C:\Users\aroraarc\Desktop\Impdo" fileName=".*pdf"
recursive="true">
<entity name="tika-test" processor="TikaEntityProcessor"
url="${f.fileAbsolutePath}" format="text">
<field column="Author" name="author" meta="true"/>
<field column="title" name="title1" meta="true"/>
<field column="text" name="text"/>
</entity>
</entity>
</document>
</dataConfig>


Now When i try and index the files i get the following error -

org.apache.solr.common.SolrException: Document is missing mandatory
uniqueKey field: id
at
org.apache.solr.update.AddUpdateCommand.getIndexedId(AddUpdateCommand.java:88)
at
org.apache.solr.update.processor.DistributedUpdateProcessor.versionAdd(DistributedUpdateProcessor.java:517)
at
org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:396)
at
org.apache.solr.update.processor.LogUpdateProcessor.processAdd(LogUpdateProcessorFactory.java:100)
at org.apache.solr.handler.dataimport.SolrWriter.upload(SolrWriter.java:70)
at
org.apache.solr.handler.dataimport.DataImportHandler$1.upload(DataImportHandler.java:235)
at
org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:500)
at
org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:491)
at
org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:404)
at
org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:319)
at
org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:227)
at
org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:422)
at
org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:487)
at
org.apache.solr.handler.dataimport.DataImporter$1.run(DataImporter.java:468)


This problem can be solved easily in case of database indexing but i dont
know how to go about the unique key of a document. how do i define the id
field (unique key) of a pdf file. how do i solve this problem?

Thanks in advance




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