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From Oleksandr Yermolenko <...@sumix.com>
Subject how to change uniqueKey?
Date Tue, 03 Nov 2015 14:24:08 GMT
Hello, All,

I can't find the way to change uniqueKey in "managed-schema" environment!!!

my steps:
1. Solr 5.3.1

/opt/solr/bin/solr start
/opt/solr/bin/solr create -c my_mail

2. added a few fields:
curl -X POST -H 'Content-type:application/json' --data-binary '{
   "add-field":{"name":"sentDate", "type":"date", "indexed":true, 
"stored":true },
   "add-field":{"name":"subject", "type":"text_general", "indexed":true, 
"stored":true },
...
   "add-field":{"name":"flags", "type":"string", "indexed":true, 
"stored":true, "omitNorms":true, "multiValued":true },
   "add-field":{"name":"messageId", "type":"string", "indexed":true, 
"stored":true, "required":true, "multiValued":"false" },
   "add-field":{"name":"attachmentNames", "type":"string", 
"indexed":true, "stored":true, "omitNorms":true, "multiValued":true }
}' http://localhost:8983/solr/my_mail/schema

3. created according to the docs mail-data-config.xml:
<dataConfig>
   <document>
       <!--
         Note - In order to index attachments, set 
processAttachement="true" and drop
         Tika and its dependencies to lib directory
        -->
       <entity processor="MailEntityProcessor"
             user="XXXXXXXX"
             password="XXXXXXXXX"
             host="XXXXXXXXX"
             protocol="imaps"
             fetchMailsSince="2014-06-30 00:00:00"
             batchSize="20"
             folders="INBOX"
             processAttachement="false"
             name="mail_entity"/>
   </document>
</dataConfig>

4. put libs paths and requestHandler to solrconfig.xml
...
   <lib dir="/opt/solr/contrib/dataimporthandler/lib/" regex=".*\.jar" />
   <lib dir="/opt/solr/dist/" regex="solr-dataimporthandler-.*\.jar" />
   <lib dir="/opt/solr/contrib/dataimporthandler-extras/lib/" 
regex=".*\.jar" />
...
     <requestHandler name="/dataimport" class="solr.DataImportHandler">
       <lst name="defaults">
         <str name="config">mail-data-config.xml</str>
       </lst>
     </requestHandler>

5. try to dataimport my mailbox
and ... org.apache.solr.common.SolrException: Document is missing 
mandatory uniqueKey field: id

6. look at the examples in example/example-DIH/solr/mail/conf
...
  <uniqueKey>messageId</uniqueKey>
...

7. The first and the last question: the correct way changing uniqueKey 
in schemaless environment? what I missed?

Thanks a lot for everyone for reading and helping.

Oleksandr Yermolenko
network/systems engineer


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