我在Solr4中使用dataImportHandler生成UUID时遇到问题。我试图从现有的MySQL数据库导入。
My schema.xml包含:
<fields>
<field name="uuid" type="uuid" indexed="true" stored="true" required="true" />
<field name="id" type="string" indexed="true" stored="true" required="true"/>
<field name="address" type="text_general" indexed="true" stored="true"/>
<field name="city" type="text_general" indexed="true" stored="true" />
<field name="county" type="string" indexed="true" stored="true" />
<field name="lat" type="text_general" indexed="true" stored="true" />
<field name="lng" type="text_general" indexed="true" stored="true" termVectors="true" termPositions="true" termOffsets="true" />
<field name="price" type="float" indexed="true" stored="true"/>
<field name="bedrooms" type="float" indexed="true" stored="true" />
<field name="image" type="string" indexed="true" stored="true"/>
<field name="region" type="location_rpt" indexed="true" stored="true" />
<defaultSearchField>address</defaultSearchField>
<field name="_version_" type="long" indexed="true" stored="true"/>
<field name="text" type="text_general" indexed="true" stored="false" multiValued="true"/>
</fields>
<uniqueKey>uuid</uniqueKey>
然后在<types>
<fieldType name="uuid" class="solr.UUIDField" indexed="true" />
我的Solrconfig.xml包含:
<requestHandler name="/dataimport" class="org.apache.solr.handler.dataimport.DataImportHandler">
<updateRequestProcessorChain name="uuid">
<processor class="solr.UUIDUpdateProcessorFactory">
<str name="fieldName">uuid</str>
</processor>
<processor class="solr.RunUpdateProcessorFactory" />
</updateRequestProcessorChain>
<lst name="defaults">
<str name="config">data-config.xml</str>
</lst>
每当我运行更新,一些文档插入ok,购买许多返回:
org.apache.solr.common.SolrException: [doc=204] missing required field: uuid
根据链接的例子,应该是
<requestHandler name="/dataimport" class="org.apache.solr.handler.dataimport.DataImportHandler">
.........
<lst name="defaults">
<str name="config">data-config.xml</str>
<str name="update.chain">uuid</str>
</lst>
</requestHandler>
<updateRequestProcessorChain name="uuid">
<processor class="solr.UUIDUpdateProcessorFactory">
<str name="fieldName">uuid</str>
</processor>
<processor class="solr.RunUpdateProcessorFactory" />
</updateRequestProcessorChain>