我试图使用DataImportHandler索引solr中的mysql表,但它似乎没有索引
data-config.xml
<?xml version="1.0" encoding="UTF-8" ?>
<dataConfig>
<dataSource type="JdbcDataSource" driver="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost/solr_tut"
user="root"
password=""/>
<document>
<entity name="product_id"
query="select product_id,name,description from products">
</entity>
</document>
</dataConfig>
solrconfig.xml
<lib dir="../../../contrib/dataimporthandler/lib/" regex=".*\.jar" />
<lib dir="../../../dist/" regex="solr-dataimporthandler-\d.*\.jar" />
<requestHandler name="/dataimport" class="org.apache.solr.handler.dataimport.DataImportHandler">
<lst name="defaults">
<str name="config">data-config.xml</str>
</lst>
</requestHandler>
当我尝试索引solr admin( http://localhost:8080/solr/dataimport?command=full-import
)时,我得到了这个回复
<response>
<lst name="responseHeader">
<int name="status">0</int>
<int name="QTime">19</int>
</lst>
<lst name="initArgs">
<lst name="defaults">
<str name="config">data-config.xml</str>
</lst>
</lst>
<str name="command">full-import</str>
<str name="status">idle</str>
<str name="importResponse"/>
<lst name="statusMessages">
<str name="Total Requests made to DataSource">1</str>
<str name="Total Rows Fetched">4</str>
<str name="Total Documents Skipped">0</str>
<str name="Full Dump Started">2014-01-10 10:38:00</str>
<str name="">
Indexing completed. Added/Updated: 0 documents. Deleted 0 documents.
</str>
<str name="Committed">2014-01-10 10:38:00</str>
<str name="Total Documents Processed">0</str>
<str name="Time taken">0:0:0.33</str>
</lst>
<str name="WARNING">
This response format is experimental. It is likely to change in the future.
</str>
</response>
如果我搜索( http://localhost:8080/solr/select?q=*:*
),我得到0结果 .
Update-1: schema.xml
1 回答
您刚刚错过了结果集中的列到文档字段的映射 . 您需要在
data-config.xml
的entity
元素中执行此操作 .在您的情况下,您错过了一个重要的映射 .
product_id
至id
. 如果模式中的列名和字段名相同,Solr可以自动检测映射,如wiki中所写但正如所说,在你的情况下并非如此 .
product_id
和id
确实有所不同 . 由于id
字段为required
,因此这些文档不会进入索引 .更多信息可以在in Solr's Wiki about the DataImportHandler或in the reference guide找到 .