apache solr:4.1.0 tomcat:7.0.29 mysqlDriver:mysql-connector-java-5.1.24-bin.jar 已將mysql驅動放入solr_home/db/lib中，dataimport也加載成功，但是執行導入時就會報no uniquekey specified in schema和unable to read:dataimport.properties錯誤. db-data-config.xml:<dataConfig> <dataSource type="jdbcDataSource" driver="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost:3306/user" user="root">     <document>         <entity name="users" query="select lUserId,sUserName,sName from users">             <field column="lUserId" name="id"/>             <field column="sUserName" name="userName"/>             <field column="sName" name="name"/>        </entity>    </document> </dataConfig>