SOLR DataImport 错误“无法执行查询”

Question

我有一个在 Amazon EC2 实例上运行的网站，我正在尝试让 Solr 与我正在使用的数据库进行交互和工作。我可以使用管理界面并已将示例 xml 文件编入索引，但每当我尝试导入我的一个数据库表时，我都会收到错误

SEVERE: Exception while processing: gamelydb document : SolrInputDocument[{}]:org.apache.solr.handler.dataimport.DataImportHandlerException:
 Unable to execute query: SELECT * FROM league Processing Document # 1

这是我的 data-config.xml 文件。我还将 dataimporthandler 添加到 solrconfig.xml 文件中。

<dataConfig>
  <dataSource type="JdbcDataSource"
              driver="com.mysql.jdbc.Driver"
              url="jdbc:mysql://www.mysite.com/mydb"
              user="root"
              password="mypassword"/>
  <document>
    <entity name="mydb"
            query="SELECT * FROM league">
       <field column="id" name="id" />
       <field column="leaguename" name="leaguename" />
    </entity>
  </document>
</dataConfig>

知道为什么会这样吗？如果我需要澄清任何事情，请告诉我。

所以我稍微更改了网址并删除了“http://”，该错误似乎消失了。但是，似乎没有任何信息可以通过管理员进行搜索。现在数据目录中有一些文件（_1.fnm、_1.frq、...）。这是 solr 打印到日志的内容。

Jul 13, 2011 1:19:45 PM org.apache.solr.core.SolrCore execute
INFO: [] webapp=/solr path=/dataimport params={} status=0 QTime=4
Jul 13, 2011 1:19:48 PM org.apache.solr.core.SolrCore execute
INFO: [] webapp=/solr path=/dataimport params={command=full-import} status=0 QTime=4
Jul 13, 2011 1:19:48 PM org.apache.solr.handler.dataimport.DataImporter doFullImport
INFO: Starting Full Import
Jul 13, 2011 1:19:48 PM org.apache.solr.handler.dataimport.SolrWriter readIndexerProperties
INFO: Read dataimport.properties
Jul 13, 2011 1:19:48 PM org.apache.solr.update.DirectUpdateHandler2 deleteAll
INFO: [] REMOVING ALL DOCUMENTS FROM INDEX
Jul 13, 2011 1:19:48 PM org.apache.solr.core.SolrDeletionPolicy onInit
INFO: SolrDeletionPolicy.onInit: commits:num=1
        commit{dir=/home/ec2-user/public_html/solr/example/solr/data/index,segFN=segments_2,version=1310405039852,generation=2,filenames=[_0.tis, _0.nrm, _0.fnm, _0.tii, _0.frq, segments_2, _0.fdx, _0.fdt]
Jul 13, 2011 1:19:48 PM org.apache.solr.core.SolrDeletionPolicy updateCommits
INFO: newest commit = 1310405039852
Jul 13, 2011 1:19:48 PM org.apache.solr.handler.dataimport.JdbcDataSource$1 call
INFO: Creating a connection for entity gamelydb with URL: jdbc:mysql://www.gamely.us/gamelydb
Jul 13, 2011 1:19:49 PM org.apache.solr.handler.dataimport.JdbcDataSource$1 call
INFO: Time taken for getConnection(): 667
Jul 13, 2011 1:19:49 PM org.apache.solr.handler.dataimport.DocBuilder finish
INFO: Import completed successfully
Jul 13, 2011 1:19:49 PM org.apache.solr.update.DirectUpdateHandler2 commit
INFO: start commit(optimize=true,waitFlush=false,waitSearcher=true,expungeDeletes=false)
Jul 13, 2011 1:19:49 PM org.apache.solr.core.SolrDeletionPolicy onCommit
INFO: SolrDeletionPolicy.onCommit: commits:num=2
        commit{dir=/home/ec2-user/public_html/solr/example/solr/data/index,segFN=segments_2,version=1310405039852,generation=2,filenames=[_0.tis, _0.nrm, _0.fnm, _0.tii, _0.frq, segments_2, _0.fdx, _0.fdt]
        commit{dir=/home/ec2-user/public_html/solr/example/solr/data/index,segFN=segments_3,version=1310405039855,generation=3,filenames=[_1.fdx, _1.tis, _1.frq, _1.fdt, _1.tii, _1.fnm, _1.nrm, segments_3]
Jul 13, 2011 1:19:49 PM org.apache.solr.core.SolrDeletionPolicy updateCommits
INFO: newest commit = 1310405039855
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher <init>
INFO: Opening Searcher@1c4795e main
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming Searcher@1c4795e main from Searcher@1d38b87 main
        fieldValueCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming result for Searcher@1c4795e main
        fieldValueCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming Searcher@1c4795e main from Searcher@1d38b87 main
        filterCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming result for Searcher@1c4795e main
        filterCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming Searcher@1c4795e main from Searcher@1d38b87 main
        queryResultCache{lookups=0,hits=0,hitratio=0.00,inserts=1,evictions=0,size=1,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming result for Searcher@1c4795e main
        queryResultCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming Searcher@1c4795e main from Searcher@1d38b87 main
        documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher warm
INFO: autowarming result for Searcher@1c4795e main
        documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
Jul 13, 2011 1:19:49 PM org.apache.solr.core.QuerySenderListener newSearcher
INFO: QuerySenderListener sending requests to Searcher@1c4795e main
Jul 13, 2011 1:19:49 PM org.apache.solr.core.QuerySenderListener newSearcher
INFO: QuerySenderListener done.
Jul 13, 2011 1:19:49 PM org.apache.solr.update.DirectUpdateHandler2 commit
INFO: end_commit_flush
Jul 13, 2011 1:19:49 PM org.apache.solr.core.SolrCore registerSearcher
INFO: [] Registered new searcher Searcher@1c4795e main
Jul 13, 2011 1:19:49 PM org.apache.solr.search.SolrIndexSearcher close
INFO: Closing Searcher@1d38b87 main
        fieldValueCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
        filterCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
        queryResultCache{lookups=0,hits=0,hitratio=0.00,inserts=1,evictions=0,size=1,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
        documentCache{lookups=0,hits=0,hitratio=0.00,inserts=0,evictions=0,size=0,warmupTime=0,cumulative_lookups=0,cumulative_hits=0,cumulative_hitratio=0.00,cumulative_inserts=0,cumulative_evictions=0}
Jul 13, 2011 1:19:49 PM org.apache.solr.handler.dataimport.SolrWriter readIndexerProperties
INFO: Read dataimport.properties
Jul 13, 2011 1:19:49 PM org.apache.solr.handler.dataimport.SolrWriter persist
INFO: Wrote last indexed time to /home/ec2-user/public_html/solr/example/solr/./conf/dataimport.properties
Jul 13, 2011 1:19:49 PM org.apache.solr.update.processor.LogUpdateProcessor finish
INFO: {deleteByQuery=*:*,add=[9, 10, 11, 12, 13, 14],optimize=} 0 4
Jul 13, 2011 1:19:49 PM org.apache.solr.handler.dataimport.DocBuilder execute
INFO: Time taken = 0:0:1.66

编辑：如果您在这里发现一些可否决的内容，请告诉我，以便我修复它。

Answer 1

我认为问题出在url 参数上。 如果 MySQL 数据库在同一台机器上，则使用url="jdbc:mysql://localhost/mydb" 如果它在 www.mysite.com 上，则使用 url="jdbc:mysql://www.mysite.com/mydb"

此外，您的日志文件可能包含有关错误的更多详细信息 - 请查看日志并在此处发布适当的条目。

Answer 2

我遇到了类似的问题。我的数据库在同一台机器上。 在data-config.xml中，我改了一行：

url="jdbc:mysql://localhost/mydb"

到

url="jdbc:mysql://127.0.0.1/mydb"

然后事情就奏效了。 Solr/Lucene 的方式很奇怪！

Answer 3

您可以尝试执行以下故障排除之一：

• 如果 sqlDB 安装在同一台机器上，请使用 url="jdbc:mysql://localhost:1433/mydb。
• 检查 Tomcat 文件夹是否有错误（Catalina 文件）。
• 启用数据库级别的审核并检查其上的日志。