# Solr 4.10 DIH 数据库驱动错误

**URL:** <https://www.isharkfly.com/t/solr-4-10-dih/674>\
**Category:** 查询检索\
**Tags:** solr\
**Created:** [November 11, 2020, 3:30pm UTC](https://www.isharkfly.com/t/solr-4-10-dih/674 "2020-11-11T15:30:29Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![honeymoose](https://www.isharkfly.com/user_avatar/www.isharkfly.com/honeymoose/32/20796_2.png) [@honeymoose](https://www.isharkfly.com/u/honeymoose)\
**Post date:** [November 11, 2020, 3:30pm UTC](https://www.isharkfly.com/t/solr-4-10-dih/674/1 "2020-11-11T15:30:29Z")

</div>

在 DIH 导入的时候出现数据库驱动没有找到的错误。

Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

错误堆栈信息如下：

```auto
Full Import failed:java.lang.RuntimeException: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException: Could not load driver: com.mysql.jdbc.Driver Processing Document # 1
        at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:271)
        at org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:416)
        at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:480)
        at org.apache.solr.handler.dataimport.DataImporter$1.run(DataImporter.java:461)
Caused by: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException: Could not load driver: com.mysql.jdbc.Driver Processing Document # 1
        at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:417)
        at org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:330)
        at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:232)
        ... 3 more
Caused by: org.apache.solr.handler.dataimport.DataImportHandlerException: Could not load driver: com.mysql.jdbc.Driver Processing Document # 1
        at org.apache.solr.handler.dataimport.DataImportHandlerException.wrapAndThrow(DataImportHandlerException.java:71)
        at org.apache.solr.handler.dataimport.JdbcDataSource.createConnectionFactory(JdbcDataSource.java:120)
        at org.apache.solr.handler.dataimport.JdbcDataSource.init(JdbcDataSource.java:68)
        at org.apache.solr.handler.dataimport.DataImporter.getDataSourceInstance(DataImporter.java:389)
        at org.apache.solr.handler.dataimport.ContextImpl.getDataSource(ContextImpl.java:101)
        at org.apache.solr.handler.dataimport.SqlEntityProcessor.init(SqlEntityProcessor.java:53)
        at org.apache.solr.handler.dataimport.EntityProcessorWrapper.init(EntityProcessorWrapper.java:74)
        at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:434)
        at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:415)
        ... 5 more
Caused by: java.lang.ClassNotFoundException: Unable to load com.mysql.jdbc.Driver or org.apache.solr.handler.dataimport.com.mysql.jdbc.Driver
        at org.apache.solr.handler.dataimport.DocBuilder.loadClass(DocBuilder.java:920)
        at org.apache.solr.handler.dataimport.JdbcDataSource.createConnectionFactory(JdbcDataSource.java:118)
        ... 12 more
Caused by: org.apache.solr.common.SolrException: Error loading class 'com.mysql.jdbc.Driver'
        at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:490)
        at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:421)
        at org.apache.solr.handler.dataimport.DocBuilder.loadClass(DocBuilder.java:910)
        ... 13 more
Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
        at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:789)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:274)
        at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:474)
        ... 15 more

```

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