org.hibernate.service.classloading.spi.ClassLoadingException: Specified JDBC Driver com.mysql.jdbc.Driver class not found

<span style="color: #008080;"> 1</span> org.hibernate.service.classloading.spi.ClassLoadingException: Specified JDBC Driver com.mysql.jdbc.Driver <span style="color: #0000ff;">class</span><span style="color: #000000;"> not found
</span><span style="color: #008080;"> 2</span>     at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:107<span style="color: #000000;">)
</span><span style="color: #008080;"> 3</span>     at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:75<span style="color: #000000;">)
</span><span style="color: #008080;"> 4</span>     at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:159<span style="color: #000000;">)
</span><span style="color: #008080;"> 5</span>     at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131<span style="color: #000000;">)
</span><span style="color: #008080;"> 6</span>     at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.buildJdbcConnectionAccess(JdbcServicesImpl.java:223<span style="color: #000000;">)
</span><span style="color: #008080;"> 7</span>     at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:89<span style="color: #000000;">)
</span><span style="color: #008080;"> 8</span>     at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:75<span style="color: #000000;">)
</span><span style="color: #008080;"> 9</span>     at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:159<span style="color: #000000;">)
</span><span style="color: #008080;">10</span>     at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131<span style="color: #000000;">)
</span><span style="color: #008080;">11</span>     at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:71<span style="color: #000000;">)
</span><span style="color: #008080;">12</span>     at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2277<span style="color: #000000;">)
</span><span style="color: #008080;">13</span>     at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2273<span style="color: #000000;">)
</span><span style="color: #008080;">14</span>     at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1742<span style="color: #000000;">)
</span><span style="color: #008080;">15</span>     at com.hibtest.entity.TestUsers.testShemaExport(TestUsers.java:23<span style="color: #000000;">)
</span><span style="color: #008080;">16</span> <span style="color: #000000;">    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
</span><span style="color: #008080;">17</span>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39<span style="color: #000000;">)
</span><span style="color: #008080;">18</span>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25<span style="color: #000000;">)
</span><span style="color: #008080;">19</span>     at java.lang.reflect.Method.invoke(Method.java:597<span style="color: #000000;">)
</span><span style="color: #008080;">20</span>     at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45<span style="color: #000000;">)
</span><span style="color: #008080;">21</span>     at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15<span style="color: #000000;">)
</span><span style="color: #008080;">22</span>     at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42<span style="color: #000000;">)
</span><span style="color: #008080;">23</span>     at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20<span style="color: #000000;">)
</span><span style="color: #008080;">24</span>     at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263<span style="color: #000000;">)
</span><span style="color: #008080;">25</span>     at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68<span style="color: #000000;">)
</span><span style="color: #008080;">26</span>     at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47<span style="color: #000000;">)
</span><span style="color: #008080;">27</span>     at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231<span style="color: #000000;">)
</span><span style="color: #008080;">28</span>     at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60<span style="color: #000000;">)
</span><span style="color: #008080;">29</span>     at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229<span style="color: #000000;">)
</span><span style="color: #008080;">30</span>     at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50<span style="color: #000000;">)
</span><span style="color: #008080;">31</span>     at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222<span style="color: #000000;">)
</span><span style="color: #008080;">32</span>     at org.junit.runners.ParentRunner.run(ParentRunner.java:300<span style="color: #000000;">)
</span><span style="color: #008080;">33</span>     at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50<span style="color: #000000;">)
</span><span style="color: #008080;">34</span>     at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38<span style="color: #000000;">)
</span><span style="color: #008080;">35</span>     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467<span style="color: #000000;">)
</span><span style="color: #008080;">36</span>     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683<span style="color: #000000;">)
</span><span style="color: #008080;">37</span>     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390<span style="color: #000000;">)
</span><span style="color: #008080;">38</span>     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197<span style="color: #000000;">)
</span><span style="color: #008080;">39</span> Caused by: org.hibernate.service.classloading.spi.ClassLoadingException: Unable to load <span style="color: #0000ff;">class</span><span style="color: #000000;"> [com.mysql.jdbc.Driver]
</span><span style="color: #008080;">40</span>     at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:141<span style="color: #000000;">)
</span><span style="color: #008080;">41</span>     at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:104<span style="color: #000000;">)
</span><span style="color: #008080;">42</span>     ... 36<span style="color: #000000;"> more
</span><span style="color: #008080;">43</span> Caused by: java.lang.ClassNotFoundException: Could not load requested <span style="color: #0000ff;">class</span><span style="color: #000000;"> : com.mysql.jdbc.Driver
</span><span style="color: #008080;">44</span>     at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl$1.findClass(ClassLoaderServiceImpl.java:99<span style="color: #000000;">)
</span><span style="color: #008080;">45</span>     at java.lang.ClassLoader.loadClass(ClassLoader.java:306<span style="color: #000000;">)
</span><span style="color: #008080;">46</span>     at java.lang.ClassLoader.loadClass(ClassLoader.java:247<span style="color: #000000;">)
</span><span style="color: #008080;">47</span> <span style="color: #000000;">    at java.lang.Class.forName0(Native Method)
</span><span style="color: #008080;">48</span>     at java.lang.Class.forName(Class.java:247<span style="color: #000000;">)
</span><span style="color: #008080;">49</span>     at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:138<span style="color: #000000;">)
</span><span style="color: #008080;">50</span>     ... 37 more

1， 我的jar包有：

2， 之前使用的数据库连接驱动包是：

3， 总结：

　　　　总之遇到这种问题一般都是导入的数据库连接jar包存在问题导致的，可能版本或者其它什么原因。因此解决方案就是可以换其它版本的jar包试试。

org.hibernate.service.classloading.spi.ClassLoadingException: Specified JDBC Driver com.mysql.jdbc.Driver class not found

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