Hibernate的错误:值java.sql.SQLException:没有合适的驱动程序找到了JDBC的:mysql://本地主机:3306 /数据库名称
问题描述:
当我跑我的Hibernate应用程序它显示流动错误:Hibernate的错误:值java.sql.SQLException:没有合适的驱动程序找到了JDBC的:mysql://本地主机:3306 /数据库名称
log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" org.hibernate.exception.JDBCConnectionException: Cannot open connection
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:74)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29)
at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:420)
at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144)
at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:119)
at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:57)
at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326)
at com.jwt.hibernate.SimpleTest.main(SimpleTest.java:23)
Caused by: java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/javawebtutor
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:110)
at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:417)
... 5 more
我想一提的是MySQL服务器的版本是5.5,接口:使用mysql-connector-java的5.1.20-bin.jar ,这是一个名为我的Hibernate应用程序的配置文件:hibernate.cfg.xml中
<!-- language: lang-xml -->
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/javawebtutor</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password">root</property>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<property name="hbm2ddl.auto">create </property>
<mapping resource="com/jwt/hibernate/student.hbm.xml" />
</session-factory>
</hibernate-configuration>
指导我问题在哪里。有关于连接器版本或MySQL版本不匹配的问题?
答
你在用什么IDE?尝试并将其添加到您的classpath中,然后进行部署。 如果它是一个Web应用程序尝试将要WEB-INF/lib
如果是行家的应用程序放在里面片段您pom.xml
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.34</version>
</dependency>
+0
我正在使用Eclipse。 – 2014-12-02 04:35:19
看来,MySQL的连接器罐子是不是在classpath。如果您从IDE运行它,可能是您错误地配置了构建路径。如果你在Tomcat上运行它,请确保你将jar放入WAR文件或Tomcat lib目录 – 2014-12-01 18:10:41
我已经通过点击构建路径配置添加了mysql-connector jar,然后添加jar并添加到lib选项卡中。 – 2014-12-01 18:19:15
用IDE等详细信息更新您的问题,如何运行代码等。 – 2014-12-01 18:21:26