org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot load JDBC driver class 'oracle.jdbc.driver.OracleDriver' at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1136) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) at com.te...
tomcat启动后报错Bad version number in .class file (unable to load class oracle.jdbc.OracleDriver) 对于tomcat启动后报错: 错误原因:tomcat使用的jdk和eclipce的编译用的jdk版本不同。 解决办法: 1、首先确定tomcat的jdk版本: 2、点开tomcat查看jdk版本。 使用的是jdk1.8 3、然后再查看java下的jdk 保证编译环...
tomcat启动后报错Bad version number in .class file (unable to load class oracle.jdbc.OracleDriver) 对于tomcat启动后报错: 错误原因:tomcat使用的jdk和eclipce的编译用的jdk版本不同。 解决办法: 1、首先确定tomcat的jdk版本: 2、点开tomcat查看jdk版本。 使用的是jdk1.8 3、然后再查看java下的jdk 保证编译环...
java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver 这里报的是空指针异常，跟你jdbc驱动包有关。你看下有没有加jdbc驱动包，例如：classes12.jar或ojdbc4.jar
Cannot load JDBC driver class 'oracle.jdbc.driver.OracleDriver' 2017-01-09 10:53 −出现这个问题,说明oracle的驱动包没有成功加载。 1、检查maven pom.xml有没有引入驱动: <dependency> &nbs... Sam168666 0 40721 Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNested...
sql.SQLException: Cannot load JDBC driver class 'null ' SQL state: null Note that the auto-loading of drivers having the META-INF/service/java.sql.Driver class in JDBC 4.0 and later causes an improper undeployment of the Connector/J driver in Tomcat on Windows. Namely, the Connector/J jar...
driverClassName="oracle.jdbc.driver.OracleDriver" url="jdbc:oracle:thin:@localhost:1521:orcl" username="hr" password="oracle" maxActive="100" maxIdle="20" minIdle="5" maxWait="10000"/> And when we restart the server and run the application, it will connect to Oracle database and produce...
driverClassName- Fully qualified Java class name of the JDBC driver to be used. username- Database username to be passed to our JDBC driver. password- Database password to be passed to our JDBC driver. url- Connection URL to be passed to our JDBC driver. (For backwards compatibility, the...
会变成 .class 文件,类加载器加载的,实际上就是.class文件, 在实际开发中,我们会把相关的 .class ...
最近客户上了一套oracle 11g rac,版本11.2.0.4,操作系统使用rhel 6.4 ,今天测试了一下failover功能。由于没有DNS服务器,使用VIP进行客户端failover,tnsnames.ora配置如下: ORCL = (DESCRIPTION = (ADDRESS_LIST = (LOAD_BALANCE = yes) (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.3.23)(PORT = 1521)) ...