Java 试图将数据库连接从MySQL更改为Oracle，但出现错误

我正在使用oracle 12作为SQL开发人员。 以前，当我仍然连接MySQL时，一切都很好。然后我被告知改为使用Oracle，结果是这样的

Jan 24, 2020 11:07:53 AM org.hibernate.util.JDBCExceptionReporter logExceptions
WARNING: SQL Error: 17002, SQLState: 08006
Jan 24, 2020 11:07:53 AM org.hibernate.util.JDBCExceptionReporter logExceptions
SEVERE: IO Error: The Network Adapter could not establish the connection
Jan 24, 2020 11:07:53 AM org.hibernate.cfg.SettingsFactory buildSettings
WARNING: Could not obtain connection metadata
java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
    at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:743)
    at oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:662)
    at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
    at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:560)
    at java.sql.DriverManager.getConnection(DriverManager.java:571)
    at java.sql.DriverManager.getConnection(DriverManager.java:187)
    at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriverManager(DriverManagerDataSource.java:174)
    at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:165)
    at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnectionFromDriver(AbstractDriverBasedDataSource.java:149)
    at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnection(AbstractDriverBasedDataSource.java:119)
    at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:82)
    at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:84)
    at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2009)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1292)
    at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newSessionFactory(LocalSessionFactoryBean.java:814)
    at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:732)
    at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1369)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:423)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
    at com.jalin.common.App.main(App.java:22)
Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connection
    at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:470)
    at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:506)
    at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:595)
    at oracle.net.ns.NSProtocol.connect(NSProtocol.java:230)
    at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1452)
    at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:496)
    ... 33 more
Caused by: java.net.ConnectException: Connection refused: connect
    at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.Socket.connect(Socket.java:579)
    at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:161)
    at oracle.net.nt.ConnOption.connect(ConnOption.java:159)
    at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:428)
    ... 38 more

Jan 24, 2020 11:07:53 AM org.springframework.beans.factory.support.DefaultSingletonBeanRegistry destroySingletons
INFO: Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@47f15427: defining beans [org.springframework.beans.factory.config.PropertyPlaceholderConfigurer#0,dataSource,sessionFactory,bankBo,bankDao]; root of factory hierarchy
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [spring/database/Hibernate.xml]: Invocation of init method failed; nested exception is org.hibernate.HibernateException: Dialect class not found: org.hibernate.dialect.Oracle10gDialect
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:423)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
    at com.jalin.common.App.main(App.java:22)
Caused by: org.hibernate.HibernateException: Dialect class not found: org.hibernate.dialect.Oracle10gDialect
    at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:81)
    at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:42)
    at org.hibernate.cfg.SettingsFactory.determineDialect(SettingsFactory.java:422)
    at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:128)
    at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2009)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1292)
    at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newSessionFactory(LocalSessionFactoryBean.java:814)
    at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:732)
    at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1369)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)
    ... 15 more

2020年1月24日上午11:07:53 org.hibernate.util.jdbceptionReporter日志异常
警告：SQL错误：17002，SQLState:08006
2020年1月24日上午11:07:53 org.hibernate.util.jdbceptionReporter日志异常
严重：IO错误：网络适配器无法建立连接
2020年1月24日上午11:07:53 org.hibernate.cfg.settings工厂构建设置
警告：无法获取连接元数据
java.sql.SQLRecoverableException:IO错误：网络适配器无法建立连接
位于oracle.jdbc.driver.T4CConnection.logon（T4CConnection.java:743）
位于oracle.jdbc.driver.PhysicalConnection.connect（PhysicalConnection.java:662）
位于oracle.jdbc.driver.T4CDriverExtension.getConnection（T4CDriverExtension.java:32）
位于oracle.jdbc.driver.OracleDriver.connect（OracleDriver.java:560）
位于java.sql.DriverManager.getConnection（DriverManager.java:571）
位于java.sql.DriverManager.getConnection（DriverManager.java:187）
位于org.springframework.jdbc.datasource.DriverManager数据源.getConnectionFromDriverManager（DriverManager数据源.java:174）
位于org.springframework.jdbc.datasource.driverManager数据源.getConnectionFromDriver（driverManager数据源.java:165）
位于org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnectionFromDriver（AbstractDriverBasedDataSource.java:149）
位于org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnection（AbstractDriverBasedDataSource.java:119）
位于org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection（LocalDataSourceConnectionProvider.java:82）
位于org.hibernate.cfg.SettingsFactory.buildSettings（SettingsFactory.java:84）
位于org.hibernate.cfg.Configuration.buildSettings（Configuration.java:2009）
位于org.hibernate.cfg.Configuration.buildSessionFactory（Configuration.java:1292）
位于org.springframework.orm.hibernate3.LocalSessionFactoryBean.newSessionFactory（LocalSessionFactoryBean.java:814）
位于org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory（LocalSessionFactoryBean.java:732）
位于org.springframework.orm.hibernate3.AbstractSessionFactoryBean.AfterPropertieSet（AbstractSessionFactoryBean.java:211）
位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods（AbstractAutowireCapableBeanFactory.java:1369）
位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean（AbstractAutowireCapableBeanFactory.java:1335）
位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:473）
位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run（AbstractAutowireCapableBeanFactory.java:409）
位于java.security.AccessController.doPrivileged（本机方法）
位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:380）
位于org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject（AbstractBeanFactory.java:264）
位于org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:222）
位于org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:261）
位于org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:185）
位于org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:164）
位于org.springframework.beans.factory.support.DefaultListableBeanFactory.PreInstanceSingleton（DefaultListableBeanFactory.java:423）
位于org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:728）
位于org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:380）
位于org.springframework.context.support.ClassPathXmlApplicationContext。（ClassPathXmlApplicationContext.java:139）
位于org.springframework.context.support.ClassPathXmlApplicationContext。（ClassPathXmlApplicationContext.java:83）
位于com.jalin.common.App.main（App.java:22）
原因：oracle.net.ns.NetException:网络适配器无法建立连接
在oracle.net.nt.connstategy.execute（connstategy.java:470）
位于oracle.net.resolver.AddrResolution.resolveAndExecute（AddrResolution.java:506）
位于oracle.net.ns.NSProtocol.buildConnection（NSProtocol.java:595）
位于oracle.net.ns.NSProtocol.connect（NSProtocol.java:230）
位于oracle.jdbc.driver.T4CConnection.connect（T4CConnection.java:1452）
位于oracle.jdbc.driver.T4CConnection.logon（T4CConnection.java:496）
... 33多
原因：java.net.ConnectException:连接被拒绝：连接
位于java.net.DualStackPlainSocketImpl.waitForConnect（本机方法）
位于java.net.DualStackPlainSocketImpl.socketConnect（DualStackPlainSocketImpl.java:85）
位于java.net.AbstractPlainSocketImpl.doConnect（AbstractPlainSocketImpl.java:339）
位于java.net.AbstractPlainSocketImpl.connectToAddress（AbstractPlainSocketImpl.java:200）
位于java.net.AbstractPlainSocketImpl.connect（AbstractPlainSocketImpl.java:182）
位于java.net.PlainSocketImpl.connect（PlainSocketImpl.java:172）
位于java.net.socksocketimpl.connect（socksocketimpl.java:392）
位于java.net.Socket.connect（Socket.java:579）
位于oracle.net.nt.TcpNTAdapter.connect（TcpNTAdapter.java:161）
位于oracle.net.nt.connpoption.connect（connpoption.java:159）
在oracle.net.nt.connstategy.execute（connstategy.java:428）
... 38多
2020年1月24日上午11:07:53 org.springframework.beans.factory.support.DefaultSingletonBean注册销毁Singleton
信息：
<!-- MySQL database driver -->
        <!-- <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.9</version>
        </dependency> -->

        <!-- Hibernate framework -->
        <dependency>
            <groupId>hibernate</groupId>
            <artifactId>hibernate3</artifactId>
            <version>3.2.3</version>
        </dependency> 

        <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc6</artifactId>
            <version>11.2.0</version>
            <scope>system</scope>
            <systemPath>C:/OJDBC/ojdbc6.jar</systemPath>
        </dependency>

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">

    <!-- Hibernate session factory -->
    <bean id="sessionFactory"
          class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

        <property name="dataSource">
            <ref bean="dataSource"/>
        </property>

        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</prop>
                <prop key="hibernate.show_sql">true</prop>

            </props>
        </property>

        <property name="mappingResources">
            <list>
                <value>/hibernate/Bank.hbm.xml</value>
            </list>
        </property>

    </bean>
</beans>