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在我的基于 spring+hibernate 的 Web 应用程序中，我最近从 tomcat-dbcp 转移到了 tomcat-jdbc 连接池。之后，我面临连接问题。这是我的设置：

JNDI.xml：

<entry key="datasource">
                <bean class="org.apache.tomcat.jdbc.pool.DataSource" destroy-method="close" singleton="false">
                    <property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"></property>
                    <property name="url" value="jdbc:sqlserver://localhost:1433;DatabaseName=TESTDB"></property>
                    <property name="username" value="testuser"></property>
                    <property name="password" value="testpwd"></property>
                </bean>
            </entry>

前面的数据源是 tomcat-dbcp。

应用程序上下文.xml：

<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
    <property name="jndiName" value="dataSource" />
</bean>

获取数据源属性的代码：

org.apache.tomcat.jdbc.pool.DataSource basicDataSource = (org.apache.tomcat.jdbc.pool.DataSource) context.lookup("datasource");
String password = basicDataSource.getPassword();
log.debug("jndi data source pwd::"+password);

当我尝试在 Eclipse 中以调试模式查看密码时 - 它显示为

Password not available as DataSource/JMX operation.

在应用程序启动时，它会尝试使用此信息登录数据库并获取一些详细信息。那时我在日志中看到以下错误：

12142 [main] INFO org.hibernate.connection.ConnectionProviderFactory - Initializing connection provider: org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider
13269 [main] WARN org.hibernate.util.JDBCExceptionReporter - SQL Error: 18456, SQLState: S0001
13269 [main] ERROR org.hibernate.util.JDBCExceptionReporter - Login failed for user 'testuser'.
13269 [main] WARN org.hibernate.cfg.SettingsFactory - Could not obtain connection to query metadata
com.microsoft.sqlserver.jdbc.SQLServerException: Login failed for user 'testuser'.
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:197)
at com.microsoft.sqlserver.jdbc.TDSTokenHandler.onEOF(tdsparser.java:246)
at com.microsoft.sqlserver.jdbc.TDSParser.parse(tdsparser.java:83)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.sendLogon(SQLServerConnection.java:2529)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(SQLServerConnection.java:1905)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.access$000(SQLServerConnection.java:41)
at com.microsoft.sqlserver.jdbc.SQLServerConnection$LogonCommand.doExecute(SQLServerConnection.java:1893)
at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:4874)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:1400)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1045)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:817)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:700)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:842)
at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:267)
at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:176)
at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:655)
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:597)
at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:460)
at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:130)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:112)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:99)
at org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:123)
at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:111)
at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2119)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2115)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1339)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newSessionFactory(LocalSessionFactoryBean.java:855)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:774)
at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1460)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1398)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:512)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:450)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:189)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:540)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:842)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:416)
at org.apache.xbean.spring.context.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:161)
at org.apache.xbean.spring.context.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:51)

SQL Server 日志说：

2014-05-16 16:53:16.44 Logon       Error: 18456, Severity: 14, State: 8.
2014-05-16 16:53:16.44 Logon       Login failed for user 'testuser'. Reason: Password did not match that for the login provided. [CLIENT: 10.1.10.21]

当我有 tomcat-dbcp 时，一切都运行良好。用户 ID 和密码有效，我可以使用这些凭据连接到数据库。这个问题似乎是由tomcat-jdbc 触发的。

我是否缺少任何配置？我不确定这里出了什么问题，并且无法继续进行调试。任何指示都会有所帮助！

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