我在Tomcat中部署里一个系统，数据库连的是sqlserver，可是当我启动Tomcat的时候总是以下错误：
Exception in thread "Timer-0" org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create Po
olableConnectionFactory (Io 异常: The Network Adapter could not establish the connection)
Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Io 异常: The Network Adapter could not establish the connection)
at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:855)
at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:540)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:112)
at org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy.getConnection(TransactionAwareDataSourceProxy.java:108)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:112)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77)
at org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:182)
at org.springframework.orm.ibatis.SqlMapClientTemplate.executeWithListResult(SqlMapClientTemplate.java:219)
at org.springframework.orm.ibatis.SqlMapClientTemplate.queryForList(SqlMapClientTemplate.java:266)
at com.safetys.sqldao.ZhuaQuDao.viewZhuaQuList(ZhuaQuDao.java:40)
at com.safetys.service.AutoCatchTask.run(AutoCatchTask.java:33)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)
Caused by: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:133)
at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:115)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:221)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:293)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:646)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:454)
at oracle.jdbc.driver.PhysicalConnection. <init>(PhysicalConnection.java:493)
at oracle.jdbc.driver.T4CConnection. <init>(T4CConnection.java:198)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:29)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:502)
at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:37)
at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:290)
at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:877)
at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:851)
... 12 more
sp4的补丁已经打过了的
------解决方案--------------------
这个东西不太懂！
------解决方案--------------------
你用的是直连还是桥接啊?