连接sqlserver 出现 The Network Adapter could not establish the connection

连接sqlserver出现 The Network Adapter could not establish the connection ,请求帮助我在Tomcat中部署

连接sqlserver 出现 The Network Adapter could not establish the connection ,请求帮助
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

[解决办法]
这个东西不太懂!
[解决办法]
你用的是直连还是桥接啊?