<Resource   name="jdbc/_AppBase2"     
                      auth="Container" type="javax.sql.DataSource"   
                      factory="org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory"
                      driverClassName="com.microsoft.jdbc.sqlserver.SQLServerDriver"   
                      url="jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=_AppBase2;SelectMethod=Cursor;"   
                      username="Public_User"   password="12345"   
                      maxActive="150"   maxIdle="30"   maxWait="10000"   />

------解决方案--------------------
[code=Java][/code]
<Resource name="jdbc/blog" auth="Container"
             type="javax.sql.DataSource" driverClassName="oracle.jdbc.OracleDriver"
             url="jdbc:oracle:thin:@ldns-train:1521:DRS"
             username="drs3" password="drs3.sjns" maxActive="20" maxIdle="10"
             maxWait="-1"/>