请参考这个文章,
你至少没有配置web.xmlhttp://www.javaresearch.org/article/52437.htm

解决方案 »

  1.   

    大家怎么不会呀,除了SQL驱动包之外还需要别的什么包吗,
    配置文件只改SERVER.XML行吗?
    我看了一个视频只在server.XML中加了以下代码就连上了
    <Context   path="/test"   docBase="E:\Test\WebRoot"     reloadable="true"   > 
                          <Resource   name="jdbc/simpledb2"   auth="Container"   type="Javax.sql.DataSource"/>   
                                <ResourceParams   name="jdbc/simpledb2">   
                                    <parameter>   
                                    <name> factory </name>   
                                        <value> org.apache.commons.dbcp.BasicDataSourceFactory </value>   
                                    </parameter>   
                                    <parameter>   
                                      <name> username </name>   
                                      <value> root </value>   
                                    </parameter>   
                                    <parameter>   
                                      <name> password </name>   
                                      <value> </value>   
                                    </parameter>   
                                    <parameter>   
                                    <name> driverClassName </name>   
                                    <value> com.mysql.jdbc.Driver </value>   
                                    </parameter>   
                                    <parameter>   
                                    <name> url </name>   
                                    <value> jdbc:mysql://localhost:3306/simpledb2 </value>   
                                    </parameter>   
                                    <parameter>   
                                    <name> initialSize </name>   
                                    <value> 20 </value>   
                                    </parameter>   
                                    <parameter>   
                                    <name> maxActive </name>   
                                    <value> 30 </value>   
                                    </parameter>   
                                    <parameter>   
                                          <name> maxWait </name>   
                                        <value> 10000 </value>   
                                    </parameter>   
                            </ResourceParams>   
    </Context>