求助！！！！！数据库连接报错

org.hibernate.util.JDBCExceptionReporter - Io 异常: Connection timed out
首先报上面的错，接着数据库操作就报： org.hibernate.util.JDBCExceptionReporter - 关闭的连接我用的数据源配置如下：
<bean id="dataSourceQuery"  
                    class="org.apache.commons.dbcp.BasicDataSource">  
                <property name="driverClassName">  
                        <value>oracle.jdbc.driver.OracleDriver</value>  
                </property>  
                <property name="url">  
                <value>jdbc:oracle:thin:@localhost:test</value>
                </property>  
                <property name="username" value="admin"/>  
                <property name="password" value="111111"/>  
                
                <property name="initialSize" value="20"/>                <property name="maxActive" value="80"/>                  <property name="maxIdle" value="30"/>                  <property name="maxWait" value="2000"/>                  <property name="poolPreparedStatements" value="false"/>
                <property name="logAbandoned" value="true"/> 
                <property name="defaultAutoCommit" value="true" />
                <property name="testWhileIdle" value="true" />  
                <property name="validationQuery" value="select 1 from dual" />
        </bean>   各位高手帮忙看看出现这种错误的原因何在？小第先谢过