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NamingException異常是什么情況？

[DEBUG] 2016-11-17 02:11:27 - JNDI lookup for name [jdbc.username] threw NamingException with message: Name [jdbc.username] is not bound in this Context. Unable to find [jdbc.username].. Returning null.

[DEBUG] 2016-11-17 02:11:27 - JNDI lookup for name [jdbc.password] threw NamingException with message: Name [jdbc.password] is not bound in this Context. Unable to find [jdbc.password].. Returning null.

qq_米開朗基羅_0

2016-11-17

源自：基于SSH實(shí)現(xiàn)員工管理系統(tǒng)之框架整合篇 5-2

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須木一瓜
2016-11-25

你有沒有配置正確 jdbc.properties,或者路徑?jīng)]找到

jdbc.properties

jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/ssh
jdbc.username=root
jdbc.password=root

<!--?引入外部的屬性文件?-->
????<context:property-placeholder?location="classpath:jdbc.properties"/>
????
????<!--?配置c3p0?連接池?-->
????<bean?id="dataSource"?class="com.mchange.v2.c3p0.ComboPooledDataSource">????????
????????<property?name="driverClass"?value="${jdbc.driverClass}"/>????????
????????<property?name="jdbcUrl"?value="${jdbc.url}"/>????????
????????<property?name="user"?value="${jdbc.username}"/>????????
????????<property?name="password"?value="${jdbc.password}"/>????????
????</bean>