<Resource name="beingo" auth="Container" type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/EmployeeAppDb">
<parameter><name>username</name><value>sa</value></parameter>
<parameter><name>password</name><value>dex1975</value></parameter>
<parameter><name>driverClassName</name>
<value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value></parameter>
<parameter><name>url</name>
<value>jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=e_credit</value></parameter>
</ResourceParams>
Object obj = (Object) ctx.lookup("/beingo");
改为
<Resource name="jdbc/beingo" auth="Container"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/beingo">
<parameter><name>username</name><value>sa</value></parameter>
<parameter><name>password</name><value>dex1975</value></parameter>
<parameter><name>driverClassName</name>
<value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value></parameter>
<parameter><name>url</name>
<value>jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=e_credit</value></parameter>
</ResourceParams>
Object obj = (Object) ctx.lookup("jdbc/beingo");