使用jndi和DataSource建立数据库连接?
运行出现下列异常
NamingException caught in getConnected: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial
java.lang.NullPointerException
at chapter15.ObjectExample1.main(ObjectExample1.java:59)
Exception in main: null
//下面是获得DataSource
InitialContext ctx = new InitialContext( );
DataSource ds = (DataSource) ctx.lookup("objects");
jndi.properties的内容:
java.naming.factory.initial=com.sun.jndi.rmi.registry.RegistryContextFactory
java.provider.url=rmi://localhost:1099
这个jndi.properties应该放在哪里啊