为什么会出现这个调试错误。

[wuaping]

请大家帮忙。

C:\JBuilder6\jdk1.3.1\bin\javaw -classpath "D:\wuejbtest\examples\classes;C:\bea\wlserver6.1\lib\weblogic_sp.jar;C:\bea\wlserver6.1\lib\weblogic.jar;C:\JBuilder6\jdk1.3.1\demo\jfc\Java2D\Java2Demo.jar;C:\JBuilder6\jdk1.3.1\jre\lib\i18n.jar;C:\JBuilder6\jdk1.3.1\jre\lib\jaws.jar;C:\JBuilder6\jdk1.3.1\jre\lib\rt.jar;C:\JBuilder6\jdk1.3.1\jre\lib\sunrsasign.jar;C:\JBuilder6\jdk1.3.1\lib\dt.jar;C:\JBuilder6\jdk1.3.1\lib\htmlconverter.jar;C:\JBuilder6\jdk1.3.1\lib\tools.jar;C:\JBuilder6\lib\classes12.zip;C:\bea\wlserver6.1\lib\ejb20.jar;C:\JBuilder6" examples.HelloClient
错误为：

javax.naming.NoInitialContextException: 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 at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:643) at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:246) at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:283) at javax.naming.InitialContext.lookup(InitialContext.java:350) at examples.HelloClient.main(HelloClient.java:35)Exception in thread "main"