[j2me Q&A]WTK初始化WMAClient报错"XXX has no IP address"的解释
2007-12-17 10:45
387 查看
[现象]
当通过WTK运行一个J2ME程序时,KToolbar显示这样的错误:错误形态一 |
WMAClient: localhost has no IP address: java.net.UnknownHostException: xxxx: xxxx Warning: Failed to initialize WMA message routing support ClientConnector: localhost has no IP address: java.net.UnknownHostException: xxxx: xxxx Warning: Failed to initialize Bluetooth (JSR 82) support |
或者看到
错误形态二 |
Running with storage root DefaultColorPhone WMAClient: localhost has no IP address: java.net.UnknownHostException: 梅花 Warning: Failed to initialize WMA message routing support ClientConnector: localhost has no IP address: java.net.UnknownHostException: 梅花 |
[原因]
如果你第一次运行WTK之后,就改变了本机的IP地址,那么可能会导致WTK误认为你没有IP地址。或者你需要检查是否有网卡。[解决]
把你的IP地址改回第一次运行WTK时的那个。或装一个网卡。
[详细解释]
可能WTK初始化WMAClient和ClientConnector时,必须先运行InetAddress.getLocalHost()来寻找localhost的IP地址。但是你看
http://www.vf.utwente.nl/~vriesajk/j2me/java/net/InetAddress.html#getLocalHost()
它说了
“Throws:
UnknownHostException- if no IP address for the
hostcould be found.
”
所以,如果它没有能够找到IP地址的话,它就报告“localhost has no IP address”。
或将机器名改为英文名称。
或者检查你的机器名,不能为中文。
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