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我试着从本教程复制运行代码
http://www.developer.nokia.com/Community/Wiki/How_to_use_Http_POST_request_in_Java_MEJ2ME - MIDP。获取与POST请求错误(HTTP操作40错误)服务器
但是当我运行它,我在源代码行获得异常
dis = new DataInputStream(hc.openInputStream());
java.io.IOException: 40-Error in HTTP operation
at com.sun.midp.io.j2me.http.Protocol.checkForException(+51)
at com.sun.midp.io.j2me.http.Protocol.readResponseMessage_wap(+38)
at com.sun.midp.io.j2me.http.Protocol.connect_wap(+649)
at com.sun.midp.io.j2me.http.Protocol.connect(+107)
at com.sun.midp.io.j2me.http.Protocol$PrivateOutputStream.flush(+39)
at java.io.DataOutputStream.flush(DataOutputStream.java:106)
at com.orionsource.onlinenards.api.API.sendPostRequest(API.java:221)
at com.orionsource.onlinenards.api.API.helloApiWithParams(API.java:259)
at com.orionsource.onlinenards.OnLineNards.startApp(OnLineNards.java:33)
at javax.microedition.midlet.MIDletProxy.startApp(+7)
如何解决此问题?
有可能连接不正确。你可以打印hc.gerResponseCode()? – frayab
不,我不能。现在,我尝试getResponseCode()调用时得到这个异常。 –
我不知道是否40-是指40x http代码。您链接的示例使用“http:// localhost”作为服务器。您是在运行本地服务器还是您更改了URL? –