根据以下网址，我创建了一个用于调用restfull webservice（.Net）的requesthelper。 http://as400samplecode.blogspot.com/2011/09/android-asynctask-httpclient-with.html
每次我从Android设备调用它都会出错。在stackoverflow的一个主题中，我建议在URL的末尾添加“/”字符。您可以找到我的网址格式和给出的错误，如下所示。
http://domain.com/default.svc/start/4ef8e420-e6a2-49f5-b612-c0b2dced0920/
在网络浏览器中返回“未找到结束点”。 来自Android日志：
10-03 18:02:07.373: WARN/HTTP1:(3983): Not Found
10-03 18:02:07.383: WARN/HTTP3:(3983): java.io.IOException: Not Found
10-03 18:02:07.383: WARN/HTTP3:(3983): at requestHelper.doInBackground(requestHelper.java:84)
10-03 18:02:07.383: WARN/HTTP3:(3983): at requestHelper.doInBackground(requestHelper.java:1)
10-03 18:02:07.383: WARN/HTTP3:(3983): at android.os.AsyncTask$2.call(AsyncTask.java:185)
10-03 18:02:07.383: WARN/HTTP3:(3983): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
10-03 18:02:07.383: WARN/HTTP3:(3983): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
10-03 18:02:07.383: WARN/HTTP3:(3983): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068)
10-03 18:02:07.383: WARN/HTTP3:(3983): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561)
10-03 18:02:07.383: WARN/HTTP3:(3983): at java.lang.Thread.run(Thread.java:1096)
http://domain.com/default.svc/start/4ef8e420-e6a2-49f5-b612-c0b2dced0920
在Web浏览器中，它根据需要返回JSONObject。 来自Android日志：
10-03 18:03:41.683: WARN/HTTP1:(4023): Method Not Allowed
10-03 18:03:41.683: WARN/HTTP3:(4023): java.io.IOException: Method Not Allowed
10-03 18:03:41.683: WARN/HTTP3:(4023): at requestHelper.doInBackground(requestHelper.java:84)
10-03 18:03:41.683: WARN/HTTP3:(4023): at requestHelper.doInBackground(requestHelper.java:1)
10-03 18:03:41.683: WARN/HTTP3:(4023): at android.os.AsyncTask$2.call(AsyncTask.java:185)
10-03 18:03:41.683: WARN/HTTP3:(4023): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
10-03 18:03:41.683: WARN/HTTP3:(4023): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
10-03 18:03:41.683: WARN/HTTP3:(4023): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068)
10-03 18:03:41.683: WARN/HTTP3:(4023): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561)
10-03 18:03:41.683: WARN/HTTP3:(4023): at java.lang.Thread.run(Thread.java:1096)