错误＆QUOT; AsyncTask的＆QUOT; [英] Error "Asynctask"
问题描述
我在做这个程序有它使用户登录活动，程序check's对数据库的信息，然后向用户发送到仪表盘屏幕。它一直致力于完美，但现在我得到一些奇怪的错误，我根本看不出来哪里他们来自哪里。
I'm making this app that has an activity that enables user to log in, the program check´s the information against a database and then sends the user to the dashboard screen. It has been working perfectly but now I'm getting some strange errors that i can't make out where they're coming from.
这里的logcat的：
Here's the logcat:
01-18 14:54:22.160: E/AndroidRuntime(2621): FATAL EXCEPTION: AsyncTask #5
01-18 14:54:22.160: E/AndroidRuntime(2621): java.lang.RuntimeException: An error occured while executing doInBackground()
01-18 14:54:22.160: E/AndroidRuntime(2621): at android.os.AsyncTask$3.done(AsyncTask.java:299)
01-18 14:54:22.160: E/AndroidRuntime(2621): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
01-18 14:54:22.160: E/AndroidRuntime(2621): at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
01-18 14:54:22.160: E/AndroidRuntime(2621): at java.util.concurrent.FutureTask.run(FutureTask.java:239)
01-18 14:54:22.160: E/AndroidRuntime(2621): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
01-18 14:54:22.160: E/AndroidRuntime(2621): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
01-18 14:54:22.160: E/AndroidRuntime(2621): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
01-18 14:54:22.160: E/AndroidRuntime(2621): at java.lang.Thread.run(Thread.java:856)
01-18 14:54:22.160: E/AndroidRuntime(2621): Caused by: java.lang.IllegalStateException: Target host must not be null, or set in parameters. scheme=null, host=null, path=192.168.0.2/android_login/
01-18 14:54:22.160: E/AndroidRuntime(2621): at org.apache.http.impl.client.DefaultRequestDirector.determineRoute(DefaultRequestDirector.java:591)
01-18 14:54:22.160: E/AndroidRuntime(2621): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:293)
01-18 14:54:22.160: E/AndroidRuntime(2621): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
01-18 14:54:22.160: E/AndroidRuntime(2621): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
01-18 14:54:22.160: E/AndroidRuntime(2621): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
01-18 14:54:22.160: E/AndroidRuntime(2621): at com.example.androidbasic12.library.JSONParser.getJSONFromUrl(JSONParser.java:42)
01-18 14:54:22.160: E/AndroidRuntime(2621): at com.example.androidbasic12.library.UserFunctions.loginUser(UserFunctions.java:40)
01-18 14:54:22.160: E/AndroidRuntime(2621): at com.example.androidbasic12.MainActivity$LoginTask.doInBackground(MainActivity.java:78)
01-18 14:54:22.160: E/AndroidRuntime(2621): at com.example.androidbasic12.MainActivity$LoginTask.doInBackground(MainActivity.java:1)
01-18 14:54:22.160: E/AndroidRuntime(2621): at android.os.AsyncTask$2.call(AsyncTask.java:287)
01-18 14:54:22.160: E/AndroidRuntime(2621): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
01-18 14:54:22.160: E/AndroidRuntime(2621): ... 4 more
任何人都可以本身的问题是什么吗？
Anyone that can se what the problem is here?
推荐答案
在日志中：
IllegalStateException异常：目标主机不能为空，或设置
参数
IllegalStateException: Target host must not be null, or set in parameters
说明你还没有加入的协议（HTTP或HTTPS）的URL。尝试后更改网址为：
means you have not added a protocol(http or https) to the URL. try after to change URL as :
String yoururl="http://xxx.xxx.x.x";
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