時出錯,executin doinBackground(),請幫助............ 這是我的代碼發生:Anerror在執行doinbackground
11-05 05:03:20.171: E/AndroidRuntime(3171): FATAL EXCEPTION: AsyncTask #1
11-05 05:03:20.171: E/AndroidRuntime(3171): Process: com.example.mysqltest, PID: 3171
11-05 05:03:20.171: E/AndroidRuntime(3171): java.lang.RuntimeException: An error occured while executing doInBackground()
11-05 05:03:20.171: E/AndroidRuntime(3171): at android.os.AsyncTask$3.done(AsyncTask.java:300)
11-05 05:03:20.171: E/AndroidRuntime(3171): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
11-05 05:03:20.171: E/AndroidRuntime(3171): at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
11-05 05:03:20.171: E/AndroidRuntime(3171): at java.util.concurrent.FutureTask.run(FutureTask.java:242)
11-05 05:03:20.171: E/AndroidRuntime(3171): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
11-05 05:03:20.171: E/AndroidRuntime(3171): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
11-05 05:03:20.171: E/AndroidRuntime(3171): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
11-05 05:03:20.171: E/AndroidRuntime(3171): at java.lang.Thread.run(Thread.java:841)
11-05 05:03:20.171: E/AndroidRuntime(3171): Caused by: java.lang.NullPointerException
代碼拋出空指針異常。你可以調試doinBackground方法嗎?我的假設是,錯誤發生在post_message和post_title上。 – RAAAAM 2014-11-05 10:21:49
發佈您的完整日誌貓 – 2014-11-05 10:29:48
我已調試的代碼有post_message和post_title.This時沒有問題。這個時候我得到了這個錯誤........ – 2014-11-05 10:32:53