我再次开始使用我的Android应用程序,现在它在下面显示此错误 . 我可以提供解决问题所需的任何信息 .

05-12 12:26:30.858 3799-3845 / amh.communication.testapp E / AndroidRuntime:FATAL EXCEPTION:AsyncTask#1进程:amh.communication.testapp,PID:3799 java.lang.RuntimeException:执行时发生错误do.Background()在java.util.concurrent.FutureTask.setException(FutureTask.java)的java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)上的android.os.AsyncTask $ 3.done(AsyncTask.java :) 4) :222)at java.util.concurrent.FutureTask.run(FutureTask.java:242)at android.os.AsyncTask $ SerialExecutor $ 1.run(AsyncTask.java:231)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor) .java:1112)java.util.concurrent.ThreadPoolExecutor $ Worker.run(ThreadPoolExecutor.java:587)at java.lang.Thread.run(Thread.java:818)引起:java的java.util.NoSuchElementException . java.util.ArrayDeque.remove(ArrayDeque.java:413)上的util.ArrayDeque.removeFirst(ArrayDeque.java:248)at amh.communication.testapp.MainActivity $ myAsyncTask.doInBackground(MainActivity.java:970) at amh.communication.testapp.MainActivity $ myAsyncTask.doInBackground(MainActivity.java:628)at android.os.AsyncTask $ 2.call(AsyncTask.java:292)at java.util.concurrent.FutureTask.run(FutureTask.java: 237)在android.os.AsyncTask $ SerialExecutor $ 1.run(AsyncTask.java:231)java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)java.util.concurrent.ThreadPoolExecutor $ Worker.run( ThreadPoolExecutor.java:587)在java.lang.Thread.run(Thread.java:818)