android - Asycntask multiple downloading fails in Listview -

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i downloading mp3 files (using asynctask) , updating there progress in listview contains progress bar , textview (which shows how % downloaded). runs ok till 2% 3% crashes exception.

this code:

             @override                     protected void onprogressupdate(integer... values) {                         super.onprogressupdate(values);                         log.v("progress ", integer.tostring(values[0]));                         pbar.setprogress(values[0]);                         tmin.settext(integer.tostring(values[0]) + "%");                      }

this error:

                07-04 05:50:38.990: e/androidruntime(1587): fatal exception: main                 07-04 05:50:38.990: e/androidruntime(1587): java.util.concurrent.rejectedexecutionexception: task android.os.asynctask$3@40928f80 rejected java.util.concurrent.threadpoolexecutor@40b93700[running, pool size = 128, active threads = 128, queued tasks = 10, completed tasks = 1]                 07-04 05:50:38.990: e/androidruntime(1587):     @ java.util.concurrent.threadpoolexecutor$abortpolicy.rejectedexecution(threadpoolexecutor.java:1972)                 07-04 05:50:38.990: e/androidruntime(1587):     @ java.util.concurrent.threadpoolexecutor.reject(threadpoolexecutor.java:787)                 07-04 05:50:38.990: e/androidruntime(1587):     @ java.util.concurrent.threadpoolexecutor.execute(threadpoolexecutor.java:1308)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.os.asynctask.executeonexecutor(asynctask.java:552)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.os.asynctask.execute(asynctask.java:499)                 07-04 05:50:38.990: e/androidruntime(1587):     @ musicdownloader.com.musicdownloader$customadapter.getview(musicdownloader.java:209)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.abslistview.obtainview(abslistview.java:1949)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.listview.measureheightofchildren(listview.java:1228)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.listview.onmeasure(listview.java:1139)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.view.measure(view.java:10835)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.viewgroup.measurechildwithmargins(viewgroup.java:4351)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.linearlayout.measurechildbeforelayout(linearlayout.java:1284)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.linearlayout.measurehorizontal(linearlayout.java:956)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.linearlayout.onmeasure(linearlayout.java:521)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.view.measure(view.java:10835)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.viewgroup.measurechildwithmargins(viewgroup.java:4351)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.framelayout.onmeasure(framelayout.java:267)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.view.measure(view.java:10835)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.viewgroup.measurechildwithmargins(viewgroup.java:4351)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.linearlayout.measurechildbeforelayout(linearlayout.java:1284)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.linearlayout.measurevertical(linearlayout.java:613)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.linearlayout.onmeasure(linearlayout.java:519)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.view.measure(view.java:10835)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.viewgroup.measurechildwithmargins(viewgroup.java:4351)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.framelayout.onmeasure(framelayout.java:267)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.view.measure(view.java:10835)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.viewgroup.measurechildwithmargins(viewgroup.java:4351)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.linearlayout.measurechildbeforelayout(linearlayout.java:1284)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.linearlayout.measurevertical(linearlayout.java:613)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.linearlayout.onmeasure(linearlayout.java:519)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.view.measure(view.java:10835)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.viewgroup.measurechildwithmargins(viewgroup.java:4351)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.widget.framelayout.onmeasure(framelayout.java:267)                 07-04 05:50:38.990: e/androidruntime(1587):     @ com.android.internal.policy.impl.phonewindow$decorview.onmeasure(phonewindow.java:1889)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.view.measure(view.java:10835)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.viewroot.performtraversals(viewroot.java:944)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.view.viewroot.handlemessage(viewroot.java:2046)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.os.handler.dispatchmessage(handler.java:99)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.os.looper.loop(looper.java:132)                 07-04 05:50:38.990: e/androidruntime(1587):     @ android.app.activitythread.main(activitythread.java:4123)                 07-04 05:50:38.990: e/androidruntime(1587):     @ java.lang.reflect.method.invokenative(native method)                 07-04 05:50:38.990: e/androidruntime(1587):     @ java.lang.reflect.method.invoke(method.java:491)                 07-04 05:50:38.990: e/androidruntime(1587):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:841)                 07-04 05:50:38.990: e/androidruntime(1587):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:599)                 07-04 05:50:38.990: e/androidruntime(1587):     @ dalvik.system.nativestart.main(native method)

this view

  public view getview(final int position, view convertview, viewgroup parent) {                           layoutinflater inflater = getlayoutinflater();                 view row = inflater.inflate(r.layout.row, parent, false);                  progressbar pb = (progressbar)row.findviewbyid(r.id.progressbar_horizontal);                                     textview t1 = (textview)row.findviewbyid(r.id.minsize);                 textview t2 = (textview)row.findviewbyid(r.id.filesize);                 t2.settypeface(tf);                 t1.settypeface(tf);                  imageview btn = (imageview)row.findviewbyid(r.id.cancelbtn);                  backgroundasynctask bat = new backgroundasynctask(downloadpool.get(position), pb, t1, t2);                 if(bat.getstatus() == asynctask.status.pending){                     // asynctask has not started yet                     bat.execute();                 }                                    if(bat.getstatus() == asynctask.status.running){                     // asynctask doing work in doinbackground()                 }                                    if(bat.getstatus() == asynctask.status.finished){                     // asynctask done , onpostexecute called                 }                    btn.setonclicklistener(new onclicklistener() {                     public void onclick(view arg0) {                          log.e("app", "cancelled...");                         //bat.cancel(true);                     }                  });                   return row;         }


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