Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Google Groups by Alejandro Cantos, 1 year ago
Cannot execute task: the task has already been executed (a task can be executed only once)
via Google Groups by Alejandro Cantos, 2 years ago
Cannot execute task: the task has already been executed (a task can be executed only once)
via Stack Overflow by Petrica
, 2 years ago
Cannot execute task: the task is already running.
via Stack Overflow by Max Kruse
, 2 years ago
Cannot execute task: the task has already been executed (a task can be executed only once)
via GitHub by TakumaMochizuki
, 2 years ago
Cannot execute task: the task has already been executed (a task can be executed only once)
via GitHub by radimflypay
, 2 years ago
Cannot execute task: the task has already been executed (a task can be executed only once)
java.lang.IllegalStateException: Cannot execute task: the task has already
 been executed (a task can be executed only once)	at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:579)	at android.os.AsyncTask.execute(AsyncTask.java:535)	at com.dontstoptouching.Lvl1.onTouch(Lvl1.java:89)	at android.view.View.dispatchTouchEvent(View.java:7704)	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2210)	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1945)	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917)	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917)	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917)	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917)	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917)	at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2068)	at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1515)	at android.app.Activity.dispatchTouchEvent(Activity.java:2458)	at android.support.v7.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:60)	at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2016)	at android.view.View.dispatchPointerEvent(View.java:7889)	at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:3954)	at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3833)	at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3399)	at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3449)	at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3418)	at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3525)	at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3426)	at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3582)	at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3399)	at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3449)	at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3418)	at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3426)	at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3399)	at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5612)	at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5592)	at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5563)	at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5692)	at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185)	at android.os.MessageQueue.nativePollOnce(Native Method)	at android.os.MessageQueue.next(MessageQueue.java:138)	at android.os.Looper.loop(Looper.java:123)	at android.app.ActivityThread.main(ActivityThread.java:5050)	at java.lang.reflect.Method.invokeNative(Native Method)	at java.lang.reflect.Method.invoke(Method.java:515)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)	at dalvik.system.NativeStart.main(Native Method)