[android-developers] Re: Getting a strange MessageQueue warning w/ DefaultHttpClient in AsyncTask

2010-12-25 Thread Bret Foreman
I found the problem easily after a good night's rest. I was running
the AsyncTask inside an IntentService. So the Service exits, thinking
it is finished and the AsyncTask's handler goes away. Easy to fix.

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[android-developers] Re: Getting a strange MessageQueue warning w/ DefaultHttpClient in AsyncTask

2010-12-24 Thread Doug
I can't imagine that Apache HttpClient would be doing anything with
Android handlers unless Google modified it to do so, unless maybe you
are using AndroidHttpClient.

Are you perhaps making any AsyncTask method calls inside some kind of
asynchronous callback from HttpClient?  Care to share any code?

Doug

On Dec 24, 5:07 pm, Bret Foreman bret.fore...@gmail.com wrote:
 I'm doing a set of HTTP posts (using DefaultHttpClient), each in its
 own AsyncTask. Functionally, it works fine but I'm getting the warning
 below in the log. This warning appears for each instance of the
 AsyncTask. I'm guessing that the HTTP Client in posting a message (to
 itself?), then the task exits, then the message is undeliverable. Has
 anyone seen this behavior before or have an idea how I might prevent
 the warning?

 12-24 16:45:30.669: WARN/MessageQueue(7888): Handler{448b0288} sending
 message to a Handler on a dead thread
 12-24 16:45:30.669: WARN/MessageQueue(7888):
 java.lang.RuntimeException: Handler{448b0288} sending message to a
 Handler on a dead thread
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 android.os.MessageQueue.enqueueMessage(MessageQueue.java:179)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 android.os.Handler.sendMessageAtTime(Handler.java:457)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 android.os.Handler.sendMessageDelayed(Handler.java:430)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 android.os.Handler.sendMessage(Handler.java:367)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 android.os.Message.sendToTarget(Message.java:348)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 android.os.AsyncTask$3.done(AsyncTask.java:214)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 java.util.concurrent.FutureTask$Sync.innerSet(FutureTask.java:252)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 java.util.concurrent.FutureTask.set(FutureTask.java:112)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:310)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 java.util.concurrent.FutureTask.run(FutureTask.java:137)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:
 1068)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 java.util.concurrent.ThreadPoolExecutor
 $Worker.run(ThreadPoolExecutor.java:561)
 12-24 16:45:30.669: WARN/MessageQueue(7888):     at
 java.lang.Thread.run(Thread.java:1096)

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