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RejectedExecutionException on an internal task scheduling #256

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robUx4 opened this issue Oct 6, 2014 · 1 comment · May be fixed by #257
Open

RejectedExecutionException on an internal task scheduling #256

robUx4 opened this issue Oct 6, 2014 · 1 comment · May be fixed by #257

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@robUx4
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robUx4 commented Oct 6, 2014

I get this error on 4.4.4 devices (non rooted). This is happening early in the lifetime of the process, within the first second the app is launched.

I noticed synchronousWorkers is not final, but I don't think it will make much of a difference.

java.util.concurrent.RejectedExecutionException: Task com.koushikdutta.async.AsyncServer$1@6531fc10 rejected from java.util.concurrent.ThreadPoolExecutor@650341c0[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
       at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2011)
       at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:793)
       at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1339)
       at com.koushikdutta.async.AsyncServer.wakeup(SourceFile:126)
       at com.koushikdutta.async.AsyncServer.postDelayed(SourceFile:160)
       at com.koushikdutta.async.AsyncServer.post(SourceFile:167)
       at com.koushikdutta.async.http.AsyncHttpClient.execute(SourceFile:185)
       at com.koushikdutta.async.http.AsyncHttpClient.execute(SourceFile:124)
       at com.koushikdutta.ion.loader.HttpLoader.load(SourceFile:24)
       at com.koushikdutta.ion.IonRequestBuilder.loadRequest(SourceFile:376)
       at com.koushikdutta.ion.IonRequestBuilder.invokeLoadRequest(SourceFile:370)
       at com.koushikdutta.ion.IonRequestBuilder$4.run(SourceFile:360)
       at com.koushikdutta.async.AsyncServer$RunnableWrapper.run(SourceFile:53)
       at android.os.Handler.handleCallback(Handler.java:733)
       at android.os.Handler.dispatchMessage(Handler.java:95)
       at android.os.Looper.loop(Looper.java:136)
       at android.app.ActivityThread.main(ActivityThread.java:5001)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
@robUx4
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robUx4 commented Oct 6, 2014

Looking at the ThreadPoolExecutor code it seems the "Terminated" string indicates the executor is dead. There is no call to shutdown() in your code, so the other option could be that the executor finalize() has been called (thus shutdown() being called). Maybe due to a premature death or the app being killed soon after a background startup in the background.

I think before calling execute() you should check the isShutdown() state of the executor. Silently doing nothing if they're dead.

robUx4 added a commit to robUx4/AndroidAsync that referenced this issue Oct 6, 2014
@robUx4
do not use the thread pool if it's shutdown
864076e 
should fix koush#256
@robUx4 robUx4 linked a pull request Oct 6, 2014 that will close this issue
Open
robUx4 added a commit to robUx4/AndroidAsync that referenced this issue Oct 6, 2014
@robUx4
do not use the thread pool if it's shutdown
816bd35 
should fix koush#256
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do not use the thread pool if it's shutdown robUx4/AndroidAsync
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@robUx4