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PONullPointerException in handleStopActivity -- No reference to my code in stack trace
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  1. PONullPointerException in handleStopActivity -- No reference to my code in stack trace
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    copied!<p>I'm a bit at a loss, here. I've been seeing a steadily increasing number of these <code>NullPointerException</code>s in <code>handleStopActivity</code>. I suspect that the increase coinicides with the increase in 2.2 upgrades to Droid owners, though that's just a guess. I've never seen the crash myself, and the stack trace provided by the market does not mention any of the classes I've written. As such, I have no idea where to start in fixing the problem.</p> <pre><code>java.lang.NullPointerException at android.app.ActivityThread.handleStopActivity(ActivityThread.java:3674) at android.app.ActivityThread.access$2600(ActivityThread.java:135) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2153) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:144) at android.app.ActivityThread.main(ActivityThread.java:4937) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>Since I don't know the cause, I also don't know what information to provide to aid in diagnosis, so I'll give an overiew: My app is WootWatcher. It tracks Woot.com and notifies users of new items for sale. It does this by means of a service that runs in a separate process. The service and the main activity communicate with each other via aidl interface and callback. I also make use of message handlers in both the service and activity, and frequently spawn threads for expensive tasks. </p>
 

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