I've been getting this error in my developer portal. I'm not sure why. Stack trace tracks back into some internal function call inside WebView object.
java.lang.NullPointerException
at android.webkit.WebView.loadUrlImpl(WebView.java:3008)
at android.webkit.WebView.loadUrlImpl(WebView.java:3047)
at android.webkit.WebView.loadUrl(WebView.java:3040)
at com.myapp.android.PreviewActivity.notifyJS(PreviewActivity.java:175)
at com.myapp.android.PreviewActivity.access$14(PreviewActivity.java:174)
at com.myapp.android.PreviewActivity$ActionBarItemClickListener.onClick(PreviewActivity.java:901)
at android.view.View.performClick(View.java:3644)
at android.view.View$PerformClick.run(View.java:14313)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4517)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:993)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:760)
at dalvik.system.NativeStart.main(Native Method)
In my code at com.myapp.android.PreviewActivity.notifyJS(PreviewActivity.java:175), there is this line
webView.loadUrl("javascript:MyApp.onClick('" + action + "');");
I'm actually invoking a javascript call from my java code. Has anyone faced this issue before?
I found the answer myself. If webView.destroy() has already been called then calling webView.loadUrl() will cause this exception.
It seems that your webview is null. Did you call findView before?
Related
The class WebViewClassic throws a NullPointerException when it invokes addJavascriptInterface method on Android 4.3. I don't find the NullPointerException from the system source of android 4.3. addJavascriptInterface method
I think it should be a system bug. Help me please. thanks.
java.lang.NullPointerException
at android.webkit.WebViewClassic.addJavascriptInterface(WebViewClassic.java:4314)
at android.webkit.WebView.addJavascriptInterface(WebView.java:1533)
at com.browser.webview_checkmode.BrowserWebViewFactory$1.run(BrowserWebViewFactory.java:71)
at android.os.Handler.handleCallback(Handler.java:730)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5166)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
On Google Play developer console I sometimes get crash reports that I don't understand at all. There is noting from my app code in the stack trace reported. Could anyone shed some light e.g. on this one?
java.lang.NullPointerException
at android.os.Parcel.readException(Parcel.java:1338)
at android.os.Parcel.readException(Parcel.java:1286)
at android.speech.tts.ITextToSpeechService$Stub$Proxy.setCallback(ITextToSpeechService.java:573)
at android.speech.tts.TextToSpeech$Connection.onServiceConnected(TextToSpeech.java:1278)
at android.app.LoadedApk$ServiceDispatcher.doConnected(LoadedApk.java:1125)
at android.app.LoadedApk$ServiceDispatcher$RunConnection.run(LoadedApk.java:1142)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:4945)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
It's clearly in some Text to Speech package, but how am I, the app author, resposible for this one? I do initialize TTS and my app is reading text aloud, but how can I fix such error?
Greg
here is your errors
ITextToSpeechService$Stub$Proxy.setCallback(ITextToSpeechService.java:573)
it's clearly !
I have a null pointer exception somewhere, but I am not sure where. All I have is this error:
java.lang.NullPointerException
at android.widget.ArrayAdapter.getCount(ArrayAdapter.java:330)
at android.widget.AdapterView.checkFocus(AdapterView.java:700)
at android.widget.AdapterView$AdapterDataSetObserver.onInvalidated(AdapterView.java:823)
at android.widget.AbsListView$AdapterDataSetObserver.onInvalidated(AbsListView.java:5738)
at android.database.DataSetObservable.notifyInvalidated(DataSetObservable.java:47)
at android.widget.BaseAdapter.notifyDataSetInvalidated(BaseAdapter.java:59)
at android.widget.ArrayAdapter$ArrayFilter.publishResults(ArrayAdapter.java:513)
at android.widget.Filter$ResultsHandler.handleMessage(Filter.java:282)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4697)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:787)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:554)
at dalvik.system.NativeStart.main(Native Method)
Would anyone have any ideas for how to debug this? I have not been able to reproduce it. It just sometimes happens and shows up in my crash logs.
Thanks!
Here's the code for ArrayAdapter: https://github.com/android/platform_frameworks_base/blob/master/core/java/android/widget/ArrayAdapter.java.
Assuming this is the right version, an NPE on line 330 would be caused if the adapter's dataset (i.e. the backing list or array) is null.
Hope that helps.
There is an exceptions, which I got in Android on drag.
Google doesnt know about this exception.
Question:
Any Idea, what to override to catch this exception? Something seems to hppen inside of the system, because all the listed classes are frameworks native classes.
Window Session Crash
java.lang.IllegalStateException: reportDropResult() by non-recipient
at com.android.server.wm.Session.reportDropResult(Session.java:307)
at android.view.IWindowSession$Stub.onTransact(IWindowSession.java:369)
at com.android.server.wm.Session.onTransact(Session.java:111)
at android.os.Binder.execTransact(Binder.java:320)
at dalvik.system.NativeStart.run(Native Method)
FATAL EXCEPTION: main
java.lang.IllegalStateException: reportDropResult() by non-recipient
at android.os.Parcel.readException(Parcel.java:1329)
at android.os.Parcel.readException(Parcel.java:1275)
at android.view.IWindowSession$Stub$Proxy.reportDropResult(IWindowSession.java:900)
at android.view.ViewRoot.handleDragEvent(ViewRoot.java:3015)
at android.view.ViewRoot.handleMessage(ViewRoot.java:2164)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:132)
at android.app.ActivityThread.main(ActivityThread.java:4025)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:491)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
at dalvik.system.NativeStart.main(Native Method)
There is an exceptions, which I got in Android on drag. Google doesnt know about this exception.
Since I can't find a reportDropResult() in the Android 2.3 source, I am guessing that this is from the new drag-and-drop framework introduced with Honeycomb.
Any Idea, what to override to catch this exception?
You can't override anything to catch that exception. To catch unhandled exceptions, use Thread and setDefaultUncaughtExceptionHandler().
I am using the latest version of AdWhirl to serve Ads from AdMob(+AdSense),InMobi,mdotm and Millennial Media. I am getting a lot of;
Exception class java.lang.NullPointerException
Source method AdWhirlLayout.handleAd()
Stack trace
java.lang.NullPointerException
at com.adwhirl.AdWhirlLayout.handleAd(AdWhirlLayout.java:217)
at com.adwhirl.AdWhirlLayout.access$3(AdWhirlLayout.java:205)
at com.adwhirl.AdWhirlLayout$HandleAdRunnable.run(AdWhirlLayout.java:390)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:132)
at android.app.ActivityThread.main(ActivityThread.java:4025)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:491)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
at dalvik.system.NativeStart.main(Native Method)
This is causing a large amount of force closing and upsetting my users, does anyone have any ideas what is causing this and how to fix.
Any help gratefully received.
Thanks
AdWhirl has had a new release since this exception. Is anybody still seeing these errors? This may have been some weird case where there was a bad configuration that causes a Ration object to be populated with null values, which caused the NPE when a string was formatted with one of these fields. All the fields in the ration have a value by default.