ok so if that's throwing a null pointer, then context might be null. check that?
>I commented out a lot of code above what I pasted.... if comments >count as lines, line 39 is "FileOutputStream fOut = >context.openFileOutput(filename, Context.MODE_PRIVATE);" > >Never heard of a finally block... it sounds like it isn't getting >called, i'll look into adding this. > >I'm positive filename & contents aren't null. > >On Aug 11, 4:44 pm, Jason Proctor <[email protected]> >wrote: >> what is line 39 in your source file? >> >> are the filename and contents non-null? >> >> btw, i'd recommend closing the output stream writer in a finally >> block. finalizers aren't guaranteed to get called. >> >> >> >> >I have two methods, one reads files and one writes the given string to >> >a file. >> >For some reason, the first time the write method works fine, but after >> >it writes the first file, any files after that makes it throw a >> >nullpointerexception. No idea why. The problem is in the writeData >> >method for sure.... why is it throwing null??? >> >> >Stack dump: >> >08-10 23:04:43.309: WARN/dalvikvm(687): threadid=17: thread exiting >> >with uncaught exception (group=0x4000fe70) >> >08-10 23:04:43.319: ERROR/AndroidRuntime(687): Uncaught handler: >> >thread IntentService[TheDaemon] exiting due to uncaught exception >> >08-10 23:04:43.357: ERROR/AndroidRuntime(687): >> >java.lang.NullPointerException >> >08-10 23:04:43.357: ERROR/AndroidRuntime(687): at >> >org.myApp.ThePreferences.writeData(ThePreferences.java:39) >> >08-10 23:04:43.357: ERROR/AndroidRuntime(687): at >> >org.myApp.ThePhone.savePhoneToDisk(ThePhone.java:33) >> >08-10 23:04:43.357: ERROR/AndroidRuntime(687): at >> >org.myApp.ThePhone.refreshStatus(ThePhone.java:82) >> >08-10 23:04:43.357: ERROR/AndroidRuntime(687): at >> >org.myApp.TheDaemon.onHandleIntent(TheDaemon.java:62) >> >08-10 23:04:43.357: ERROR/AndroidRuntime(687): at >> >android.app.IntentService$ServiceHandler.handleMessage >> >(IntentService.java:29) >> >08-10 23:04:43.357: ERROR/AndroidRuntime(687): at >> >android.os.Handler.dispatchMessage(Handler.java:99) >> >08-10 23:04:43.357: ERROR/AndroidRuntime(687): at >> >android.os.Looper.loop(Looper.java:123) >> >08-10 23:04:43.357: ERROR/AndroidRuntime(687): at >> >android.os.HandlerThread.run(HandlerThread.java:60) >> >> >write Method >> >> >public boolean writeData(String filename, String contents) >> > { >> > try { >> > FileOutputStream fOut = >> >context.openFileOutput(filename, >> >Context.MODE_PRIVATE); >> > OutputStreamWriter osw = new OutputStreamWriter(fOut); >> > osw.write(contents); >> > osw.flush(); >> > osw.close(); >> > } catch (IOException e) { >> > e.printStackTrace(); >> > Log.e("fmi", "fmi throws ioexception in WRITER"); >> > return false; >> > } catch (java.lang.NullPointerException e) { >> > e.printStackTrace(); >> > } >> > return true; >> > } >> >> >Any idea why it's throwing a null pointer exception? >> >> -- >> jason.software.particle > -- jason.software.particle --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
