I have an exception in android application and i don't know the reason? -
the exception
11-30 22:53:18.017: error/zygote(32): setreuid() failed. errno: 2 11-30 22:53:27.508: error/zygote(32): setreuid() failed. errno: 17 11-30 22:53:29.578: error/batteryservice(65): usbonlinepath not found 11-30 22:53:29.578: error/batteryservice(65): batteryvoltagepath not found 11-30 22:53:29.578: error/batteryservice(65): batterytemperaturepath not found 11-30 22:53:29.618: error/surfaceflinger(65): couldn't open /sys/power/wait_for_fb_sleep or /sys/power/wait_for_fb_wake 11-30 22:53:36.538: error/eventhub(65): not driver version /dev/input/mouse0, not typewriter 11-30 22:53:36.538: error/eventhub(65): not driver version /dev/input/mice, not typewriter 11-30 22:53:36.708: error/system(65): failure starting core service 11-30 22:53:36.708: error/system(65): java.lang.securityexception 11-30 22:53:36.708: error/system(65): @ android.os.binderproxy.transact(native method) 11-30 22:53:36.708: error/system(65): @ android.os.servicemanagerproxy.addservice(servicemanagernative.java:146) 11-30 22:53:36.708: error/system(65): @ android.os.servicemanager.addservice(servicemanager.java:72) 11-30 22:53:36.708: error/system(65): @ com.android.server.serverthread.run(systemserver.java:184) 11-30 22:53:38.058: error/soundpool(65): error loading /system/media/audio/ui/effect_tick.ogg 11-30 22:53:38.058: error/soundpool(65): error loading /system/media/audio/ui/keypressstandard.ogg 11-30 22:53:38.068: error/soundpool(65): error loading /system/media/audio/ui/keypressspacebar.ogg 11-30 22:53:38.068: error/soundpool(65): error loading /system/media/audio/ui/keypressdelete.ogg 11-30 22:53:38.088: error/soundpool(65): error loading /system/media/audio/ui/keypressreturn.ogg 11-30 22:53:41.837: error/throttleservice(65): not open gps configuration file /etc/gps.conf 11-30 22:53:43.177: error/logwrapper(143): executing /system/bin/tc failed: no such file or directory 11-30 22:53:43.257: error/logwrapper(145): executing /system/bin/tc failed: no such file or directory 11-30 22:53:43.347: error/logwrapper(147): executing /system/bin/tc failed: no such file or directory 11-30 22:53:58.014: error/hierarchicalstatemachine(65): tethermaster - unhandledmessage: msg.what=3 11-30 22:55:39.283: error/androidruntime(272): fatal exception: main 11-30 22:55:39.283: error/androidruntime(272): java.lang.runtimeexception: unable start activity componentinfo{ayanoo.forms/ayanoo.forms.friendsactivity}: java.lang.nullpointerexception 11-30 22:55:39.283: error/androidruntime(272): @ android.app.activitythread.performlaunchactivity(activitythread.java:2663) 11-30 22:55:39.283: error/androidruntime(272): @ android.app.activitythread.handlelaunchactivity(activitythread.java:2679) 11-30 22:55:39.283: error/androidruntime(272): @ android.app.activitythread.access$2300(activitythread.java:125) 11-30 22:55:39.283: error/androidruntime(272): @ android.app.activitythread$h.handlemessage(activitythread.java:2033) 11-30 22:55:39.283: error/androidruntime(272): @ android.os.handler.dispatchmessage(handler.java:99) 11-30 22:55:39.283: error/androidruntime(272): @ android.os.looper.loop(looper.java:123) 11-30 22:55:39.283: error/androidruntime(272): @ android.app.activitythread.main(activitythread.java:4627) 11-30 22:55:39.283: error/androidruntime(272): @ java.lang.reflect.method.invokenative(native method) 11-30 22:55:39.283: error/androidruntime(272): @ java.lang.reflect.method.invoke(method.java:521) 11-30 22:55:39.283: error/androidruntime(272): @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:868) 11-30 22:55:39.283: error/androidruntime(272): @ com.android.internal.os.zygoteinit.main(zygoteinit.java:626) 11-30 22:55:39.283: error/androidruntime(272): @ dalvik.system.nativestart.main(native method) 11-30 22:55:39.283: error/androidruntime(272): caused by: java.lang.nullpointerexception 11-30 22:55:39.283: error/androidruntime(272): @ ayanoo.forms.friendsactivity.createletters(friendsactivity.java:54) 11-30 22:55:39.283: error/androidruntime(272): @ ayanoo.forms.friendsactivity.initlayout(friendsactivity.java:43) 11-30 22:55:39.283: error/androidruntime(272): @ ayanoo.forms.friendsactivity.oncreate(friendsactivity.java:31) 11-30 22:55:39.283: error/androidruntime(272): @ android.app.instrumentation.callactivityoncreate(instrumentation.java:1047) 11-30 22:55:39.283: error/androidruntime(272): @ android.app.activitythread.performlaunchactivity(activitythread.java:2627) 11-30 22:55:39.283: error/androidruntime(272): ... 11 more
look @ bottom of error text; there's answer:
11-30 22:55:39.283: error/androidruntime(272): caused by: java.lang.nullpointerexception 11-30 22:55:39.283: error/androidruntime(272): @ ayanoo.forms.friendsactivity.createletters(friendsactivity.java:54) 11-30 22:55:39.283: error/androidruntime(272): @ ayanoo.forms.friendsactivity.initlayout(friendsactivity.java:43) 11-30 22:55:39.283: error/androidruntime(272): @ ayanoo.forms.friendsactivity.oncreate(friendsactivity.java:31) 11-30 22:55:39.283: error/androidruntime(272): @ android.app.instrumentation.callactivityoncreate(instrumentation.java:1047) 11-30 22:55:39.283: error/androidruntime(272): @ android.app.activitythread.performlaunchactivity(activitythread.java:2627) i couldn't further unless post code.
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