Error when Start and STop GPS

[amaydiam]

Hello i get Error when start GPS,

When Start GPS

UPDATE
11-12 11:18:24.500: W/dalvikvm(24780): threadid=12: thread exiting with uncaught exception (group=0x40cfb438)
11-12 11:18:24.540: E/AndroidRuntime(24780): FATAL EXCEPTION: Timer-0
11-12 11:18:24.540: E/AndroidRuntime(24780): java.lang.NullPointerException
11-12 11:18:24.540: E/AndroidRuntime(24780): at org.gpstracker.mobile.android.TestGPS.update(TestGPS.java:76)
11-12 11:18:24.540: E/AndroidRuntime(24780): at org.gpstracker.mobile.cont.LocationListnerHandler$1.run(LocationListnerHandler.java:78)
11-12 11:18:24.540: E/AndroidRuntime(24780): at java.util.Timer$TimerImpl.run(Timer.java:284)

When Stop GPS

11-12 11:17:29.740: W/dalvikvm(23658): threadid=1: thread exiting with uncaught exception (group=0x40cfb438)
11-12 11:17:29.780: E/AndroidRuntime(23658): FATAL EXCEPTION: main
11-12 11:17:29.780: E/AndroidRuntime(23658): java.lang.NullPointerException
11-12 11:17:29.780: E/AndroidRuntime(23658): at org.gpstracker.mobile.cont.LocationListnerHandler.stopLocation(LocationListnerHandler.java:95)
11-12 11:17:29.780: E/AndroidRuntime(23658): at org.gpstracker.mobile.android.TestGPS$2.onClick(TestGPS.java:69)
11-12 11:17:29.780: E/AndroidRuntime(23658): at android.view.View.performClick(View.java:4084)
11-12 11:17:29.780: E/AndroidRuntime(23658): at android.view.View$PerformClick.run(View.java:16987)
11-12 11:17:29.780: E/AndroidRuntime(23658): at android.os.Handler.handleCallback(Handler.java:615)
11-12 11:17:29.780: E/AndroidRuntime(23658): at android.os.Handler.dispatchMessage(Handler.java:92)
11-12 11:17:29.780: E/AndroidRuntime(23658): at android.os.Looper.loop(Looper.java:137)
11-12 11:17:29.780: E/AndroidRuntime(23658): at android.app.ActivityThread.main(ActivityThread.java:4794)
11-12 11:17:29.780: E/AndroidRuntime(23658): at java.lang.reflect.Method.invokeNative(Native Method)
11-12 11:17:29.780: E/AndroidRuntime(23658): at java.lang.reflect.Method.invoke(Method.java:511)
11-12 11:17:29.780: E/AndroidRuntime(23658): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
11-12 11:17:29.780: E/AndroidRuntime(23658): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556)
11-12 11:17:29.780: E/AndroidRuntime(23658): at dalvik.system.NativeStart.main(Native Method)
11-12 11:18:05.300: E/Trace(24780): error opening trace file: No such file or directory (2)
11-12 11:18:10.260: I/org.gpstracker.mobile.android.MainActivity(24780): 0
11-12 11:18:10.350: D/dalvikvm(24780): GC_CONCURRENT freed 204K, 4% free 8334K/8647K, paused 12ms+5ms, total 77ms
11-12 11:18:10.360: D/dalvikvm(24780): WAIT_FOR_CONCURRENT_GC blocked 35ms
11-12 11:18:24.340: I/org.gpstracker.mobile.cont.LocationListnerHandler(24780):

How to solve it ?