perameter problem

[igautam007]

/AndroidRuntime: FATAL EXCEPTION: main
Process: com.zod.facedetectionjavaandroid, PID: 29796
java.lang.RuntimeException: setParameters failed
at android.hardware.Camera.native_setParameters(Native Method)
at android.hardware.Camera.setParameters(Camera.java:2042)
at com.zod.facedetectionjavaandroid.Preview.surfaceChanged(MainActivity.java:443)
at android.view.SurfaceView.updateWindow(SurfaceView.java:608)
at android.view.SurfaceView$3.onPreDraw(SurfaceView.java:179)
at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:944)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2074)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1126)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6098)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:892)
at android.view.Choreographer.doCallbacks(Choreographer.java:704)
at android.view.Choreographer.doFrame(Choreographer.java:640)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:878)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:853)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:737)