NullPointerException Android 4.0.3中的Google MapView

Question

我正在使用Google MapActivity。我遇到很多像这样的例外。 仅在android 4.0.3中 这是android 4.0.3的错误吗？

Caused by: java.lang.NullPointerException
at com.google.android.maps.MapView.restoreMapReferences(MapView.java:402)
at com.google.android.maps.MapView.setup(MapView.java:327)
at com.google.android.maps.MapActivity.setupMapView(MapActivity.java:404)
at com.google.android.maps.MapView.<init>(MapView.java:289)
at com.google.android.maps.MapView.<init>(MapView.java:264)
at com.google.android.maps.MapView.<init>(MapView.java:247)
at com.dianping.widget.CustomLocationGoogleMapView.<init>(CustomLocationGoogleMapView.java:25)
... 29 more