Eclipse error- Google Map View failed to instantiate

I am making project on Google map that displays 10 nearest position in map,
Today Morning, My project works fine but than after, when I lounch my eclipse it displays dialog box that "Internal Error"
"com.google.android.maps.MapView failed to instantiate"
"java.lang.StackOverflowError"

and than pressing ok on dialog box,
says me to you are recommanded to exit the workbench..
I am afraid, that it might delete or crash my project,
What to do?? plz help me someone.

I should reinstall eclipse??

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