Unity3d 4.2 with Android Plugins run fail

Unity3d 4.2 with Android Plugins run fail

the project in Unity 4.1 was well.in Unity3D 4.2 ,exlipse show these:
08-25 19:32:42.659: E/Unity(12469): Unable to locate player settings.
bin/Data/settings.xml
08-25 19:32:42.699: E/proxy(12469): file not found :
'assets/libs/armeabi-v7a/libmono.so'
08-25 19:32:42.699: E/linker(12469): ERROR: Library
'/assets/libs/armeabi-v7a/libmono.so' not found
08-25 19:32:42.699: E/dalvikvm(12469): VM aborting
08-25 19:32:42.699: A/libc(12469): Fatal signal 11 (SIGSEGV) at 0xdeadd00d
(code=1)
I try to copy armeabi-v7a floder to Libs floder. still wrong.