Unsupported major.minor version 52.0

Errors occurred during the build.
Errors running builder 'Android Package Builder' on project 'RecodiaPlayer'.
com/android/dx/command/dexer/Main : Unsupported major.minor version 52.0


solved :
jre1.8.0_102 installed

ORA-12638: 신용 검색에 실패했습니다

ORA-12638: 신용 검색에 실패했습니다
C:\oracle\product\11.2.0\client_1\network\admin\sqlnet.ora 파일에 대한 권한을 Authenticated Users 에 모든 권한을 준다
#SQLNET.AUTHENTICATION_SERVICES= (NTS)