ORA-12504: TNS: 监听程序在 CONNECT_DATA 中未获得 SERVICE_NAME

[etdeng]

oracle是11g，连接本地数据库时出现标题中的错误，求助大神
tnsnames.ora文件
# tnsnames.ora Network Configuration File: C:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
)
)

LISTENER_ORCL =
(ADDRESS = (PROTOCOL = TCP)(HOST = MS-20150716FYPG)(PORT = 1521))


ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = MS-20150716FYPG)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = myproject)
)
)

listener.ora文件
# listener.ora Network Configuration File: C:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = ORCL)
(SID_NAME = CLRExtProc)
(ORACLE_HOME = c:\app\Administrator\product\11.2.0\dbhome_1)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:c:\app\Administrator\product\11.2.0\dbhome_1\bin\oraclr11.dll")
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = MS-20150716FYPG)(PORT = 1521))
)
)

ADR_BASE_LISTENER = c:\app\Administrator