Oracle11g ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务

转自：http://www.360doc.com/content/10/0707/15/737570_37446042.shtml

找到数据库目录下的listener .ora文件，添加中间的代码

# listener.ora Network Configuration File: /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
  (SID_DESC =
  (SID_NAME = PLSExtProc)
  (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
  (PROGRAM = extproc)
  )
----------------
  (SID_DESC =
  (GLOBAL_DBNAME = ORCL)
  (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)
  (SID_NAME = ORCL)
  )
----------------加上这部分，重启监听就ok了
  )

LISTENER =
  (DESCRIPTION_LIST =
  (DESCRIPTION =
  (ADDRESS = (PROTOCOL = TCP)(HOST = linux4)(PORT = 1521))
  )
  )