ORA-12514 TNS listener does not currently know of service re
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1、错误描述
2、错误原因
确保OracleServiceORCL、OracleDBConsoleorcl和OracleOraDb11g_home1TNSListener三个已经启动，但是OracleDBConsoleorcl未启动
3、解决办法
开启OracleDBConsoleorcl
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ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
ORA-12514: TNS:listener does not currently know of service requested in connect
ORA-12514: TNS: listener does not currently know of service requested in connect descriptor
Listener refused the connection with the following error:ORA-12514, TNS:listener does not currently
ORA-12514 TNS listener does not currently know of service re