oracle数据库ORA-12541TNS无监听程序-错误解决方法.doc

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1、在用PL/SQLDeveloper连接数据库时出现“ORA-12541:TNS:无监听程序”错误。1、检查listener.log日志发现下面错误：TNSLSNRfor32-bitWindows:Version10.2.0.1.0-Productionon20-9月-200810:25:26Copyright(c)1991,2005,Oracle.Allrightsreserved.系统参数文件为D:oracleproduct10.2.0db_1etworkadminlistener.or

2、a写入D:oracleproduct10.2.0db_1etworkloglistener.log的日志信息写入D:oracleproduct10.2.0db_1etworktracelistener.trc的跟踪信息跟踪级别当前为0以pid=1704开始监听:(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\.pipeEXTPROC1ipc)))监听该对象时出错:(DESCRIPTION=(ADDRESS=(PROTOCO

3、L=TCP)(HOST=0.5.0.5)(PORT=1521)))TNS-12545:因目标主机或对象不存在,连接失败TNS-12560:TNS:协议适配器错误TNS-00515:因目标主机或对象不存在,连接失败  32-bitWindowsError:49:Unknownerror不再监听:(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\.pipeEXTPROC1ipc)))2、查看Oracle的listener是否启动C:DocumentsandS

4、ettingsmengzhaoliang>lsnrctlstatusLSNRCTLfor32-bitWindows:Version10.2.0.1.0-Productionon20-9月-200810:50:44Copyright(c)1991,2005,Oracle.Allrightsreserved.正在连接到(DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))TNS-12541:TNS:无监听程序TNS-12560:TNS:协议适配器错误TNS-

5、00511:无监听程序  32-bitWindowsError:2:Nosuchfileordirectory正在连接到(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=0.5.0.5)(PORT=1521)))TNS-12535:TNS:操作超时TNS-12560:TNS:协议适配器错误TNS-00505:操作超时  32-bitWindowsError:60:Unknownerror原来没有启动listener，用“lsnrctlstart”命令也不能启动。C:Do

6、cumentsandSettingsmengzhaoliang>lsnrctlstartLSNRCTLfor32-bitWindows:Version10.2.0.1.0-Productionon20-9月-200810:52:16Copyright(c)1991,2005,Oracle.Allrightsreserved.启动tnslsnr:请稍候...TNSLSNRfor32-bitWindows:Version10.2.0.1.0-Production系统参数文件为D:oracleproduc

7、t10.2.0db_1etworkadminlistener.ora写入D:oracleproduct10.2.0db_1etworkloglistener.log的日志信息监听:(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\.pipeEXTPROC1ipc)))监听该对象时出错:(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=0.5.0.5)(PORT=1521)))TNS-12545:

8、因目标主机或对象不存在,连接失败TNS-12560:TNS:协议适配器错误TNS-00515:因目标主机或对象不存在,连接失败  32-bitWindowsError:49:Unknownerror监听程序未能启动。请参阅上面的错误消息...3、查看listener.ora的内容：#listener.oraNetworkConfigurationFile:D:oracleproduct10.2.0db_1etwor