ora-12154:TNS:无法解析指定的连接标识符 如何解决ORA-12154：TNS：无法解析指定的连接标识符
\u5982\u4f55\u89e3\u51b3ORA-12154\uff1aTNS\uff1a\u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u3000\u3000\u5728\u7a0b\u5e8f\u4e2d\u8fde\u63a5Oracle\u6570\u636e\u5e93\u7684\u65b9\u5f0f\u4e0e\u5176\u4ed6\u5e38\u7528\u6570\u636e\u5e93\uff0c\u5982\uff1aMySql,Sql Server\u4e0d\u540c\uff0c\u8fd9\u4e9b\u6570\u636e\u5e93\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u6307\u5b9aIP\u7684\u65b9\u5f0f\u8fde\u63a5\uff0c\u4f46\u662fOracle\u5219\u9700\u8981\u901a\u8fc7Oracle\u5ba2\u6237\u7aef\u914d\u7f6e\u7f51\u7edc\u670d\u52a1\u540d\u7684\u65b9\u5f0f\u6765\u8fde\u63a5\u3002\u5426\u5219\u5c31\u4f1a\u51fa\u73b0\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\u3002\u914d\u7f6eOracle\u5ba2\u6237\u7aef\u8be6\u7ec6\u6b65\u9aa4\u5982\u4e0b\uff1a
\u3000\u3000\u5b89\u88c5\u597dOracle\u5ba2\u6237\u7aef\u4e4b\u540e\uff0c\u5728\u5f00\u59cb\u83dc\u5355\u4e2d\u4f9d\u6b21\u627e\u5230\u201cOracle - OraClient10g_home1\u2014>\u914d\u7f6e\u548c\u79fb\u690d\u5de5\u5177\u2014>Net Manager\u201d\u5e76\u6253\u5f00\uff08Win7,Win8\u7528\u6237\u5982\u679c\u6ca1\u6709\u53d6\u5f97Administrator\u8d26\u53f7\u767b\u9646\u9700\u8981\u4ee5\u7ba1\u7406\u5458\u65b9\u5f0f\u8fd0\u884c\uff09\uff0c\u4f9d\u6b21\u5c55\u5f00\u201cOracle Net\u914d\u7f6e\u2014>\u672c\u5730\u2014>\u670d\u52a1\u547d\u540d\u201d\u70b9\u51fb\u5de6\u4fa7\u201c\u52a0\u53f7\u201d\u914d\u7f6e\u65b0\u7684\u7f51\u7edc\u670d\u52a1
\u3000\u3000
\u3000\u3000\u6700\u540e\uff0c\u70b9\u51fb\u201c\u4e0b\u4e00\u6b65\u201d\u5b8c\u6210\u5373\u53ef\uff0c\u5982\u679c\u4e0d\u77e5\u9053\u6216\u8005\u5fd8\u8bb0Oracle\u670d\u52a1\u540d\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u670d\u52a1\u83b7\u5f97\uff0c\u6bd4\u5982\u6211\u8fd9\u91cc\u914d\u7f6e\u7684\u4e3b\u673a\u540d\u662f\u6211\u672c\u673a\uff0c\u5728\u6211\u7684\u7535\u8111\u670d\u52a1\u4e2d\u627e\u5230oracle\u76f8\u5173\u7684\u670d\u52a1
\u3000\u3000
\u3000\u3000\u901a\u8fc7\u4e0a\u9762\u7684\u670d\u52a1\u540d\u79f0\uff0c\u53ef\u4ee5\u770b\u51fa\u6211\u5b89\u88c5\u7684\u670d\u52a1\u540d\u5c31\u662f\u201cORCL\u201d\uff0c\u6216\u8005\u5728\u670d\u52a1\u7aef\u901a\u8fc7SQL Plus\u4f7f\u7528sys\u8d26\u53f7\u767b\u9646\uff0c\u8f93\u5165\u547d\u4ee4
\u3000\u3000show parameter service_name\u67e5\u770b\u3002
\u3000\u3000OracleDBConsoleORCL\u662fOracle\u7f51\u9875\u7aef\u7ba1\u7406\u5de5\u5177\u7684\u670d\u52a1\uff0c\u8bbf\u95ee\u5730\u5740\u4e00\u822c\u4e3a\u201chttp://127.0.0.1:1158/em/console/logon/logon\u201d\uff0c\u5982\u679c\u4e0d\u4e60\u60ef\u7528\u8fd9\u4e2a\u6765\u7ba1\u7406\u6570\u636e\u5e93\u53ef\u4ee5\u4e0d\u7528\u542f\u52a8\u3002
\u3000\u3000OracleJobSchedulerORCL\u662f\u7ba1\u7406Oracle\u4e2d\u8ba1\u5212\u4efb\u52a1\u7684\uff0c\u4e00\u822c\u4e0d\u7528\u542f\u52a8\u3002
\u3000\u3000OracleOraDb10g_home1iSQL*Plus\u662fSQL Plus\u7684\u670d\u52a1\uff0c\u5982\u679c\u4e0d\u4e60\u60ef\u5728\u547d\u4ee4\u884c\u4e0b\u9762\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4e0d\u7528\u542f\u52a8\u3002
\u3000\u3000OracleServiceORCL\uff0cOracleOraDb10g_home1TNSListener\u90fd\u9700\u8981\u5f00\u542f\uff0c\u524d\u8005\u662f\u4e3b\u670d\u52a1\uff0c\u540e\u8005\u662f\u76d1\u542c\u670d\u52a1\u3002
\u3000\u3000
\u3000\u3000\u5f53\u5728Oracle\u5ba2\u6237\u7aef\u4e2d\u914d\u7f6e\u597dNet Manager\u4e2d\u914d\u7f6e\u597d\u670d\u52a1\u540e\u5c31\u53ef\u4ee5\u901a\u8fc7\u6211\u4eec\u914d\u7f6e\u7684\u7f51\u7edc\u670d\u52a1\u540d\u8bbf\u95eeOracle\u6570\u636e\u5e93\u4e86\uff0c\u6b64\u914d\u7f6e\u5b9e\u8d28\u60f3D:\Oracle\product\10.2.0\client_1\NETWORK\ADMIN\tnsnames.ora\u4e2d\u589e\u52a0\u4e86\u4e00\u884c\u914d\u7f6e(\u7531\u4e8e\u6211\u7684Oracle\u662f\u5b89\u88c5\u5728D\u76d8Oracle\u76ee\u5f55\u4e2d\uff0c\u5177\u4f53\u8def\u5f84\u6839\u636e\u5b89\u88c5\u65f6\u9009\u62e9\u7684\u8def\u5f84\u800c\u5b9a)\u3002
\u3000\u3000
\u3000\u3000# tnsnames.ora Network Configuration File: d:\Oracle\product\10.2.0\client_1\NETWORK\ADMIN\tnsnames.ora
\u3000\u3000# Generated by Oracle configuration tools.
\u3000\u3000ORCL =
\u3000\u3000(DESCRIPTION =
\u3000\u3000(ADDRESS_LIST =
\u3000\u3000(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
\u3000\u3000)
\u3000\u3000(CONNECT_DATA =
\u3000\u3000(SERVICE_NAME = ORCL)
\u3000\u3000)
\u3000\u3000)
\u3000\u3000\u5982\u679c\u5728\u540c\u4e00\u53f0\u7535\u8111\u4e0a\u9762\u540c\u65f6\u5b89\u88c5\u4e86Oracle\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\uff0c\u90a3\u4e48\u5728\u670d\u52a1\u7aef\u7684\u5b89\u88c5\u76ee\u5f55\u4e2d\u4e5f\u4f1a\u5b58\u5728\u540c\u6837\u7684\u914d\u7f6e\u6587\u4ef6D:\Oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5982\u679c\u6211\u4eec\u914d\u7f6e\u597d\u4e86\u5ba2\u6237\u7aefNet Manager\u7136\u540e\u8fde\u63a5Oracle\u6570\u636e\u5e93\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\u8fd9\u65f6\uff0c\u4f60\u5c31\u5e94\u8be5\u6000\u7591\uff0c\u6211\u5230\u5e95\u8bbf\u95ee\u7684\u662f\u54ea\u4e2a\u8def\u5f84\u4e0b\u7684\u914d\u7f6e\u6587\u4ef6\u5462\uff1f\u6b64\u65f6\u53ef\u4ee5\u4f7f\u7528tnsping\u547d\u4ee4
\u3000\u3000
\u3000\u3000\u5982\u679c\u4f60\u662f\u5728\u5ba2\u6237\u7aefNet Manager\u4e2d\u914d\u7f6e\u7684\u7f51\u7edc\u670d\u52a1\uff0c\u4f46\u662f\u6b64\u65f6\u89e3\u6790\u51fa\u6765\u7684\u4f7f\u7528\u53c2\u6570\u6587\u4ef6\u5374\u662fD:\Oracle\product\10.2.0\db_1\NETWORK\ADMIN\sqlnet.ora\uff0c\u90a3\u4e48\u6211\u60f3\u4f60\u5e94\u8be5\u660e\u767d\u4e86\u3002\u8fd9\u79cd\u60c5\u51b5\u6709\u4e24\u79cd\u89e3\u51b3\u529e\u6cd5\uff1a
\u3000\u3000\u7b2c\u4e00\uff1a\u5728\u670d\u52a1\u7aef\u7684Net Manager\u4e5f\u914d\u7f6e\u76f8\u540c\u7684\u7f51\u7edc\u670d\u52a1\uff0c\u6216\u8005\u76f4\u63a5\u62f7\u8d1dD:\Oracle\product\10.2.0\client_1\NETWORK\ADMIN\tnsnames.ora\u4e2d\u7684\u914d\u7f6e\u5230D:\Oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora\uff0c\u6bcf\u6b21\u914d\u7f6e\u4e86\u65b0\u7684\u7f51\u7edc\u670d\u52a1\u4f60\u90fd\u9700\u8981\u8fd9\u4e48\u505a\uff0c\u5982\u679c\u4e0d\u60f3\u8fd9\u4e48\u9ebb\u70e6\u90a3\u5c31\u4f7f\u7528\u7b2c\u4e8c\u79cd\u89e3\u51b3\u529e\u6cd5\u3002
\u3000\u3000\u7b2c\u4e8c\uff1a\u4fee\u6539\u7cfb\u7edf\u73af\u5883\u53d8\u91cfPath\u503c\uff0c\u5c06D:\Oracle\product\10.2.0\client_1\bin;\u8def\u5f84\u79fb\u81f3D:\Oracle\product\10.2.0\db_1\bin;\u524d\u9762\u5373\u53ef\u4e00\u52b3\u6c38\u9038\u3002
\u3000\u3000\u6ce8\u610f\uff1a\u9020\u6210\u4ee5\u4e0a\u8fd9\u79cd\u60c5\u51b5\u51fa\u73b0\u7684\u539f\u56e0\u662f\uff1a\u5728\u4e00\u53f0\u7535\u8111\u4e0a\u540c\u65f6\u5b89\u88c5\u4e86oracle\u5ba2\u6237\u7aef\u548c\u6570\u636e\u5e93\u670d\u52a1\uff0c\u5e76\u4e14\u662f\u5148\u5b89\u88c5\u5ba2\u6237\u7aef\uff0c\u518d\u5b89\u88c5\u6570\u636e\u5e93\u670d\u52a1\u9020\u6210\u7684\uff0c\u5982\u679c\u5148\u5b89\u88c5\u6570\u636e\u5e93\u670d\u52a1\uff0c\u518d\u5b89\u88c5\u5ba2\u6237\u7aef\u5c31\u4e0d\u4f1a\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u4e86\u3002
\u3000\u3000\u6839\u636e\u4ee5\u4e0a\u65b9\u5f0f\u914d\u7f6e\u5b8coracle\u540e\uff0c\u76f8\u4fe1\u5728\u7a0b\u5e8f\u4e2d\u5c31\u53ef\u4ee5\u6b63\u5e38\u8fde\u63a5oracle\u6570\u636e\u5e93\u4e86\u3002
\u3000\u3000
\u3000\u3000\u5f53\u6211\u5b89\u88c5\u597dPLSQL Developer\u8f6f\u4ef6\u540e\u767b\u9646\u65f6\u4efb\u7136\u51fa\u73b0\u4e86\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\uff0c\u5982\u679c\u662fWin7,Win8\u7528\u6237\u751a\u81f3\u53ef\u4ee5\u4f1a\u51fa\u73b0\u5f39\u51fa\u4e00\u4e2a\u767d\u6846\u7684\u60c5\u51b5\uff0c\u8fd9\u65f6\u9700\u8981\u4ee5\u7ba1\u7406\u5458\u8eab\u4efd\u8fd0\u884cPLSQL Developer\uff0c\u5e76\u4e14\u786e\u4fdd\u4f60\u7684PLSQL Developer\u662f\u8bfb\u53d6\u7684oracle\u5ba2\u6237\u7aef\u914d\u7f6e\uff0c\u76f4\u63a5\u53d6\u6d88\u767b\u9646\uff0c\u5728PLSQL Developer\u5de5\u5177\u680f\u4e2d\u627e\u5230\u201cTools\u2014>Preferences\u201d\uff0c\u5728Oracle\u7684Connection\u8282\u70b9\u4e2d\u627e\u5230Oracle Home\u9009\u62e9OraClient10g_home1\uff0c\u4fdd\u5b58\u540e\u5173\u95edPLSQL Developer\u5c31\u53ef\u4ee5\u6b63\u5e38\u767b\u9646\u4e86\u3002
\u3000\u3000
\u3000\u3000\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u5b89\u88c5PLSQL Developer\u65f6\u4e0d\u80fd\u5b89\u88c5\u5728\u5e26\u6709\u62ec\u53f7\u7684\u76ee\u5f55\u4e2d\uff0c\u598264bit\u7cfb\u7edf\u7684Program Files (x86)\u76ee\u5f55\uff0c\u5c31\u4f1a\u51fa\u73b0\u65e0\u8bba\u4f60\u600e\u4e48\u8bbe\u7f6e\uff0c\u5b83\u4f9d\u7136\u4e0d\u505c\u7684\u5f39\u51fa\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\u3002\u540c\u6837\u7684\u95ee\u9898\u4e5f\u4f1a\u51fa\u73b0\u5728\u5176\u4ed6Oracle\u6570\u636e\u5e93\u7ba1\u7406\u8f6f\u4ef6\u4e2d\uff0c\u6bd4\u5982Toad for Oracle
\u3000\u3000
\u3000\u3000\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\u662f\u4f7f\u7528Oracle\u6570\u636e\u5e93\u7684\u65b0\u624b\u9047\u5230\u7684\u6bd4\u8f83\u5e38\u89c1\u7684\u95ee\u9898\u4e4b\u4e00\uff0c\u53ea\u8981\u6211\u4eec\u4e86\u89e3\u4e86\u5b83\u7684\u5de5\u4f5c\u65b9\u5f0f\uff0c\u51b7\u9759\u6392\u67e5\uff0c\u76f8\u4fe1\u5f88\u5bb9\u6613\u5c31\u80fd\u591f\u627e\u5230\u95ee\u9898\u7684\u89e3\u51b3\u529e\u6cd5\u7684\u3002
\u76f8\u4fe1\u4f7f\u7528\u8fc7Oracle\u6570\u636e\u5e93\u7684\u4eba\u4e00\u5b9a\u78b0\u5230\u8fc7\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\u9519\u8bef\uff0c\u6211\u5728\u6b64\u505a\u4e00\u4e2a\u5c0f\u5c0f\u7684\u603b\u7ed3\u3002
\u5728\u7a0b\u5e8f\u4e2d\u8fde\u63a5Oracle\u6570\u636e\u5e93\u7684\u65b9\u5f0f\u4e0e\u5176\u4ed6\u5e38\u7528\u6570\u636e\u5e93\uff0c\u5982\uff1aMySql,Sql Server\u4e0d\u540c\uff0c\u8fd9\u4e9b\u6570\u636e\u5e93\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u6307\u5b9aIP\u7684\u65b9\u5f0f\u8fde\u63a5\uff0c\u4f46\u662fOracle\u5219\u9700\u8981\u901a\u8fc7Oracle\u5ba2\u6237\u7aef\u914d\u7f6e\u7f51\u7edc\u670d\u52a1\u540d\u7684\u65b9\u5f0f\u6765\u8fde\u63a5\u3002\u5426\u5219\u5c31\u4f1a\u51fa\u73b0\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\u3002\u914d\u7f6eOracle\u5ba2\u6237\u7aef\u8be6\u7ec6\u6b65\u9aa4\u5982\u4e0b\uff1a
\u5b89\u88c5\u597dOracle\u5ba2\u6237\u7aef\u4e4b\u540e\uff0c\u5728\u5f00\u59cb\u83dc\u5355\u4e2d\u4f9d\u6b21\u627e\u5230\u201cOracle - OraClient10g_home1\u2014>\u914d\u7f6e\u548c\u79fb\u690d\u5de5\u5177\u2014>Net Manager\u201d\u5e76\u6253\u5f00\uff08Win7,Win8\u7528\u6237\u5982\u679c\u6ca1\u6709\u53d6\u5f97Administrator\u8d26\u53f7\u767b\u9646\u9700\u8981\u4ee5\u7ba1\u7406\u5458\u65b9\u5f0f\u8fd0\u884c\uff09\uff0c\u4f9d\u6b21\u5c55\u5f00\u201cOracle Net\u914d\u7f6e\u2014>\u672c\u5730\u2014>\u670d\u52a1\u547d\u540d\u201d\u70b9\u51fb\u5de6\u4fa7\u201c\u52a0\u53f7\u201d\u914d\u7f6e\u65b0\u7684\u7f51\u7edc\u670d\u52a1
\u6700\u540e\uff0c\u70b9\u51fb\u201c\u4e0b\u4e00\u6b65\u201d\u5b8c\u6210\u5373\u53ef\uff0c\u5982\u679c\u4e0d\u77e5\u9053\u6216\u8005\u5fd8\u8bb0Oracle\u670d\u52a1\u540d\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u670d\u52a1\u83b7\u5f97\uff0c\u6bd4\u5982\u6211\u8fd9\u91cc\u914d\u7f6e\u7684\u4e3b\u673a\u540d\u662f\u6211\u672c\u673a\uff0c\u5728\u6211\u7684\u7535\u8111\u670d\u52a1\u4e2d\u627e\u5230oracle\u76f8\u5173\u7684\u670d\u52a1
\u901a\u8fc7\u4e0a\u9762\u7684\u670d\u52a1\u540d\u79f0\uff0c\u53ef\u4ee5\u770b\u51fa\u6211\u5b89\u88c5\u7684\u670d\u52a1\u540d\u5c31\u662f\u201cORCL\u201d\uff0c\u6216\u8005\u5728\u670d\u52a1\u7aef\u901a\u8fc7SQL Plus\u4f7f\u7528sys\u8d26\u53f7\u767b\u9646\uff0c\u8f93\u5165\u547d\u4ee4
show parameter service_name\u67e5\u770b\u3002
OracleDBConsoleORCL\u662fOracle\u7f51\u9875\u7aef\u7ba1\u7406\u5de5\u5177\u7684\u670d\u52a1\uff0c\u8bbf\u95ee\u5730\u5740\u4e00\u822c\u4e3a\u201chttp://127.0.0.1:1158/em/console/logon/logon\u201d\uff0c\u5982\u679c\u4e0d\u4e60\u60ef\u7528\u8fd9\u4e2a\u6765\u7ba1\u7406\u6570\u636e\u5e93\u53ef\u4ee5\u4e0d\u7528\u542f\u52a8\u3002
OracleJobSchedulerORCL\u662f\u7ba1\u7406Oracle\u4e2d\u8ba1\u5212\u4efb\u52a1\u7684\uff0c\u4e00\u822c\u4e0d\u7528\u542f\u52a8\u3002
OracleOraDb10g_home1iSQL*Plus\u662fSQL Plus\u7684\u670d\u52a1\uff0c\u5982\u679c\u4e0d\u4e60\u60ef\u5728\u547d\u4ee4\u884c\u4e0b\u9762\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4e0d\u7528\u542f\u52a8\u3002
OracleServiceORCL\uff0cOracleOraDb10g_home1TNSListener\u90fd\u9700\u8981\u5f00\u542f\uff0c\u524d\u8005\u662f\u4e3b\u670d\u52a1\uff0c\u540e\u8005\u662f\u76d1\u542c\u670d\u52a1\u3002
\u5f53\u5728Oracle\u5ba2\u6237\u7aef\u4e2d\u914d\u7f6e\u597dNet Manager\u4e2d\u914d\u7f6e\u597d\u670d\u52a1\u540e\u5c31\u53ef\u4ee5\u901a\u8fc7\u6211\u4eec\u914d\u7f6e\u7684\u7f51\u7edc\u670d\u52a1\u540d\u8bbf\u95eeOracle\u6570\u636e\u5e93\u4e86\uff0c\u6b64\u914d\u7f6e\u5b9e\u8d28\u60f3D:\Oracle\product\10.2.0\client_1\NETWORK\ADMIN\tnsnames.ora\u4e2d\u589e\u52a0\u4e86\u4e00\u884c\u914d\u7f6e(\u7531\u4e8e\u6211\u7684Oracle\u662f\u5b89\u88c5\u5728D\u76d8Oracle\u76ee\u5f55\u4e2d\uff0c\u5177\u4f53\u8def\u5f84\u6839\u636e\u5b89\u88c5\u65f6\u9009\u62e9\u7684\u8def\u5f84\u800c\u5b9a)\u3002
# tnsnames.ora Network Configuration File: d:\Oracle\product\10.2.0\client_1\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.
ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = ORCL)
)
)
\u5982\u679c\u5728\u540c\u4e00\u53f0\u7535\u8111\u4e0a\u9762\u540c\u65f6\u5b89\u88c5\u4e86Oracle\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\uff0c\u90a3\u4e48\u5728\u670d\u52a1\u7aef\u7684\u5b89\u88c5\u76ee\u5f55\u4e2d\u4e5f\u4f1a\u5b58\u5728\u540c\u6837\u7684\u914d\u7f6e\u6587\u4ef6D:\Oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5982\u679c\u6211\u4eec\u914d\u7f6e\u597d\u4e86\u5ba2\u6237\u7aefNet Manager\u7136\u540e\u8fde\u63a5Oracle\u6570\u636e\u5e93\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\u8fd9\u65f6\uff0c\u4f60\u5c31\u5e94\u8be5\u6000\u7591\uff0c\u6211\u5230\u5e95\u8bbf\u95ee\u7684\u662f\u54ea\u4e2a\u8def\u5f84\u4e0b\u7684\u914d\u7f6e\u6587\u4ef6\u5462\uff1f\u6b64\u65f6\u53ef\u4ee5\u4f7f\u7528tnsping\u547d\u4ee4
\u5982\u679c\u4f60\u662f\u5728\u5ba2\u6237\u7aefNet Manager\u4e2d\u914d\u7f6e\u7684\u7f51\u7edc\u670d\u52a1\uff0c\u4f46\u662f\u6b64\u65f6\u89e3\u6790\u51fa\u6765\u7684\u4f7f\u7528\u53c2\u6570\u6587\u4ef6\u5374\u662fD:\Oracle\product\10.2.0\db_1\NETWORK\ADMIN\sqlnet.ora\uff0c\u90a3\u4e48\u6211\u60f3\u4f60\u5e94\u8be5\u660e\u767d\u4e86\u3002\u8fd9\u79cd\u60c5\u51b5\u6709\u4e24\u79cd\u89e3\u51b3\u529e\u6cd5\uff1a
\u7b2c\u4e00\uff1a\u5728\u670d\u52a1\u7aef\u7684Net Manager\u4e5f\u914d\u7f6e\u76f8\u540c\u7684\u7f51\u7edc\u670d\u52a1\uff0c\u6216\u8005\u76f4\u63a5\u62f7\u8d1dD:\Oracle\product\10.2.0\client_1\NETWORK\ADMIN\tnsnames.ora\u4e2d\u7684\u914d\u7f6e\u5230D:\Oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora\uff0c\u6bcf\u6b21\u914d\u7f6e\u4e86\u65b0\u7684\u7f51\u7edc\u670d\u52a1\u4f60\u90fd\u9700\u8981\u8fd9\u4e48\u505a\uff0c\u5982\u679c\u4e0d\u60f3\u8fd9\u4e48\u9ebb\u70e6\u90a3\u5c31\u4f7f\u7528\u7b2c\u4e8c\u79cd\u89e3\u51b3\u529e\u6cd5\u3002
\u7b2c\u4e8c\uff1a\u4fee\u6539\u7cfb\u7edf\u73af\u5883\u53d8\u91cfPath\u503c\uff0c\u5c06D:\Oracle\product\10.2.0\client_1\bin;\u8def\u5f84\u79fb\u81f3D:\Oracle\product\10.2.0\db_1\bin;\u524d\u9762\u5373\u53ef\u4e00\u52b3\u6c38\u9038\u3002
\u6ce8\u610f\uff1a\u9020\u6210\u4ee5\u4e0a\u8fd9\u79cd\u60c5\u51b5\u51fa\u73b0\u7684\u539f\u56e0\u662f\uff1a\u5728\u4e00\u53f0\u7535\u8111\u4e0a\u540c\u65f6\u5b89\u88c5\u4e86oracle\u5ba2\u6237\u7aef\u548c\u6570\u636e\u5e93\u670d\u52a1\uff0c\u5e76\u4e14\u662f\u5148\u5b89\u88c5\u5ba2\u6237\u7aef\uff0c\u518d\u5b89\u88c5\u6570\u636e\u5e93\u670d\u52a1\u9020\u6210\u7684\uff0c\u5982\u679c\u5148\u5b89\u88c5\u6570\u636e\u5e93\u670d\u52a1\uff0c\u518d\u5b89\u88c5\u5ba2\u6237\u7aef\u5c31\u4e0d\u4f1a\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u4e86\u3002
\u6839\u636e\u4ee5\u4e0a\u65b9\u5f0f\u914d\u7f6e\u5b8coracle\u540e\uff0c\u76f8\u4fe1\u5728\u7a0b\u5e8f\u4e2d\u5c31\u53ef\u4ee5\u6b63\u5e38\u8fde\u63a5oracle\u6570\u636e\u5e93\u4e86\u3002
\u5f53\u6211\u5b89\u88c5\u597dPLSQL Developer\u8f6f\u4ef6\u540e\u767b\u9646\u65f6\u4efb\u7136\u51fa\u73b0\u4e86\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\uff0c\u5982\u679c\u662fWin7,Win8\u7528\u6237\u751a\u81f3\u53ef\u4ee5\u4f1a\u51fa\u73b0\u5f39\u51fa\u4e00\u4e2a\u767d\u6846\u7684\u60c5\u51b5\uff0c\u8fd9\u65f6\u9700\u8981\u4ee5\u7ba1\u7406\u5458\u8eab\u4efd\u8fd0\u884cPLSQL Developer\uff0c\u5e76\u4e14\u786e\u4fdd\u4f60\u7684PLSQL Developer\u662f\u8bfb\u53d6\u7684oracle\u5ba2\u6237\u7aef\u914d\u7f6e\uff0c\u76f4\u63a5\u53d6\u6d88\u767b\u9646\uff0c\u5728PLSQL Developer\u5de5\u5177\u680f\u4e2d\u627e\u5230\u201cTools\u2014>Preferences\u201d\uff0c\u5728Oracle\u7684Connection\u8282\u70b9\u4e2d\u627e\u5230Oracle Home\u9009\u62e9OraClient10g_home1\uff0c\u4fdd\u5b58\u540e\u5173\u95edPLSQL Developer\u5c31\u53ef\u4ee5\u6b63\u5e38\u767b\u9646\u4e86\u3002
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u5b89\u88c5PLSQL Developer\u65f6\u4e0d\u80fd\u5b89\u88c5\u5728\u5e26\u6709\u62ec\u53f7\u7684\u76ee\u5f55\u4e2d\uff0c\u598264bit\u7cfb\u7edf\u7684Program Files (x86)\u76ee\u5f55\uff0c\u5c31\u4f1a\u51fa\u73b0\u65e0\u8bba\u4f60\u600e\u4e48\u8bbe\u7f6e\uff0c\u5b83\u4f9d\u7136\u4e0d\u505c\u7684\u5f39\u51fa\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\u3002\u540c\u6837\u7684\u95ee\u9898\u4e5f\u4f1a\u51fa\u73b0\u5728\u5176\u4ed6Oracle\u6570\u636e\u5e93\u7ba1\u7406\u8f6f\u4ef6\u4e2d\uff0c\u6bd4\u5982Toad for Oracle
\u201cORA-12154: TNS: \u65e0\u6cd5\u89e3\u6790\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u201d\u662f\u4f7f\u7528Oracle\u6570\u636e\u5e93\u7684\u65b0\u624b\u9047\u5230\u7684\u6bd4\u8f83\u5e38\u89c1\u7684\u95ee\u9898\u4e4b\u4e00\uff0c\u53ea\u8981\u6211\u4eec\u4e86\u89e3\u4e86\u5b83\u7684\u5de5\u4f5c\u65b9\u5f0f\uff0c\u51b7\u9759\u6392\u67e5\uff0c\u76f8\u4fe1\u5f88\u5bb9\u6613\u5c31\u80fd\u591f\u627e\u5230\u95ee\u9898\u7684\u89e3\u51b3\u529e\u6cd5\u7684\u3002
这是配置问题，要分别检查listenter.ora 和tnsname.ora这两个文件
如下图：
红色字体为添加内容，具体oralce_home及相关信息，根据实际情况，good luck
我的net 服务中有个多余的ifile，通过Net Configuration Assistant-本地net服务名配置删除后，即可连接；
PL/SQL看看登陆的时候用户名口令下边有个数据库，别选错了九成是这个错误，如果没解决，欢迎追问。如果你不知道自己用的是哪个数据库，可以计算机右键，管理，服务，找到oracle开头的服务名字，能够找到你的数据库。也可以通过oracle自带的管理工具。一般默认是orcl或者xe
绛旓細ORA-12154: TNS: 鏃犳硶瑙ｆ瀽鎸囧畾鐨勮繛鎺ユ爣璇嗙 闂 鐩镐俊浣滀负ORACLE鏁版嵁搴撶殑寮鍙戜汉鍛樻病鏈夊皯纰板埌鈥淥RA-12154: TNS: 鏃犳硶瑙ｆ瀽鎸囧畾鐨勮繛鎺ユ爣璇嗙鈥濓紝浠婂ぉ鎴戜篃鍙堢鍒颁簡绫讳技鐨勬儏鍐碉紝灏嗘垜鐨勮В鍐虫柟娉曡繘琛屽皬缁擄紝甯屾湜鑳藉纰板埌鍚屾牱闂鐨勫弸浜轰滑鎻愪緵甯姪銆傞棶棰樺満鏅弿杩帮細鏈嶅姟鍣ㄧ鐗堟湰锛歰racle 10.2.0.10 瀹㈡埛绔増鏈細...
绛旓細ora-12154 TNS锛鏃犳硶澶勭悊鏈嶅姟鍚 鏈夋椂鍊欐庝箞閰嶇疆TNSNAMES.ORA閮藉嚭鐜皁ra-12154 TNS锛氭棤娉曞鐞嗘湇鍔″悕鐨勯敊璇紒鍏跺疄鏍规嵁oracle鐨勭増鏈殑涓嶅悓锛岄厤缃殑瀛楃涓蹭篃鏈夋墍涓嶅悓銆傛瘮濡傦細oracle8.1.5鐨凷QLNET.ORA鏂囦欢鐨勫唴瀹规槸杩欐牱鐨勶細璺緞锛歰rant\NET80\ADMIN\SQLNET.ORATRACE_LEVEL_CLIENT = OFF sqlnet.authentication_...
绛旓細鏁版嵁搴撴湇鍔℃病鍚姩鍚с傚彸閿滄垜鐨勭數鑴戔--绠＄悊--鏈嶅姟鍜屽簲鐢ㄧ▼搴--鏈嶅姟锛屽湪閲岄潰鎵句綘鐨勬暟鎹簱鏈嶅姟鏄惁鍚姩銆
绛旓細璇存槑C# 娌℃湁璁ゅ埌浣犵殑tnsnames.ora 浣犲彲浠ヤ笉渚濊禆浜巘nsnames.ora ,渚嬪鐩存帴鍦―ata Source鍐欐竻妤氬涓嬬櫥闄嗕俊鎭紝鑰屼笉渚濊禆tnsnames.ora Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=MyHost)(PORT=MyPort))(CONNECT_DATA=(SERVICE_NAME=MyOracleSID)));User Id=myUsername;Password=myPassword;db...
绛旓細锛1锛塐racle鏈嶅姟鍣ㄦ病鏈夎濂(涓鑸笉寤鸿閲嶈锛屽洜涓篛racle鍗歌浇涓嶅畬鍏ㄦ槸娌℃硶閲嶈鐨)锛2锛TNS娌℃湁閰嶇疆 鐜板湪鏈枃缁欏嚭瑙ｅ喅鏂规锛氱幇鍦ㄥ厛娴嬭瘯涓涓tns鏄惁鍙互ping锛屾垚鍔熺殑鐣岄潰澶ц嚧濡備笅 杩欓噷鍐欏浘鐗囨弿杩 锛1锛夊湪oracle瀹夎璺緞鐨則ns閰嶇疆鏂囦欢閲屾坊鍔犲涓嬩唬鐮 tnsnames.ora Network Configuration File: d:\Oracle\product...
绛旓細1銆佷及璁¤闂湰鍦版暟鎹簱鏃跺苟娌″幓璇籇:\oracle\ora92\network\admin\涓殑Tnsnames閰嶇疆锛岃繕鏄幓璇籆lient涓嬬殑Tnsnames閰嶇疆銆備綘鎶婅繖涓や釜Tnsnames閰嶇疆閮戒竴鏍疯瘯璇曘2銆佹敞鎰廝L/SQL Developer鐨勫垵濮嬮厤缃甇racle涓荤洰褰曞悕銆
绛旓細orcl杩欎釜浠ｈ〃鐨勬槸杩炴帴鐨勬湇鍔″悕銆備笉鏄暟鎹簱鍚嶃傛湇鍔″悕鍦ㄤ綘鐨勫紑濮嬭彍鍗昽racle涓壘鍒伴厤缃Щ妞嶅伐鍏枫傛壘鍒皀et manager涓厤缃傚洜涓轰綘杩炴帴鐨勬槸鏈満銆傛墍浠ュ彲浠ユ棤闇鍐欐湇鍔″悕銆傚鏋滃埌鍏徃銆備綘鍙兘杩炴帴鍏徃鐨勪笓鐢ㄧ殑鏁版嵁搴撴満鍣ㄣ傚繀椤昏鐭ラ亾鏈嶅姟鍚嶆墠鑳界櫥鍏ャ
绛旓細浣犲簲璇ユ墦寮瀹夎PL/SQL鐨勮矾寰勶紝鍦ㄥ畨瑁呮枃浠朵腑鎵惧埌orclient 杩欎釜鏂囦欢澶癸紝杩涘幓涔嬪悗鏈塼nsnames銆ora 杩欎釜鏂囦欢锛岃鍒板緢澶氬悇涓嶅悓鏁版嵁搴,host="浣犳湰鏈虹殑IP 鎴栬 灞鍩熺綉涓殑IP鍦板潃"port 涓鑸粯璁1521 service_name="浣犺杩炴帴鐨勬暟鎹簱鍚"寮澶寸殑db1鏈濂戒笌service_name鍚屽悕 甯屾湜鑳藉府鍔╀綘 ...
绛旓細ORA-12154: TNS: 鏃犳硶瑙ｆ瀽鎸囧畾鐨勮繛鎺ユ爣璇嗙,瑙ｅ喅鎬濊矾锛氳繖绉嶆儏鍐垫垜閬囧埌杩囧嚑娆★紝涓鑸槸鍥犱负鐢32浣嶇殑瀹㈡埛绔幓閾炬帴64浣嶇殑oracle鏈嶅姟绔埌璐︾殑涓嶅吋瀹归棶棰橈紝鍦ㄨ繖绉嶆儏鍐典笅锛屾垜浠渶瑕佸湪鏈満淇敼2澶勭幆澧冨彉閲忋備慨鏀逛竴锛氫慨鏀圭幆澧冨彉閲廜RACLE_HOME寰楀奸厤缃紝瑕佹寚鍚憃racle\product\10.2.0\client_1 淇敼浜岋細鍦ㄧ洃鍚...
绛旓細鐪嬪乏涓婅鐨凘鍚庨潰鐨勬槸鍚﹀搴
