网站介绍：文章浏览阅读4.6k次。**问题：**使用cx_Oracle连接oracle时报错cx_Oracle.DatabaseError: Error while trying to retrieve text for error ORA-01804sample code:import cx_Oracleconn = cx_Oracle.connect(user,pwd, self.ois_tns)**解决：**排查服务器执行该代码的Linux用户下的 .bash_profile中，关于oracle的环境变量设置情况，如下：ex_error while trying to retrieve text for error ora-01804
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