cx_Oracle.InterfaceError: not connected 错误通常是由于 Python 应用程序未能成功连接到 Oracle 数据库引起的。为了解决这个问题,你可以按照以下步骤进行排查和修复: 确认cx_Oracle库已正确安装且版本适配: 确保你已经安装了与你的 Python 版本和 Oracle 数据库版本兼容的 cx_Oracle 库。你可以通过以下命令来安装或更...
但面临问题。import cx_Oracledef query(sql): connection = cx_Oracle.connect("username/password@s<url>/db") cursor = connection.cursor() cursor.execute(sql) result = cursor.fetchall() return resultv = [10]rdd = sc.parallelize(v).coalesce(1)rdd.foreachPartition(lambda x : [query("UPDATE...
即使在成功连接的情况下,您也可能应该删除显式close。取而代之的是,让作用域结束来做清理。
logger.info("successfully connected as SYSDBA")except(cx_Oracle.OperationalError, cx_Oracle.DatabaseError, cx_Oracle.InterfaceError):try: self.connector = cx_Oracle.connect(dsn=self.__dsn, user=self.user, password=self.password)except(cx_Oracle.OperationalError, cx_Oracle.DatabaseError, cx_Oracle....
I know I am in a grey area here but I thought I would give it shot. Any help would be greatly appreciated. If there is a better venue for this please advise. cx_Oracle works perfectly from IDLE and sqlplus does also I am trying to get it...
可以通过下面的命令进行安装: $ pip install -i https://pypi.douban.com/simple cx_oracle 使用前...
My workaround was to try patch sqlalchemy.dialects.oracle.cx_oracle.OracleDialect_cx_oracle.is_disconnect and it worked. def patched_is_disconnect(self, e, connection, cursor): err_msg = "connection was closed" # patched (error,) = e.args if isinstance( e, (self.dbapi.InterfaceError, ...
self.connector = cx_Oracle.connect(dsn=self.__dsn, user=self.user, password=self.password, mode=cx_Oracle.SYSDBA) logger.info("successfully connected as SYSDBA")except(cx_Oracle.OperationalError, cx_Oracle.DatabaseError, cx_Oracle.InterfaceError), ex:if"Oracle Client library"instr(ex): ...
dbapi.InterfaceError): return "not connected" in str(e) elif hasattr(error, 'code'): # ORA-00028: your session has been killed # ORA-03114: not connected to ORACLE # ORA-03113: end-of-file on communication channel # ORA-03135: connection lost contact # ORA-01033: ORACLE initialization...
Apache Spark是一个大数据处理引擎,与MapReduce相比具有多个优势。通过删除Hadoop中的大部分样板代码,Spark...