文档解释
ORA-28533: Heterogeneous Services coercion handling error
Cause: The Heterogeneous Services encountered an error in coercion handling. The HS can, if the agent vendor so chooses, perform extra processing on SQL statements that contain implicit coercions or that contain coercion functions such as TO_CHAR, TO_NUMBER or TO_DATE. This functionality is controlled by coercion-related capabilities. HS logic reports this error when it encounters an error in one of these capability definitions.
Action: The capability table settings are controlled by the agent vendor and can be modified by the DBA. Contact your DBA and agent vendor and get the correct set of capabilities installed.
ORA-28533:Heterogeneous Services处理错误 是Oracle数据库错误,它表示客户端尝试从Heterogeneous Services连接外部数据源时出错。
官方给出的解释是:当客户端未能完全连接Heterogeneous Services并且尝试在该架构下与加载表或其他数据源进行通信时,ORA-28533可能会发生。
常见案例是:其他数据库与Oracle数据库之间执行连接步骤时,可能会因Heterogeneous Services而产生ORA-28533的错误。
正常的处理方法及步骤包括以下几点:
1.检查该数据源是否已正确配置并可使用,或者可能因为交叉网络限制而无法连接。
2.检查配置文件init.ora和listener.ora以确定Heterogeneous Services相关参数已设置为正确值。
3.检查数据源链接字符串,以确保信息的正确性。
4.如果所有步骤都正确,但仍会出现ORA-28533错误,可以启用跟踪功能来识别所有错误消息以及相关的步骤和步骤。
此外,您还可以尝试停用Heterogeneous Services重新启动,然后重新配置它,以确保它从正确的配置文件加载。