ORA-31606: XML context number does not match any previously allocated context

文档解释

ORA-31606: XML context number does not match any previously allocated context

Cause: A method in package UTL_XML was called with an invalid XML context handle. All handles must have previously been allocated by UTL_XML.XMLINIT.

Action: Always call XMLINIT before any other methods in pkg. UTL_XML.

ORA-31606错误是Oracle数据库中发生的，出现它的原因是XML上下文编号不匹配之前分配的任何上下文编号。

官方解释

常见案例

一般处理方法及步骤

1.首先，确保您使用的XML上下文编号属于数据库中的编号；

2.其次，确保dBMS_XMLSchema中调用的缓冲池是真正存在的；

3.最后，确保不要忽略任何参数，尤其是XML上下文编号。