ORA-53820: Invalid locator path string

文档解释

ORA-53820: Invalid locator path string

Cause: A locator path for an attribute was invalid.

Action: Please verify the locator path is properly constructed. All attribute used in the locator path must be defined in the DICOM standard and must not be retired. An attribute that is not the last one of the locator path must be a sequence type. If the locator path is correct, please verify the DICOM data dictionary is up-to-date. If the data dictionary is obsolete, please use the ORD_DICOM_ADMIN API to update the data dictionary.

ORA-53820: Invalid locator path string表示提供的索引路径字符串无效。

官方解释

ORA-53820: invalid locator path string

Cause: A locator string was provided that was not formatted properly.

Action: Provide a valid locator path string.

常见案例

此错误通常发生在您试图创建一个Locator对象来查找一个XML文档时，或者在调用XMLType的existsNode()方法时，该方法接收一个locator string来指定搜索节点的路径。

一般处理方法及步骤

1. 检查所提供的索引路径字符串，确保其格式正确。

2. 使用完全路径来查找文档，而不是使用相对路径。

3. 将Oracle XML标识符字符（例如[0]或[last()-1]）与XML中实际字符结合起来，以确保正确构建路径。

4. 使用to_char函数可以确保所提供的字符串格式为正确的UTF-8编码，以避免乱码问题