ORA-32154: Anydata context not specified
Cause: A null anydata context was passed.
Action: Pass a valid, non-null anydata context.
ORA-32154：是Oracle之发生在使用Anydata类型时抛出的异常.
Cause: An attempt had been made to retrieve or manipulate anydata contents without a context being specified.
Action: Specify a context when trying to retrieve or manipulate anydata contents.
案例一：使用anysys时，未设置上下文
当使用anydia时，未设置上下文，就会抛出ORA-32154：anydata context not specified异常.
案例二：使用anysys时未设置type code
当从anydia变量中获取数据时，若没有正确设置type code，就会抛出ORA-32154：anydata context not specified异常.
1.检查是否正确设置了Anydata的上下文；
2.检查在从Anydata变量中获取数据时，是否正确设置了type code；
3.若以上检查均正常，则检查是否有其他原因导致ORA-32154异常.