"Invalid number"; Java.lang.Integer cannot is cast to java.lang.String

The data is suddenly not found on the page today, the approximate SQL statement is

Select XX, xxx from Table A where A.LRMB in

(6101060033,
61010503300,
61016666645) Order BY xxx desc

Error message is "Invalid number", soon found is LRBM this field in the number of no quotation marks, and has been able to query out the data, it is likely that someone in the database manually added a piece of data, the data of the LRBM field type is wrong, and later in their own local

Test an error in the database Oh, test the data.

And then came up with a very strange question.

Execute the last sentence of this code: Java.lang.Integer cannot is cast to Java.lang.String, it was really strange at that time, but then step by step check, finally found in the third step when there is a problem, in fact, the brain is not difficult to find, only the third step is the greatest possibility of error.

Test it, especially with things that you haven't used and don't know the underlying principles.

"Invalid number"; Java.lang.Integer cannot is cast to java.lang.String