How to resolve cupsLastError(0x1002, 0x40a)

[shinxxxxwon]

Printing was implemented using CUPS in Android. TLS used boringssl.

Printing occurs normally, but job_id returns -1 for certain printers (printers that require TLS). As a result of checking the log, cupslasterror() was returning 0, but now returning 1002 and 40a. I linked TLS/SSL with boringssl. What is the cause of this problem?

Library I used android code

CUPS

Boringssl

boringssl was built as a dynamic library (.so) for Android and added to the project.