Help Center/ Application Performance Management/ FAQs（2.0）/ JavaAgent Connection FAQs/ What Can I Do If the APM Agent Fails to Be Connected and "sk not match" Is Displayed?
Updated on 2026-07-29 GMT+08:00
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What Can I Do If the APM Agent Fails to Be Connected and "sk not match" Is Displayed?

Cause 1: The SK is incorrect.

Solution: Ensure that the SK in the apm.config file is the same as that on the page.

Cause 2: The SK has been encrypted, but the decryption fails.

Solution: Place the decryption package in the apm-javaagent/ext directory and try again. For details, see Access Keys.