The jmap Tool Fails with an "AssertionFailure: can not get class data for sun/net/ExtendedOptionsImpl$$Lambda" Error (Doc ID 1994232.1)

Last updated on JUNE 05, 2021

Applies to:

Java SE JDK and JRE - Version 8 and later
Information in this document applies to any platform.

On Java SE 8 update 20 or later, 64-bit, on Solaris/Linux, jmap -F fails to dump the heap with the following error:

	To view full details, sign in with your My Oracle Support account.
	Don't have a My Oracle Support account? Click to get started!

In this Document

Symptoms

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.