Integrated: 8273826: Correct Manifest file name and NPE checks

[Sean Coffey]

On Wed, 6 Oct 2021 16:58:51 GMT, Sean Coffey <coffeys at openjdk.org> wrote:

> Use correct manifest file name in the Manifest verifier checks. 
> Also - extra null check
> 
> The test doesn't reproduce the exact issue reported but should prevent future regressions in this area.

This pull request has now been integrated.

Changeset: 03a8d342
Author:    Sean Coffey <coffeys at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/03a8d342b86e720d3cba08d540182b4ab161fba3
Stats:     139 lines in 5 files changed: 128 ins; 2 del; 9 mod

8273826: Correct Manifest file name and NPE checks

Reviewed-by: weijun, hchao, mullan

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PR: https://git.openjdk.java.net/jdk/pull/5841