8342002: sun/security/tools/keytool/GenKeyPairSigner.java failed due to missing certificate output

[GoeLin]

Follow up of JDK-8340327.

This should be clean and only touching 2 files.
Let's see whether Skara understands this at some point.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8342002 needs maintainer approval

Integration blocker

 ⚠️ Dependency #2950 must be integrated first

Issue

• JDK-8342002: sun/security/tools/keytool/GenKeyPairSigner.java failed due to missing certificate output (Bug - P2)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/2953/head:pull/2953
$ git checkout pull/2953

Update a local copy of the PR:
$ git checkout pull/2953
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/2953/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2953

View PR using the GUI difftool:
$ git pr show -t 2953

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/2953.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back goetz! A progress list of the required criteria for merging this PR into pr/2950 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @GoeLin This pull request contains merges that bring in commits not present in the target repository. Since this is not a "merge style" pull request, these changes will be squashed when this pull request in integrated. If this is your intention, then please ignore this message. If you want to preserve the commit structure, you must change the title of this pull request to Merge <project>:<branch> where <project> is the name of another project in the OpenJDK organization (for example Merge jdk:master).

[mlbridge]

Webrevs

• 01: Full - Incremental (a3647216)
• 00: Full (a3647216)