RFR: 8281234: The -protected option is not always checked in keytool and jarsigner [v2]

[Sean Mullan]

On Fri, 4 Feb 2022 01:19:51 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> The option means there is no need to provide a password when loading a keystore. In some places in jarsigner and keytool, even with the option specified, password is still prompted for or warnings are still shown.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   only expand system property if it has a name

Marked as reviewed by mullan (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/7339