RFR: 8287971: Throw exception for missing values in .jpackage.xml

[Alexey Semenyuk]

On Mon, 13 Jun 2022 17:01:48 GMT, Alexander Matveev <almatvee at openjdk.org> wrote:

> - Error will be thrown if app image is generated with another JDK version or has malformed .jpackage.xml.
>  - Re-fixed as Alexey suggested in https://github.com/openjdk/jdk/pull/9098.

src/jdk.jpackage/share/classes/jdk/jpackage/internal/AppImageFile.java line 68:

> 66:     private final List<LauncherInfo> addLauncherInfos;
> 67:     private final String signedStr;
> 68:     private final String appStoreStr;

What is the idea of this change?

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PR: https://git.openjdk.org/jdk19/pull/9