RFR: 8277165: jdeps --multi-release --print-module-deps fails if module-info.class in different versioned directories

[Alan Bateman]

On Tue, 23 Nov 2021 20:54:55 GMT, Mandy Chung <mchung at openjdk.org> wrote:

> jdeps intends to report an error if there are multiple versions of the same class being parsed.   module-info.class should be excluded from such detection.
> 
> This patch also fixes a data race in `VersionHelper::set` and also unwraps the `ExecutionException` when FutureTask of parsing the classes throws an exception to report `MultiReleaseException` properly.

Marked as reviewed by alanb (Reviewer).

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/DependencyFinder.java line 277:

> 275:                 throw (Error)t;
> 276:             } else {
> 277:                 throw new Error(e);

A minor suggestion is that you could avoid the casts with:

Throwable cause = ...
if (cause instanceof RuntimeException e) {
    throw e;
} else if (cause instanceof Error e) {
    throw e;
} else {

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PR: https://git.openjdk.java.net/jdk/pull/6530