> Please review this fix for JEP 493 enabled JDKs related to the > `--limit-modules` option. The existing jlink `bindservices` tests cover this > issue. Previously they didn't run on a JEP 493 enabled JDK, since `jmods` > folder is missing for them. > > The gist of the issue is that multiple `ModuleFinder`s were at play. In > particular, when linking from the run-time image a finder is being set up > based solely on the module-path. Which in that case only contains the > application modules (not the JDK dependencies). So if the `--limit-modules` > clause included any JDK modules that the app needs as a dependency the finder > would fail because the module specified in the `--limit-modules` clause > didn't exist in the finder's look-up space. > > [A similar case > happens](https://bugs.openjdk.org/browse/JDK-8345573?focusedId=14729247&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14729247) > for a regular JDK build where `ALL-MODULE-PATH` is being used together with > `--limit-modules`. In that case, the `FindException` is being thrown when the > `root` set of modules are attempted to get assembled. > > The fix that I'm proposing here is two fold: > > 1. Distinguish whether or not we ought to resolve the JDK modules from the > run-time image or not. > 2. Based on that information set up the finders as appropriate and use the > same finders when assembling the module root set. > > I think this makes for a cleaner implementation and also fixes the > `--limit-modules` issue when linking from the run-time image as any finder > that is being limited has already been properly set up to include > dependencies (if need be). > > Testing: > > - [ ] GHA > - [x] jlink tests in `test/jdk/tools/jlink` on a regular JDK build and on a > build with `--enable-linkable-runtime`. Both test runs show all tests passing. > > Thoughts?
Severin Gehwolf has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision: - Merge branch 'master' into jdk-8345573-runtime-link-limit-mods - Another fix for the incomplete jmods in default mod-path case - More test changes - 8345573: Module dependencies not resolved from run-time image when --limit-module is being used ------------- Changes: - all: https://git.openjdk.org/jdk/pull/22609/files - new: https://git.openjdk.org/jdk/pull/22609/files/bbdd431b..383d0685 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=22609&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22609&range=00-01 Stats: 1547 lines in 478 files changed: 698 ins; 646 del; 203 mod Patch: https://git.openjdk.org/jdk/pull/22609.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22609/head:pull/22609 PR: https://git.openjdk.org/jdk/pull/22609
