> If a base class is package-private then its subclasses should have the same > package name and defining class loader, otherwise `IllegalAccessError` is > thrown when linking a subclass. Currently when dumping a static archive > separate `URLClassLoader`s are used for each unregistered classes' source. > Thus if two unregistered classes, a package-private base class and a sub > class, from the same package reside in different sources `IllegalAccessError` > will be thrown when linking the sub class. This can be unexpected because the > app could have used a single class loader for both classes and thus not have > seen the error — see `DifferentSourcesApp.java` from this patch for an > example of such app. > > This patch fixes the issue by using a single class loader for all > unregistered classes. CDS does not allow classes with the same name making > such solution possible.
Timofei Pushkin has updated the pull request incrementally with two additional commits since the last revision: - Fix indentation - Extend ClassFromClasspath test ------------- Changes: - all: https://git.openjdk.org/jdk/pull/24223/files - new: https://git.openjdk.org/jdk/pull/24223/files/903f0f97..d2e51dac Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=24223&range=06 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24223&range=05-06 Stats: 75 lines in 3 files changed: 62 ins; 0 del; 13 mod Patch: https://git.openjdk.org/jdk/pull/24223.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/24223/head:pull/24223 PR: https://git.openjdk.org/jdk/pull/24223