On Thu, 1 Jun 2023 06:40:04 GMT, Alan Bateman <al...@openjdk.org> wrote:
> Thread.countStackFrames is/was an ill-defined method that dates from JDK 1.0 > for counting the stack frames of a suspended Thread. The method was > deprecated in JDK 1.2 (1998), deprecated for removal in Java 9, and > re-specified/degraded to throw UOE unconditionally in Java 14. Java 22 would > be a fine time to finally remove this method. > > Code that wants to count stack frames should be directed to use > j.l.StackWalker, or if a tool, then it can use JVM TI and other tool APIs. > > A corpus analysis of 30M classes in 131k artifacts from Maven Central found > only 1 usages to this method. The 1 usage appears to be a class that just > wraps all methods, it doesn't actually make use of it. This pull request has now been integrated. Changeset: b2a5271e Author: Alan Bateman <al...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/b2a5271e7451a7546a8293fc4bc4ccfaa1ffb0d7 Stats: 20 lines in 2 files changed: 0 ins; 17 del; 3 mod 8309196: Remove Thread.countStackFrames Reviewed-by: rriggs, mchung, dholmes, jpai, iris ------------- PR: https://git.openjdk.org/jdk/pull/14257