JDK-8298469 : Obsolete legacy parallel class loading workaround for non-parallel-capable class loaders
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 21
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2022-12-09
  • Updated: 2023-03-23
  • Resolved: 2023-03-17
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JDK 21
21 b15Fixed
Related Reports
CSR :  
JDK-8304056 - Obsolete legacy parallel class loading workaround for non-parallel-capable class loaders
Duplicate :  
JDK-8298444 - Obsolete the EnableWaitForParallelLoad flag in JDK 21
Relates :  
JDK-8295673 - Deprecate and disable legacy parallel class loading workaround for non-parallel-capable class loaders
Relates :  
JDK-8293174 - Implement special unlocked parallel class loading handling in Java
Sub Tasks
JDK-8303967 :  
Release Note: Obsolete legacy HotSpot parallel class loading workaround option -XX:+EnableWaitForParallelLoad - Resolved
Description
Mark the flag EnableWaitForParallelLoad as obsolete and remove the code that causes class loading to wait for an unsynchronized parallel loader.  See attached issue for more details.
Wait until JDK 20 is release for a little while before doing this.
Comments
Changeset: 932be354 Author: Coleen Phillimore <coleenp@openjdk.org> Date: 2023-03-17 18:56:05 +0000 URL: https://git.openjdk.org/jdk/commit/932be3542d3d82b7da76ef3b82bf76231daf2aa6
17-03-2023
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/12974 Date: 2023-03-10 13:41:15 +0000
10-03-2023
[~coleenp] I had already filed JDK-8298444 for this (as I spotted it was missing when I did the expired flags for 21 update). I will close that as a duplicate of this one.
11-12-2022