RFR: 8349206: j.u.l.Handler classes create deadlock risk via synchronized publish() method

[Chen Liang]

On Thu, 6 Feb 2025 12:07:57 GMT, David Beaumont <duke at openjdk.org> wrote:

> 8349206: j.u.l.Handler classes create deadlock risk via synchronized publish() method.
> 
> 1. Remove synchronization of calls to publish() in Handlers in java.util.logging package.
> 2. Add explanatory comments to various affected methods.
> 3. Add a test to ensure deadlocks no longer occur.
> 
> Note that this change does not address issue in MemoryHandler (see JDK-8349208).

src/java.logging/share/classes/java/util/logging/FileHandler.java line 2:

> 1: /*
> 2:  * Copyright (c) 2000, 2024, 2025, Oracle and/or its affiliates.

We usually just include the initial creation and the latest update years, so `2020, 2025,` is sufficient and `2024,` can be removed.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/23491#discussion_r1945043551