A terminally deprecated method in sun.misc.Unsafe has been called

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#2,808 2 comments 8 reactions 0 assignees View on GitHub

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
java
Domain
build-system, tooling

Research direction

Reproduce the warning with JDK 25 and inspect the com.diffplug.spotless.java.ModuleHelper path in spotless-lib 4.1.0, using the Maven Spotless apply output as the starting point. Done means the terminal deprecation warning is no longer emitted while formatting still completes successfully.

Written by the indexing model from the issue text.

Description

With JDK 25 we have:

[INFO] --- spotless:3.1.0:apply (default) @ ...
[INFO] Index file does not exist. Fallback to an empty index
WARNING: A terminally deprecated method in sun.misc.Unsafe has been called
WARNING: sun.misc.Unsafe::staticFieldBase has been called by com.diffplug.spotless.java.ModuleHelper (file:/../.m2/repository/com/diffplug/spotless/spotless-lib/4.1.0/spotless-lib-4.1.0.jar)
WARNING: Please consider reporting this to the maintainers of class com.diffplug.spotless.java.ModuleHelper
WARNING: sun.misc.Unsafe::staticFieldBase will be removed in a future release
Dominant language
Java
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Avg merge
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Merged PRs (30d)
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