Scott Yuan created SLING-12519:
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Summary: Dangerous instance of double-checked locking used in
wrapper/ScriptableBase.java
Key: SLING-12519
URL: https://issues.apache.org/jira/browse/SLING-12519
Project: Sling
Issue Type: Improvement
Components: Scripting
Affects Versions: Scripting JavaScript 3.1.4
Reporter: Scott Yuan
Attachments: image-2024-12-02-11-52-14-376.png
When activating forked stream SonarQube testing, it was discovered that
wrapper/ScriptableBase (line #49) uses an outdated and generally discouraged
pattern known as double-checked locking. This practice is marked as potentially
dangerous, as highlighted by SonarQube's rule S2168.
!image-2024-12-02-11-52-14-376.png!
To resolve this issue, replace the double-checked locking mechanism with
method-level synchronization. This change will enhance the reliability of the
Apache Sling Script JavaScript Support implementation.
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