logging-log4j2 rel/2.26.1

This patch release delivers certain fixes on top of 2.26.0.

Changed

• Improve logging for LinkageError scenarios involving the LMAX Disruptor library (#2250, #4124)

Fixed

• Fix the createOnDemand behavior of RollingFileAppender to correctly defer file and directory creation until the first log event, while preserving eager creation when disabled. (#2006, #4072)
• Improve documentation for locale handling in the Pattern Layout date pattern converter (#4129, #4130)
• Fix handling of non-finite numbers while encoding MapMessage to JSON (#4163)
• Fix encoding of MSGID and SD-ID fields of StructuredDataMessage to XML (#4136)
• Fix stack trace rendering for exceptions with identity malfunction (e.g., colliding equals() and/or hashCode() implementations) (#3933, #4133)
• Fix resource leaks in ConfigurationSource when loading configuration via URL fails (#4127)
• Fix KafkaAppender reporting error to error handler even after a successful retry (#4125)

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Source apache/logging-log4j2 · rel/2.26.1 · 2026-07-02 · upstream release

Mirrored verbatim for indexing. All rights belong to the upstream project.