apache/logging-log4j2

Apache Log4j is a versatile, feature-rich, efficient logging API and backend for Java.

Stars: 3.6k
Forks: 1.7k
Open beginner issues: 0
Indexed issues: 157
Avg merge: 21h 30m
Merged PRs (30d): 27

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

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157 open issues indexed

Predefined ANSI styles (Style=Spock, Style=Kirk) never apply Open

apache/logging-log4j2#4254 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ConsoleAppender ignores immediateFlush, bufferedIo and bufferSize Open

appenders bug

apache/logging-log4j2#4262 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Document XML parser features used for configuration files and clarify Log4j 1 bridge properties Open

documentation

apache/logging-log4j2#4263 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
AsyncLogger ignores Thread.setName() changes despite the UNCACHED strategy since 2.25.0 Open

waiting-for-maintainer

apache/logging-log4j2#4275 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ThrowableStackTraceRenderer throws NullPointerException when Throwable.getCause() returns different instances Open

waiting-for-maintainer

apache/logging-log4j2#4279 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Syslog/Socket @ValidHost discards the appender on DNS miss at config load; reconnect never runs (Kubernetes late Service DNS; relates to LOG4J2-1047) Open

waiting-for-maintainer

apache/logging-log4j2#4309 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Memory leak in JdbcAppender when a database failure occurs during the commit/close phase. Open

waiting-for-maintainer

apache/logging-log4j2#4318 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026

A short digest of beginner-friendly GitHub issues.