gpp_maybe Recommended update for log4j

SUSE-SLE-Module-Basesystem-15-SP7-2026-3145

This update for log4j fixes the following issues: log4j was updated and includes fixes and improvements from versions 2.21.0 through 2.26.0: - Bugs fixed: - Fixed crashes when logging errors with stack traces modified by other threads - Fixed FATAL-level log messages being silently discarded - Fixed memory leaks in several components - Fixed log file headers not being written correctly when files are recreated - Fixed log file rotation failures - Fixed configuration file loading from HTTP sources - Fixed date and time formatting issues in logs - Fixed problems when multiple threads modify logger settings simultaneously - Fixed MongoDB appender connection issues - New Features Added: - Support for ZStandard compression for log files - Support for LMAX Disruptor 4.x (high-performance logging) - Better support for GraalVM environments - Java 8 users now get sub-millisecond precision timestamps - Features Removed: - JMX GUI tool (moved to separate release) - Flume Appender (moved to separate release) - Kubernetes lookup feature (users should migrate to io.fabric8:kubernetes-log4j) - JAnsi library support (Windows 10+ has built-in color support) - Important Changes: - JMX monitoring is now DISABLED by default (set log4j2.disableJmx=false to enable) - Default log format has changed - Configuration scripts now require explicit names - Deprecations (features to be removed in the future): - MongoDB4 module (use standard MongoDB module instead) - EventLogger class - Some builder methods (replaced with setter methods) New Runtime Dependencies: - jackson-dataformat-xml - stax2-api - woodstox-core New and Updated Build Dependencies: - aalto-xml (updated from version 1.3.3 to 1.4.0) - jakarta-annotations (new) - jakarta-messaging (new) - jspecify (new)

• Release Date
  Jul 21 2026
• References
• Type
  recommended
• Severity
  important

cloud_download Downloads

Basesystem Module 15.7 x86_64

• Packages
  jackson-dataformat-xml
  Jackson extension component for reading and writing XML encoded data

  2.18.8-150200.5.5.1 lock rpm lock src

  log4j
  Java logging package

  2.26.0-150200.4.36.1 lock rpm lock src

  log4j-javadoc
  API documentation for log4j

  2.26.0-150200.4.36.1 lock rpm

  log4j-jcl
  Apache Log4j Commons Logging Bridge

  2.26.0-150200.4.36.1 lock rpm

  log4j-slf4j
  Binding between LOG4J 2 API and SLF4J

  2.26.0-150200.4.36.1 lock rpm

  stax2-api
  Experimental API extending basic StAX implementation

  4.3.0-150200.3.8.1 lock rpm lock src

  woodstox-core
  XML processor

  7.2.1-150200.3.10.1 lock rpm lock src

Basesystem Module 15.7 ppc64le

• Packages
  jackson-dataformat-xml
  Jackson extension component for reading and writing XML encoded data

  2.18.8-150200.5.5.1 lock rpm lock src

  log4j
  Java logging package

  2.26.0-150200.4.36.1 lock rpm lock src

  log4j-javadoc
  API documentation for log4j

  2.26.0-150200.4.36.1 lock rpm

  log4j-jcl
  Apache Log4j Commons Logging Bridge

  2.26.0-150200.4.36.1 lock rpm

  log4j-slf4j
  Binding between LOG4J 2 API and SLF4J

  2.26.0-150200.4.36.1 lock rpm

  stax2-api
  Experimental API extending basic StAX implementation

  4.3.0-150200.3.8.1 lock rpm lock src

  woodstox-core
  XML processor

  7.2.1-150200.3.10.1 lock rpm lock src

Basesystem Module 15.7 s390x

• Packages
  jackson-dataformat-xml
  Jackson extension component for reading and writing XML encoded data

  2.18.8-150200.5.5.1 lock rpm lock src

  log4j
  Java logging package

  2.26.0-150200.4.36.1 lock rpm lock src

  log4j-javadoc
  API documentation for log4j

  2.26.0-150200.4.36.1 lock rpm

  log4j-jcl
  Apache Log4j Commons Logging Bridge

  2.26.0-150200.4.36.1 lock rpm

  log4j-slf4j
  Binding between LOG4J 2 API and SLF4J

  2.26.0-150200.4.36.1 lock rpm

  stax2-api
  Experimental API extending basic StAX implementation

  4.3.0-150200.3.8.1 lock rpm lock src

  woodstox-core
  XML processor

  7.2.1-150200.3.10.1 lock rpm lock src

Basesystem Module 15.7 aarch64

• Packages
  jackson-dataformat-xml
  Jackson extension component for reading and writing XML encoded data

  2.18.8-150200.5.5.1 lock rpm lock src

  log4j
  Java logging package

  2.26.0-150200.4.36.1 lock rpm lock src

  log4j-javadoc
  API documentation for log4j

  2.26.0-150200.4.36.1 lock rpm

  log4j-jcl
  Apache Log4j Commons Logging Bridge

  2.26.0-150200.4.36.1 lock rpm

  log4j-slf4j
  Binding between LOG4J 2 API and SLF4J

  2.26.0-150200.4.36.1 lock rpm

  stax2-api
  Experimental API extending basic StAX implementation

  4.3.0-150200.3.8.1 lock rpm lock src

  woodstox-core
  XML processor

  7.2.1-150200.3.10.1 lock rpm lock src