apache/logging-log4j2 rel/3.0.0-beta1

3.0.0-beta1

on GitHub

This is the first beta release of the upcoming major release, i.e., 3.0.0.

Added

• Add annotations for nullability. (LOG4J2-1477)
• Remove deprecated code. (LOG4J2-2493)
• Add a more generalized dependency injection system to plugins inspired by JSR 330. (LOG4J2-2803)
• Add and enhance structured properties for per-context settings outside configuration files. (LOG4J2-3299[LOG4J2-3299], #1473)
• Automate artifact publishing and release preparation. (LOG4J2-3466)
• Add support for dependency injection of plugins into container types such as Optional<T>, Collection<T>, Set<T>, Stream<T>, List<T>, and Map<String, T>. (LOG4J2-3496)
• Add support for ConstraintValidator in plugin classes. (LOG4J2-3497)

Changed

• Remove liquibase-log4j2 maven module (#1193)
• Make the output of annotation processing reproducible. (#1520)
• Replace synchronized blocks with locks for improved performance with virtual threads. (#1532)
• Removes additional isFiltered checks in AsyncLoggerConfig. (#1550)
• Ignore exceptions thrown by PropertySources. Eliminate ClassCastException when SimpleLoggerContext is used. (spring-projects/spring-boot#33450, #1799)
• Update com.lmax:disruptor to version 4.0.0 (#1829)
• Migrate most tests to JUnit 5. This includes a more powerful set of test extensions. (LOG4J2-2653)
• Make Log4j use its own BOM. (LOG4J2-3511)
• Change encoding of HTTP Basic Authentication to UTF-8. (#1970)
• Upgraded the required compiler version to Java 17
• Upgraded the required runtime version to Java 17
• Update actions/checkout to version 4.1.1 (#1869)
• Update actions/setup-java to version 3.13.0 (#1809)
• Update actions/setup-python to version 4.7.1 (#1831)
• Update ch.qos.logback:logback-classic to version 1.4.14 (#2028)
• Update com.datastax.cassandra:cassandra-driver-core to version 3.11.5 (#1889)
• Update com.fasterxml.jackson:jackson-bom to version 2.16.0 (#1974)
• Update com.github.luben:zstd-jni to version 1.5.5-11 (#2032)
• Update com.github.spotbugs:spotbugs-maven-plugin to version 4.7.3.6 (#1879)
• Update com.github.tomakehurst:wiremock-jre8 to version 2.35.1 (#1765)
• Update com.google.code.java-allocation-instrumenter:java-allocation-instrumenter to version 3.3.4 (#2102)
• Update com.google.errorprone:error_prone_core to version 2.23.0 (#1871)
• Update com.google.guava:guava-testlib to version 32.1.3-jre (#1934)
• Update com.h2database:h2 to version 2.2.224 (#1917)
• Update commons-codec:commons-codec to version 1.16.0 (#2054)
• Update commons-io:commons-io to version 2.15.1 (#2035)
• Update commons-logging:commons-logging to version 1.3.0 (#2046)
• Update de.flapdoodle.reverse:de.flapdoodle.reverse to version 1.7.2 (#2000)
• Update io.netty:netty-bom to version 4.1.104.Final (#2097)
• Update net.java.dev.jna:jna to version 5.14.0 (#2082)
• Update org.apache.aries.spifly:org.apache.aries.spifly.dynamic.bundle to version 1.3.7 (#2053)
• Update org.apache.commons:commons-compress to version 1.25.0 (#2055)
• Update org.apache.commons:commons-csv to version 1.10.0 (#2041)
• Update org.apache.commons:commons-dbcp2 to version 2.11.0 (#2044)
• Update org.apache.commons:commons-lang3 to version 3.14.0 (#2036)
• Update org.apache.commons:commons-pool2 to version 2.12.0 (#2038)
• Update org.apache.groovy:groovy-bom to version 4.0.16 (#2039)
• Update org.apache.maven:maven-core to version 3.9.6 (#2049)
• Update org.apache.maven.surefire:surefire-junit47 to version 3.2.3 (#2091)
• Update org.apache.tomcat:tomcat-juli to version 10.1.17 (#2086)
• Update org.codehaus.plexus:plexus-utils to version 3.5.1 (#2061)
• Update org.eclipse.jetty:jetty-bom to version 9.4.53.v20231009 (#1931)
• Update org.eclipse.persistence:org.eclipse.persistence.jpa to version 2.7.13 (#1933)
• Update org.eclipse.platform:org.eclipse.osgi to version 3.18.600 (#2064)
• Update org.elasticsearch.client:elasticsearch-rest-high-level-client to version 7.17.16 (#2085)
• Update org.graalvm.truffle:truffle-api to version 23.1.1 (#1872)
• Update org.jctools:jctools-core to version 4.0.2 (#1995)
• Update org.jmdns:jmdns to version 3.5.9 (#2069)
• Update org.junit:junit-bom to version 5.10.1 (#1993)
• Update org.junit-pioneer:junit-pioneer to version 2.2.0 (#1986)
• Update org.mockito:mockito-bom to version 5.8.0 (#2031)
• Update org.mongodb:bson to version 4.11.1 (#1991)
• Update org.springframework.boot:spring-boot to version 2.7.17 (#1902)
• Update org.springframework.boot:spring-boot-dependencies to version 2.7.18 (#2002)
• Update org.springframework:spring-framework-bom to version 5.3.30 (#1903)
• Update org.springframework:spring-test to version 5.3.31 (#1992)
• Update org.xerial.snappy:snappy-java to version 1.1.10.5 (#1877)
• Update org.zeromq:jeromq to version 0.5.4 (#1888)
• Update uk.org.webcompere:system-stubs-core to version 2.1.5 (#2001)
• Update OpenTest4J from version 1.2.0 to 1.3.0.

Removed

• Remove GelfLayout (a GELF-compatible layout is still possible using JSON Template Layout) (#1951)
• Remove log4j-cassandra (#1951)
• Remove log4j-couchdb (#1951)
• Remove Jackson-based JSON configuration support. JSON configuration files are now handled through a built-in JSON parser.
• Moved Log4j Jakarta EE modules (log4j-jakarta-jms, log4j-jakarta-smtp, and log4j-jakarta-web) to their own repository and website (#1966)
• Removed all Java EE modules: log4j-jms, log4j-jpa, log4j-smtp, log4j-web (#1966)
• Remove log4j-jeromq module (users are recommended to migrate to loghublog4j2) (#1951)
• Remove log4j-kafka (#1951)
• Remove log4j-layout-jackson-json module (it is superseded by JSON Template Layout) (#1951)
• Remove log4j-layout-jackson-yaml module (#1951)
• Remove legacy OSGi integration. ServiceLoader mechanism should be used instead.
• Remove log4j-mongodb3 module (#1951)
• Remove support for SecurityManager. Starting in Java 21, a custom SecurityManager cannot be used.
• Remove log4j-spring-boot module (its features are upstreamed to org.springframework.boot:spring-boot-starter-log4j2) (#1951)

Fixed

• Remove locale-dependent toLowerCase/toUpperCase calls. (#1281)
• Add environment variable arbiter. (#1312)
• Fixed logging of java.sql.Date objects by appending it before Log4J tries to call java.util.Date.toInstant() on it. (#1366)
• Adapt the OSGi metadata of log4j-api, log4j-core, log4j-slf4j-impl and log4j-slf4j2-impl to activate the bundle when it is accessed. To achieve that set the Bundle-ActivationPolicy to lazy for the log4j bundles. (#1367)
• Fix runtime dependencies documentation. (#1530)
• Allow to override fqcn in Log4jEventBuilder by implementing CallerBoundaryAware. (#1533)
• Migrate MongoDB tests to JUnit 5 and Flapdoodle Embedded MongoDB 4. (#1589)
• Fixed rollover strategy in the Log4j 1.x compatibility layer. (#1650)
• Only shutdown Log4j after last Log4jServletContextListener is executed. (#1782)
• Fixes context data loss if <AsyncLogger> components are used with an all async logger context. (#1786)
• AppenderLoggingException logging any exception to a MongoDB Appender. (LOG4J2-3392)