Blogged: https://blogs.apache.org/logging/entry/log4j-2-8-1-released
On Fri, Mar 3, 2017 at 2:27 PM, Ralph Goers <ralph.go...@dslextreme.com> wrote: > The Apache Log4j 2 team is pleased to announce the Log4j 2.8.1 release! > > Apache Log4j is a well known framework for logging application behavior. > Log4j 2 is an upgrade to Log4j that provides significant improvements over > its predecessor, Log4j 1.x, and provides many other modern features such as > support for Markers, lambda expressions for lazy logging, property > substitution using Lookups, multiple patterns on a PatternLayout and > asynchronous Loggers. Another notable Log4j 2 feature is the ability to be > "garbage-free" (avoid allocating temporary objects) while logging. In > addition, Log4j 2 will not lose events while reconfiguring. > > This release primarily contains bugfixes and minor enhancements. More > details on the new features and fixes are itemized below. > > Note that subsequent to the 2.6 release a minor source incompatibility was > found due to the addition of new methods to the Logger interface. If you > have code that does: > > logger.error(null, “This is the log message”, throwable); > > or similar with any log level you will get a compiler error saying the > reference is ambiguous. To correct this either do: > > logger.error(“This is the log message”, throwable); > > or > > logger.error((Marker) null, “This is the log message”, throwable); > > The Log4j 2.8.1 API, as well as many core components, maintains binary > compatibility with previous releases. > > <https://github.com/apache/logging-log4j2/blob/master/RELEASE-NOTES.md#ga-release-281>GA > Release 2.8.1 > > Changes in this version include: > > <https://github.com/apache/logging-log4j2/blob/master/RELEASE-NOTES.md#new-features>New > Features > > - LOG4J2-1823 <https://issues.apache.org/jira/browse/LOG4J2-1823>: > Remove deprecation on MessageSupplier lambda functions in Logger API. > - LOG4J2-1807 <https://issues.apache.org/jira/browse/LOG4J2-1807>: > [core] Add and implement LogEvent.toImmutable(). > > > <https://github.com/apache/logging-log4j2/blob/master/RELEASE-NOTES.md#fixed-bugs>Fixed > Bugs > > - LOG4J2-1804 <https://issues.apache.org/jira/browse/LOG4J2-1804>: > Allow %i in file pattern to be preceded with characters other than just > '-'. Thanks to Pierrick Hymbert. > - LOG4J2-1816 <https://issues.apache.org/jira/browse/LOG4J2-1816>: > Change minOccur to minOccurs in Log4j-config.xsd. Thanks to shubhankar1100. > - LOG4J2-1803 <https://issues.apache.org/jira/browse/LOG4J2-1803>: Fix > Maven POM to ensure JMH generated classes in log4j-perf are included in > benchmarks jar. > - LOG4J2-1800 <https://issues.apache.org/jira/browse/LOG4J2-1800>: > Report errors when sending to Kafka when using syncSend=false. Thanks to > Vincent Tieleman. > - LOG4J2-1805 <https://issues.apache.org/jira/browse/LOG4J2-1805>: > Fixed rare race condition in FixedDateFormat, made > FixedDateFormat::millisSinceMidnight > method public. > - LOG4J2-1799 <https://issues.apache.org/jira/browse/LOG4J2-1799>: > Fixed bug in PropertiesUtil::getCharsetProperty that caused > UnsupportedCharsetException for ConsoleAppender. Thanks to Eduard > Gizatullin. > - LOG4J2-1806 <https://issues.apache.org/jira/browse/LOG4J2-1806>: Fix > Javadoc for DefaultRolloverStrategy::purgeAscending Thanks to > challarao. > - LOG4J2-1818 <https://issues.apache.org/jira/browse/LOG4J2-1818>: Fix > rollover to work when filePattern contains no directory components. Thanks > to xkr47. > > > <https://github.com/apache/logging-log4j2/blob/master/RELEASE-NOTES.md#changes> > Changes > > - LOG4J2-1822 <https://issues.apache.org/jira/browse/LOG4J2-1822>: > Update SLF4J to 1.7.24. > - LOG4J2-1812 <https://issues.apache.org/jira/browse/LOG4J2-1812>: > Improved error message when log4j 2 configuration file not found. > - LOG4J2-1810 <https://issues.apache.org/jira/browse/LOG4J2-1810>: > Update to use Logback 1.1.10 and then Logback 1.2 for tests. > - LOG4J2-1819 <https://issues.apache.org/jira/browse/LOG4J2-1819>: > Update Jackson from 2.8.5 to 2.8.6. > > ------------------------------ > > Apache Log4j 2.8.1 requires a minimum of Java 7 to build and run. Log4j > 2.3 was the last release that supported Java 6. > > Basic compatibility with Log4j 1.x is provided through the log4j-1.2-api > component, however it does not implement some of the very implementation > specific classes and methods. The package names and Maven groupId have been > changed to org.apache.logging.log4j to avoid any conflicts with log4j 1.x. > > For complete information on Apache Log4j 2, including instructions on how > to submit bug reports, patches, or suggestions for improvement, see the > Apache Apache Log4j 2 website: > https://logging.apache.org/log4j/2.x/ >
