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= 2.0-beta4 (2013-01-28)


[#release-notes-2-0-beta4-added]
=== Added

* Add MessageFormatMessage and FormattedMessage.
* Added Flume Appender samples.
* Added Log4j 2 to SLF4J adapter.
* Added hostName and contextName to property map.
* Add SMTPAppender. (https://issues.apache.org/jira/browse/LOG4J2-131[LOG4J2-131])
* Allow custom message creation via a message factory. (https://issues.apache.org/jira/browse/LOG4J2-133[LOG4J2-133])
* Use %red, %white, %blue, and so on in the console appender. (https://issues.apache.org/jira/browse/LOG4J2-134[LOG4J2-134])

[#release-notes-2-0-beta4-changed]
=== Changed

* Renamed log4j12-api to log4j-1.2-api. (https://issues.apache.org/jira/browse/LOG4J2-110[LOG4J2-110])
* Add unit test to verify exceptions are thrown when the socket connection fails. (https://issues.apache.org/jira/browse/LOG4J2-122[LOG4J2-122])
* Add follow attribute to Console Appender. (https://issues.apache.org/jira/browse/LOG4J2-128[LOG4J2-128])
* Allow newlines to be escaped in Syslog and RFC5424 layouts. Allow Throwables to be included in the output from RFC5424Layout. (https://issues.apache.org/jira/browse/LOG4J2-136[LOG4J2-136])

[#release-notes-2-0-beta4-fixed]
=== Fixed

* Allow FlumeAvroManager to initialize even if it cannot connect to an agent.
* Enhanced javadoc copyright statement. (https://issues.apache.org/jira/browse/LOG4J2-111[LOG4J2-111])
* StructuredDataFilter createFilter was annotated with PluginAttr instead of PluginElement for the KeyValuePairs. (https://issues.apache.org/jira/browse/LOG4J2-113[LOG4J2-113])
* StructuredDataMessage was validating the length of the values in the event Map instead of the lengths of the keys. (https://issues.apache.org/jira/browse/LOG4J2-114[LOG4J2-114])
* ThreadContext Map elements with null values are now ignored when constructing a Flume event and in the RFC5424 Layout. (https://issues.apache.org/jira/browse/LOG4J2-115[LOG4J2-115])
* File renaming was using the wrong date value. Enhanced DefaultRolloverStrategy to store newest files in highest index as well as lowest. (https://issues.apache.org/jira/browse/LOG4J2-116[LOG4J2-116])
* A broken socket connection would cause the TCPSocketManager to continuously reconnect. (https://issues.apache.org/jira/browse/LOG4J2-119[LOG4J2-119])
* TCPSocketManager would fail if the initial connection could not be established. (https://issues.apache.org/jira/browse/LOG4J2-120[LOG4J2-120])
* The example for ThreadContextMapFilter was incorrect. (https://issues.apache.org/jira/browse/LOG4J2-123[LOG4J2-123])
* JMSQueue and JMSTopic Appenders did not allow name to be specified. (https://issues.apache.org/jira/browse/LOG4J2-125[LOG4J2-125])
* Allow JMS appenders to recover if the queue or topic is unavailable. (https://issues.apache.org/jira/browse/LOG4J2-126[LOG4J2-126])
* AbstractLogger methods were not passing Markers to the isEnabled methods. (https://issues.apache.org/jira/browse/LOG4J2-127[LOG4J2-127])
* RoutingAppender was only creating a single appender for the default Route. (https://issues.apache.org/jira/browse/LOG4J2-129[LOG4J2-129])
* PatternLayout should format throwables without requiring a converter. (https://issues.apache.org/jira/browse/LOG4J2-130[LOG4J2-130])
* AbstractLogger.catching(Throwable) checks for DEBUG level but logs at ERROR level. (https://issues.apache.org/jira/browse/LOG4J2-132[LOG4J2-132])
* BaseConfiguration does not close the first appender. (https://issues.apache.org/jira/browse/LOG4J2-135[LOG4J2-135])
* Fix hang in Dumbster SMTP test server. (https://issues.apache.org/jira/browse/LOG4J2-137[LOG4J2-137])
* Fix null pointer exception in SocketAppender if no protocol is specified. The protocol will default to TCP for the SocketAppender and UDP for the SyslogAppender. (https://issues.apache.org/jira/browse/LOG4J2-139[LOG4J2-139])
* Typo in documentation of SocketAppender. (https://issues.apache.org/jira/browse/LOG4J2-140[LOG4J2-140])
* Serialized LogEvents were not reset in the output stream causing them to deserialize incorrectly. (https://issues.apache.org/jira/browse/LOG4J2-142[LOG4J2-142])
* MessagePatternConverter now returns "null" if the log message is null. (https://issues.apache.org/jira/browse/LOG4J2-143[LOG4J2-143])
* NullPointerException in RFC5424Layout. (https://issues.apache.org/jira/browse/LOG4J2-144[LOG4J2-144])
* Add missing serial version IDs. (https://issues.apache.org/jira/browse/LOG4J2-145[LOG4J2-145])
* ThreadContextMapFilter was matching on the key instead of the value of the key. (https://issues.apache.org/jira/browse/LOG4J2-147[LOG4J2-147])
* SMTPAppender will only cache filtered events. (https://issues.apache.org/jira/browse/LOG4J2-149[LOG4J2-149])
* Convert all System.getProperty calls to use PropertiesUtil to suppress SecurityExceptions. (https://issues.apache.org/jira/browse/LOG4J2-150[LOG4J2-150])
* RollingFileAppender's FileRenameAction was throwing a NullPointerException if no directory was specified on the target file name. (https://issues.apache.org/jira/browse/LOG4J2-152[LOG4J2-152])
* LocalizedMessageTest fails on linux system. (https://issues.apache.org/jira/browse/LOG4J2-156[LOG4J2-156])
