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| <div class="sect1"> |
| <h2 id="release-notes-2-4-1">2.4.1</h2> |
| <div class="sectionbody"> |
| <div class="dlist"> |
| <dl> |
| <dt class="hdlist1">Release date</dt> |
| <dd> |
| <p>2015-10-08</p> |
| </dd> |
| </dl> |
| </div> |
| <div class="paragraph"> |
| <p>This is the ninth GA release. |
| It contains several bugfixes and new features. |
| Log4j 2 requires a minimum of Java 7.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Apache Log4j 2.4.1 requires a minimum of Java 7 to build and run. |
| Log4j 2.4 and greater requires Java 7, version 2.3 required Java 6.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Basic compatibility with Log4j 1.x is provided through the <code>log4j-1.2-api</code> component, however it does |
| not implement some of the very implementation specific classes and methods. |
| The package names and Maven <code>groupId</code> have been changed to <code>org.apache.logging.log4j</code> to avoid any conflicts with Log4j 1.x.</p> |
| </div> |
| <div class="paragraph"> |
| <p>For complete information on Apache Log4j 2, including instructions on how to submit bug reports, patches, or suggestions for improvement, see <a href="http://logging.apache.org/log4j/2.x/">the Apache Log4j 2 website</a>.</p> |
| </div> |
| <div class="sect2"> |
| <h3 id="release-notes-2-4-1-added">Added</h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Add possibility to set shutdown timeout on AsyncAppender. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1020">LOG4J2-1020</a>)</p> |
| </li> |
| <li> |
| <p>Allow PatternLayout to select a pattern to use based on some selection criteria. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1129">LOG4J2-1129</a>)</p> |
| </li> |
| <li> |
| <p>Add %equals to PatternLayout to test and replace patterns with strings. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1145">LOG4J2-1145</a>)</p> |
| </li> |
| <li> |
| <p>Add %notEmpty to PatternLayout to avoid output of patterns where all variables are empty. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1146">LOG4J2-1146</a>)</p> |
| </li> |
| <li> |
| <p>Add %equalsIgnoreCase to PatternLayout to test and replace patterns with strings. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1147">LOG4J2-1147</a>)</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="release-notes-2-4-1-changed">Changed</h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Update MongoDB driver from 2.13.3 to 3.0.4. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1040">LOG4J2-1040</a>)</p> |
| </li> |
| <li> |
| <p>Reuse StringBuilder to improve performance for String-based layouts: CSV, GELF, HTML, RFC524, Syslog. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1128">LOG4J2-1128</a>)</p> |
| </li> |
| <li> |
| <p>Update mongo-java-driver from 2.13.2 to 2.13.3. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1131">LOG4J2-1131</a>)</p> |
| </li> |
| <li> |
| <p>Do not use Jackson deprecated methods. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1138">LOG4J2-1138</a>)</p> |
| </li> |
| <li> |
| <p>Update Jackson from 2.6.1 to 2.6.2. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1139">LOG4J2-1139</a>)</p> |
| </li> |
| <li> |
| <p>Update kafka-clients from 0.8.2.1 to 0.8.2.2. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1150">LOG4J2-1150</a>)</p> |
| </li> |
| <li> |
| <p>Performance improvement: backport Java 8 fast ISO-8859-1 String to byte[] encoder to AbstractStringLayout. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1151">LOG4J2-1151</a>)</p> |
| </li> |
| <li> |
| <p>Performance improvement when converting Strings to byte[] arrays. (<a href="https://issues.apache.org/jira/browse/LOG4J2-935">LOG4J2-935</a>)</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="release-notes-2-4-1-fixed">Fixed</h3> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Fixed Log4jLookup. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1050">LOG4J2-1050</a>)</p> |
| </li> |
| <li> |
| <p>Web site corrections and updates. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1126">LOG4J2-1126</a>)</p> |
| </li> |
| <li> |
| <p>log4j2.xml cannot be parsed on Oracle Weblogic 12c. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1127">LOG4J2-1127</a>)</p> |
| </li> |
| <li> |
| <p>Do not use MongoDB driver 2.13.3 deprecated methods. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1132">LOG4J2-1132</a>)</p> |
| </li> |
| <li> |
| <p>Compression on rollover was broken: log file was renamed to .zip but not compressed. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1135">LOG4J2-1135</a>)</p> |
| </li> |
| <li> |
| <p>Fixed bug where headers were not being written to first file with RollingFileAppender. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1140">LOG4J2-1140</a>)</p> |
| </li> |
| <li> |
| <p>Fix potential memory leak in web applications by using a straight ThreadLocal field instead of subclassing ThreadLocal. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1142">LOG4J2-1142</a>)</p> |
| </li> |
| <li> |
| <p>Add %markerSimpleName in pattern layout should evaluate to marker name (not toString()). (<a href="https://issues.apache.org/jira/browse/LOG4J2-1144">LOG4J2-1144</a>)</p> |
| </li> |
| <li> |
| <p>Fixed bug where PatternLayout predefined date pattern with time zone always renders default date format. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1149">LOG4J2-1149</a>)</p> |
| </li> |
| <li> |
| <p>Fixed NullPointerException when only root logger is defined (and no named loggers) in configuration properties file. (<a href="https://issues.apache.org/jira/browse/LOG4J2-1153">LOG4J2-1153</a>)</p> |
| </li> |
| </ul> |
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