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<h2>Logback News</h2>
<p>You can receive logback-related announcements by subscribing to
the <a href="http://www.qos.ch/mailman/listinfo/announce">QOS.ch
announce</a> mailing list.</p>
<hr width="80%" align="center" />
<h3>3rd of December 2009 - Release of version 0.9.18</h3>
<p>After a very long investigation resulting in somewhat a better
understanding of licensing issues, logback is now <a
href="license.html">dual-licensed</a> under the EPL 1.0 and LGPL
2.1.
</p>
<p>Due to a clerical error <a
href="http://jira.qos.ch/browse/LBCORE-26">LBCORE-26</a> has
re-raised its ugly head. It has now been tamed for good.</p>
<p>Fixed Private-Package and Export-Package sections in
logback-classic.jar MANIFEST as reported in <a
href="http://jira.qos.ch/browse/LBCLASSIC-165">LBCLASSIC-165</a>
and <a
href="http://jira.qos.ch/browse/LBCLASSIC-121">LBCLASSIC-121</a>
by applying the relavant patches supplied by Hugues Malphettes.
</p>
<p>Made the OSGi import declerations for Janino and javax optional
as proposed by David Varnes in <a
href="http://jira.qos.ch/browse/LBCORE-101">LBCORE-101</a>.</p>
<p><code>ReconfigureOnChangeFilter</code> did not pick up changes
for configuration files containing spaces. This issue was reported
in <a href="http://jira.qos.ch/browse/LBCORE-119">LBCORE-119</a>
by Anders Wallgren.
</p>
<p>Added tests cases which run logback artifacts as bundles within
Felix. This should solve a series of problems related to OSGi.</p>
<p>When ill-formed configuration files fragments were included in
another configuration file, the included file was not closed
correctly. This issue was reported in <a
href="http://jira.qos.ch/browse/LBCORE-122">LBCORE-122</a> by
Michael Franz.
</p>
<p>JaninoEventEvaluator now passes the throwable associated with
an event as a <code>java.lang.Throwable</code> instead of an
<code>IThrowableProxy</code>. This fixes <a
href="http://jira.qos.ch/browse/LBCLASSIC-155">LBCLASSIC-155</a>
as reported by Hontvári József. See <a
href="manual/filters.html#evalutatorFilter">EvaluatorFilter
documentation</a> for more details.</p>
<p>The name of the log file nested within .zip archives was
incorrectly set to be that of the tmp file logback creates during
compression. Anders Wallgren reported and posted an appropriate
patch for this problem in <a
href="http://jira.qos.ch/browse/LBCORE-98">LBCORE-98</a>. The
nested file is now named after the zip archive file. Analysis
showed that this was an appropriate strategy in all the cases we
considered.</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCLASSIC-149">LBCLASSIC-149</a>. The
ContextNameConverter now correctly uses the context name of the
event instead of its own context name.
</p>
<p>When a logger is named after an inner class, the '$' is used as
a separator, instead of the usual '.'. This fixes the level
inheritence issue described in <a
href="http://jira.qos.ch/browse/LBCLASSIC-102">LBCLASSIC-102</a>
and as reported by Joern Huxhorn.</p>
<p>Fixed deadlock issue observed with appender which invoke
loggers as reported in <a
href="http://jira.qos.ch/browse/LBCLASSIC-154">LBCLASSIC-154</a>
by Andrew Perrine and debugged by Ralph Goers who also proposed
the relevant patch.</p>
<hr width="80%" align="center" />
<h3>9th of August 2009 - Release of version 0.9.17</h3>
<p><code>PackagingDataCalculator</code> now correctly deals with
<code>NoClassDefFoundError</code> thrown by class loaders. This
fixes <a
href="http://jira.qos.ch/browse/LBCLASSIC-125">LBCLASSIC-125</a>
reported by Roland Klein and independently by Didier Besset.
</p>
<p>In configuration files, all tags names associated with explicit
actions are now case-insensitive. This should diminish
case-related errors users may make when writing configuration
files. Tag names associated with implicit actions which are
closely linked to the actual Java class being configured, still
need to follow the camelCase convention. If you are unsure which
case to use for a given tag name, just follow the camelCase
convention for tag names which should be correct in most
cases. </p>
<p>It is now possible to create <a
href="manual/appenders.html#uniquelyNamed">uniquely named files by
timestamp</a>. Such files are appropriate for log files associated
with batch applications. This enhancement fulfills <a
href="http://jira.qos.ch/browse/LBCORE-91">LBCORE-91</a> as
requested by Rick Beton and Szel Zoltan.
</p>
<p>Append mode is now mandatory in
<code>RollingFileAppender</code>. This was already the default and
truncation mode is unreasonable in most cases. For example, in
truncate mode when an application stops and is quickly re-started,
any pre-existing log file for the current period will be lost.</p>
<p>The <code>activeFile</code> field in
<code>RollingFileAppender</code> is now properly updated, fixing
<a href="http://jira.qos.ch/browse/LBCORE-90">LBCORE-90</a> as
reported by Valery Shorin.</p>
<p>The <code>TimeBasedTriggeringPolicy</code> has been heavily
refactored. It is now possible to trigger rolling simultaenously
by <a href="manual/appenders.html#SizeAndTimeBasedFNATP">time and
by size</a>, fixing <a
href="http://jira.qos.ch/browse/LBCORE-61">LBCORE-61</a>.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCLASSIC-145">LBCLASSIC-145</a>
reported by Joern Huxhorn. The <code>LoggingEventVO</code> class
now correctly populates its callerData field if the original
<code>ILoggingEvent</code> already has it.</p>
<hr width="80%" align="center" />
<h3>15th of July 2009 - Release of version 0.9.16</h3>
<p>In addition to nifty new features, this release contains
several important internal changes. Given the importance of some
of those internal changes, <em>this release may be less stable
than previous logback releases</em>.</p>
<p>In logback-classic, <a
href="xref/ch/qos/logback/classic/spi/LoggingEvent.html"><code>LoggingEvent</code></a>
now implements the <a
href="xref/ch/qos/logback/classic/spi/ILoggingEvent.html"><code>ILoggingEvent</code></a>
interface. All logback-classic components expect to process
<code>ILoggingEvent</code> instances. Moreover, events which sent
to a remote host are now of type <a
href="xref/ch/qos/logback/classic/spi/LoggingEventVO.html"><code>LoggingEventVO</code></a>.
</p>
<p>Logback-classic will now <a
href="manual/configuration.html#autoScan">automatically
re-configure itself</a> when its configuration file is
modified. This enhancement was requested in <a
href="http://jira.qos.ch/browse/LBCORE-59">LBCORE-59</a> by
Michael Osipov.</p>
<p>FileAppender and its derived class RolllingFileAppender are now
based on a finer-grain synchronization model. This change is aimed
at reducing various synchronization related bugs, namely <a
href="http://jira.qos.ch/browse/LBCLASSIC-135">LBCLASSIC-135</a>
and its various sub-tasks.
</p>
<p>Fixed a bug in the localLevelReset() method in the
<code>Logger</code> class which inadvertently used the DEBUG_INT
value in the org.slf4j.spi.LocationAwareLogger interface instead
of the DEBUG_INT value in ch.qos.logback.classic.Level class. The
issue was first identified by Andy Ruch <a
href="http://qos.ch/pipermail/logback-user/2009-February/000955.html">in
a message</a> to the logback-user list
</p>
<p>If the logger name had 12 or more segments, a the logger
conversion specified would throw an
<code>ArrayIndexOfBounds</code> exception. Lukas Zapletal has
kindly reported this problem in <a
href="http://jira.qos.ch/browse/LBCLASSIC-110">LBCLASSIC-110</a>
and provided a test case.
</p>
<p>A new discriminator class called "ContextBasedDiscriminator"
allows SiftingAppender to separate logging based on the context
name. This fits nicely with the requirements expressed in <a
href="http://jira.qos.ch/browse/LBCLASSIC-117">LBCLASSIC-117</a>
by Rick Janda.
</p>
<p>When a context is reset, then its object and property maps are
now cleared. This fixes <a
href="http://jira.qos.ch/browse/LBCORE-104">LBCORE-104</a>
reported by Johan Bos.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCORE-105">LBCORE-105</a>. Configuration
files placed in jar files will no longer lock the jar file. This
issue was initially reported for log4j in <a
href="https://issues.apache.org/bugzilla/show_bug.cgi?id=47465">bug
47465</a> Mark Thomas.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCORE-94">LBCORE-94</a>. While
configuring a RollingFileAppender, if the File property is
declared after any rolling or triggering policies, then logback will
now generate an error status message.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCLASSIC-134">LBCLASSIC-134</a>
reported by Darryl Smith. <code>DuplicateMessageFilter</code> will
now behave correctly when invoked via
<code>Logger.isXXXEnabled</code> methods.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCORE-107">LBCORE-107</a>,
incorrectly set context information for the
<code>NestedBasicPropertyIA</code> instance in Joran, reported by
Lóránt Pintér.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCLASSIC-109">LBCLASSIC-109</a>,
reported by Andrew Ruch when a logger context was reset, the trace
level was erroneously enabled.
</p>
<hr width="80%" align="center" />
<h3>12th of February 2009 - Release of version 0.9.15</h3>
<p>When the reset() method in <code>LoggerContext</code> is
called, registered turbo filters are first stopped before being
unregistered. This fixes <a
href="http://jira.qos.ch/browse/LBCLASSIC-89">LBCLASSIC-89</a>
reported by Alexis Morillo.
</p>
<p>Added a servlet for viewing internal status messages as an HTML
table. Two separate implementations are available; one for <a
href="manual/configuration.html#viewingStatusMessages">logback-classic</a>
and the other for <a
href="access.html#viewingStatusMessages">logback-access</a>.</p>
<p>Added the <code>clear()</code> mthod to the
<code>StatusManager</code> interface. After reconfiguration, it
may be desirable to clear the status list maintained by a
<code>StatusManager</code>. This change was requested by Alexis
Morillo in <a
href="http://jira.qos.ch/browse/LBCORE-77">LBCORE-77</a>.
</p>
<p>Fixed problem <a
href="http://jira.qos.ch/browse/LBCLASSIC-104">LBCLASSIC-104</a>
related to loss of MDC information in deferred logging events.
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCLASSIC-101">LBCLASSIC-101</a>. Logback
jar files now include full OSGi bundle information in their
manifests. This information is automatically added by Apache
Felix' Maven bundle plug-in. The generated manifest files contain
an appropriate Bundle-RequiredExecutionEnvironment directive,
fixing <a
href="http://jira.qos.ch/browse/LBGENERAL-8">LBGENERAL-8</a>.
</p>
<p>The setter and getter methods for the layout property in
<code>AppenderBase</code> class now have reasonable default
implementations, instead of nop previously. This change was
requested by Thilo Tanner in <a
href="http://jira.qos.ch/browse/LBCORE-56">LBCORE-56</a>.
</p>
<p>Added <em>log4j.dtd</em> compatible <a
href="manual/layouts.html#log4jXMLLayout"><code>XMLLayout</code></a>
as requested in <a
href="http://jira.qos.ch/browse/LBCLASSIC-22">LBCLASSIC-22</a>.
</p>
<p>New chapter <a href="manual/onJoran.html">on Joran</a>.</p>
<hr width="80%" align="center" />
<h3>29th of December 2008 - Release of version 0.9.14</h3>
<p>Corrected a serious dead-lock problem occuring during
configuration. It was reported in <a
href="http://jira.qos.ch/browse/LBCLASSIC-81">LBCLASSIC-81</a> by
Holger Mense.</p>
<p>Corrected thread leakage observed with
<code>TimeBasedRollingPolicy</code>'s
<code>AsynchronousCompressor</code>. This bug was reported in <a
href="http://jira.qos.ch/browse/LBCORE-78">LBCORE-78</a> by Szel
Zoltan.</p>
<p>Added <a
href="manual/filters.html#DuplicateMessageFilter">DuplicateMessageFilter</a>,
a turbo filter which detects duplicate messages, and beyond a
certain number of repetitions, drops repeated messages.</p>
<p>Added a new appender called <a
href="manual/appenders.html#SiftingAppender"><code>SiftingAppender</code></a>. As
its name intimates, a <code><code>SiftingAppender</code></code>
can be used to separate (or sift) logging according to a given
runtime attribute. For example, <code>SiftingAppender</code> can
separate logging events according to user sessions, so that the
logs generated by each user go into distinct log files, one log
file per user.
</p>
<p><code>BasicStatusManager</code>'s internal buffer is now split
into two parts, the header part and the tail part. The header part
stores the fist H status messages whereas the tail part stores the
last T messages. At present time H=T=150, although these values may
change in future releases.</p>
<p>Fixed <code>NullPointerException</code> thrown when calling
<code>setContextMap</code> on a fresh MDC. <a
href="http://jira.qos.ch/browse/LBCLASSIC-98">Issue was</a>
reported by Francois Terrier.
</p>
<p>Evaluators are now wired into an appender automatically
(implicit rules) without the help of
<code>EvaluatorAction</code>. EvaluatorAction is now only needed
for global evaluator elements. It follows that name attribute is
necessary only for global evaluators. Embedded evaluators no
longer need a name. This change fixes <a
href="http://jira.qos.ch/browse/LBCLASSIC-100">LBCLASSIC-100</a>. In
addition, <code>EvaluatorAction</code> has been modified to accept
evaluators of any type and not just instances of
<code>JaninoEvaluator</code>.
</p>
<p>Logback-classic default configuration process will now
automatically print status data on the console in case of warnings
as well as errors. Previously, status data was printed only in
case of errors.</p>
<p><code>ContextInitializer</code> will now print the url of the
configuration it is using. This should help reduce confusion when
multiple config files are found on the class path. This change
resolves <a
href="http://jira.qos.ch/browse/LBCLASSIC-55">LBCLASSIC-55</a>
reported by Anton Tagunov and Henric Larsson.
</p>
<p>In case multiple configuration files are found on the class
path, <code>ContextInitializer</code> will now emit a
warning. This fixes <a
href="http://jira.qos.ch/browse/LBCLASSIC-85">LBCLASSIC-85</a>
filed by Szel Zoltan.
</p>
<p><code>HTMLLayout</code> now honors custom conversion words,
thus fixing <a
href="http://jira.qos.ch/browse/LBCORE-74">LBCORE-74</a> as
reported by Natan Cox.</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCORE-69">LBCORE-69</a> as
reported by Andrey Rybin. <code>SMTPAppenderBase</code> now has
support for charset encodings so that email messages can contain
characters beyond US-ASCII.
</p>
<p><code>SMTPAppender</code> in logback-classic now defaults to
<code>OnErrorEvaluator</code> instead of a janino-based
evaluator. Thus, by default <code>SMTPAppender</code> no longer
depends on Janino.</p>
<p>Added UnsynchronizedAppenderBase class based on Ralph Goers'
contribution in <a
href="http://jira.qos.ch/browse/LBCORE-58">LBCORE-58</a>. Note
that <code>AppenderBase</code> remains unchanged. Appenders which
need to handle synchronization on their own can do so by deriving
from <code>UnsynchronizedAppenderBase</code>.</p>
<h3>5th of December 2008 - Release of version 0.9.13</h3>
<p>A <code>NullPointerException</code> was being thrown when a the
level of a logger was set to null. The logger in question had to
have children. This problem was reported in <a
href="http://jira.qos.ch/browse/LBCLASSIC-91">LBCLASSIC-91</a>
by Mateusz Jedruch.
</p>
<h3>4th of December 2008 - Release of version 0.9.12</h3>
<p>Fixed <a href="http://jira.qos.ch/browse/LBCORE-26">bug
LBCORE-26</a> reported by Tsutomu YANO and independently by
Hontvári József and Gamaliel
Amaudruz. <code>RollingFileAppender</code> when used in conjunction
with <code>DateBasedRollingPolicy</code> will rollover existing log
files at initialization if their timestamp warrants it.
</p>
<p>Added support for file appending in <a
href="manual/appenders.html#prudent">prudent mode</a>. Thus,
multiple <code>FileAppender</code> instances running on multiple
JVMs can safely write to the same log file. With certain
limitations, prudent mode extends to
<code>RollingFileAppender</code>.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCLASSIC-83">LBCLASSIC-83</a>.
It is now possible to set the level of a logger to null, even if
it was previously set to a non-null level. Previously, a
<code>NullPointerException</code> would be thrown.
</p>
<p>In reponse to <a
href="http://jira.qos.ch/browse/LBCLASSIC-61">LBCLASSIC-61</a>, <a
href="http://jira.qos.ch/browse/LBCLASSIC-33">LBCLASSIC-33</a>, <a
href="http://jira.qos.ch/browse/LBCLASSIC-14">LBCLASSIC-24</a> and
<a href="http://jira.qos.ch/browse/LBCLASSIC-24">LBCLASSIC-14</a>
<code>JMXConfigurator</code> has been redesigned.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBGENERAL-22">LBGENERAL-22</a>. The
<a href="http://logback.qos.ch/translator/">log4j.properties
translator</a> web-application has been significatnly refactored.
</p>
<p>Fixed improvement request <a
href="http://jira.qos.ch/browse/LBCLASSIC-59">LBCLASSIC-59</a>
relation to StatusListeners, originally submitted by Anton Tagunov.
</p>
<p>The logger and class name converters now consider zero as
having special meaning, and will return the simple class name,
removing the package name prefix. This feature was asked by
Silvano Maffeis.</p>
<p>In response to <a
href="http://jira.qos.ch/browse/LBCLASSIC-54"> LBCLASSIC-54</a>
support for turbo filters has refactored. The present code is safe
under concurrent access while still offering good performance.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCORE-43">LBCORE-43</a> reported
by Bruno Navert. Configuration files can now look up property
files from classpath resources.
</p>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCLASSIC-86">LBCLASSIC-86</a>
related to <code>AccessControlException</code> thrown when run in
a JVM with a <code>SecurityManager</code>.
</p>
<p>Invoking the <code>LoggerContext.reset()</code> method resets
logger levels to their default value, that is <code>DEBUG</code>
for the root logger and <code>null</code> for all other
loggers. This was requested in <a
href="http://jira.qos.ch/browse/LBCLASSIC-90">LBCLASSIC-90</a> by
Mateusz Jedruch.
</p>
<!-- ======================== minor ================== -->
<p>Fixed <a href="http://jira.qos.ch/browse/LBCLASSIC-69">bug
LBCLASSIC-69</a> reported by Anton Tagunov. The
LevelToSyslogSeverity now correctly handles the TRACE level.
</p>
<p>Fixed <a href="http://jira.qos.ch/browse/LBCLASSIC-57">bug
LBCLASSIC-57</a> reported by Anton Tagunov. SyslogAppender could
overwhelm the Syslog server with very large messages. SyslogAppender
now limits its message size to 256K.
</p>
<p>Logback now supports <a
href="manual/configuration.html#contextName">setting the logger context
name</a> as well as inserting variables <a
href="manual/configuration.html#insertFromJNDI">stored in JNDI</a> as
properties.
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCLASSIC-49">LBCLASSIC-49</a>
reported by Oliver Lietz. The getLogger() method in
<code>LoggerContext</code> class will now throw an
<code>IllegalArgumentException</code> when invoked with a null
argument.
</p>
<hr width="80%" align="center" />
<h3>28th of October 2008 - Release of version 0.9.11</h3>
<p>Fixed <a
href="http://jira.qos.ch/browse/LBCLASSIC-77">LBCLASSIC-77</a>
reported independenly by Gianni Doe, Yannick Haudry and Yossi Shaul.
The childValue() method of <code>CopyOnInheritThreadLocal</code>
class part of MDC code no longer throws a
<code>NullPointerException</code>.
</p>
<hr width="80%" align="center" />
<h3>27th of October 2008 - Release of version 0.9.10</h3>
<p>In case of errors during initialization, logback-classic now
<em>automatically</em> prints out its internal status. This has been
a frequently requested feature.
</p>
<p>The LogbackValve in logback-access (ensuring integration with
Tomcat), will now systematically print its internal status upon
initialization, unless told to be quiet. This greatly helps
troubleshooting the configration of logback-access under Tomcat.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=147">bug
147</a> which occured when the user inadvertently attempted to set
the layout of a <code>SyslogAppender</code>. The code now actively
prevents this. Documenation has been updated to reflect the change.
</p>
<p>Fixed <a href="http://jira.qos.ch/browse/LBCLASSIC-56">bug
LBCLASSIC-56</a> originally reported by Michel Colette. Backslash
characters are now correctly interpreted in filename patterns.
</p>
<p>The TurboFilterChain in a LoggerContext is <a
href="http://svn.qos.ch/viewvc?view=rev&revision=1678">now
cleared</a> when the <code>reset</code>() method is called. This
problem was reported on May 1st, 2008, by Julia Hu on the logback
developpers list.
</p>
<!-- ========================== LB CORE ================== -->
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCORE-48">LBCORE-48</a>. During
rollover, compression of large files would bring all logging to a
halt. In this latest release, the rolled over file is first renamed,
which is a relatively fast operation, and only then is the renamed
file compressed asyncronously (in a separate thread).
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCORE-11">LBCORE-11</a>. It is now
possible to instruct TimeBasedRollingPolicy to delete old files,
thus controlling then number of archived log files.</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCORE-42">LBCORE-42</a>. If the
parent directory of the log file does not exist, then FileAppender
will create it, including any necessary but nonexistent parent
directories.
</p>
<p>Fixed <a href="http://jira.qos.ch/browse/LBCORE-15">LBCORE-15</a>
reported by Klaus Unger and others. DBAppender should now work with
Oracle 9, 10g and 11g, regardless of the JDBC driver type used.
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCORE-17">LBCORE-17</a> reported by
Thorbjørn Ravn Andersen. Logback now relies on Geronimo JMS
API specifications instead of Sun's JMS API specification, the
latter requiring manual installation. With Geronimo JMS, logback can
be built using Maven without needing to manually install any
dependencies.
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCORE-23">LBCORE-23</a>. In
PatternLayout, parenthesis can be used to group conversion
patterns. It follows that the '(' and ')' carry special meaning and
need to be escaped to be used as literals. This is now properly
documented.
</p>
<p>The location of the default configuration file can be specified
by a system property. This feature was requested in <a
href="http://jira.qos.ch/browse/LBCORE-32">LBCORE-32</a> by Ted
Graham, Matt Fowles, Ivan Biddles and Ralph Goers.
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCORE-55">LBCORE-55</a> reported by
Natan Cox. <code>WriterAppender</code> now outputs its presentation
footer and file footer in the the correct order.
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCORE-27">LBCORE-27</a> reported by
Peter Royal. <code>SMTPAppender</code> now outputs its presentation
footer and file footer in the the correct order.
</p>
<!-- ========================== LB CLASSIC ================== -->
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCLASSIC-67">LBCLASSIC-67</a>
reported by Alessandro Fustini. SMTPAppender now correctly
configures the layout used to format the subject line of the
outgoing email. It no longer appends a lengthy stack trace to the
subject line.
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCLASSIC-68">LBCLASSIC-68</a>
reported by Gili Tzabari. In environments where the TCCL (Thread
Context Class Laoder) was not set, logback was unable to located its
default configuraiton files. Logback now uses the class loader that
loaded logback itself to locate its resources instead of the
TCCL. This approach is simpler and deemed to cover more
environments, i.e. more widely applicable.
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBGENERAL-24">LBGENERAL-24</a>
reported by Hung Tang. SMTPAppender now supports plain
username/password authentication as well as both the STARTTLS
command and SSL connections.
</p>
<p>Fixed issue <a
href="http://jira.qos.ch/browse/LBCLASSIC-48">LBCLASSIC-48</a>
reported by Peter Royal. SyslogAppender now correctly outputs hours
as 0-23 and not as 1-12 as previously.
</p>
<p>Added a new TurboFilter called DynamicThresholdFilter which can
filter events depending on MDC values based on a variery of criteria
such as company name, product or the end user. This filter was
contributed by Ralph Goers in <a
href="http://jira.qos.ch/browse/LBCLASSIC-53">LBCLASSIC-53</a>.
</p>
<hr width="80%" align="center" />
<h3>26th of March 2008 - Release of version 0.9.9</h3>
<p>MDC data in now inherited by child threads. This behaviour was
already specified in the javadocs. The issue was raised by Martin
Benda in <a href="http://bugzilla.qos.ch/show_bug.cgi?id=64">bug
64</a> and independently by Peter Huber.
</p>
<p>Logback no longer includes retro-weaver generted jars for JDK
1.4. There seemes to be little interest in JDK 1.4 builds. Calling
retro-weaver increases logback's build time by a few seconds each
time – seconds in which we can do more productive things.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=104">bug
104</a>, silly but but nonetheless serious copy-and-paste errors in
the c.q.l.classic.Logger class, reported by Joern Huxhorn.
</p>
<p>Having been replaced by <code>SimpleSocketServer</code>, the
<code>SocketServer</code> class has been removed.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=105">bug
105</a>, sockets created by <code>SocketAppenderBase</code> is now
closed, reported by Joern Huxhorn. More generally,
<code>SimpleSocketServer</code> is much more careful to track open
client connections and to close them.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=110">bug
110</a> in relation with the <code>requestParameterMap</code> field
in <code>AccessEvent</code> - reported by Joern Huxhorn.
</p>
<p>Fixed <a href="http://bugzilla.slf4j.org/show_bug.cgi?id=66">
SLF4J bug 66</a> in relation with caller data when using
log4j-over-slf4j - reported by Frnack Routier.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=129">bug
129</a> reported by Michael Franz. As a result, Joran now supports
nested as well as multiple file inclusions.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=100">bug
100</a> reported by Joern Huxhorn. At serialization time, object
array passed as parameter, when the LoggingEvent is are now
serialized as strings.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=109">bug
109</a> reported by Joern Huxhorn. There should no longer be any
NullPointerExceptions thrown by deserialized
<code>AccessEvent</code> instances.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=8">bug
8</a> reported by Sebastien Pennec. The documentation has been
updated to reflect the fact that that in the context of conversion
patterns the percent sign carries special meaning, in order to
include the percent sign as a literal, it must be escaped with a
backslash.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=52">bug
52</a> reported by Kenichi Masuko. The bug has been fixed on March
8th, 2007. Starting with this release, Joran will support the
injection of any enum tpye, not just <code>FilterReply</code>.
</p>
<hr width="80%" align="center" />
<h3>22th of August 2007 - Release of version 0.9.8</h3>
<p>This version of logback synchronizes with SLF4J version 1.4.3. In
particular, logback now natively supports SLF4J's MDC API introduced
in SLF4J version 1.4.1. If you are using SLF4J version 1.4.1 or
later please make sure upgrade to logback version 0.9.8 or later.
</p>
<p>Fixed a number of documentation related bugs, in particular <a
href="http://bugzilla.qos.ch/show_bug.cgi?id=90">bug 90</a> reported
by Luc Maisonobe and <a
href="http://bugzilla.qos.ch/show_bug.cgi?id=90">bug 88</a> reported
by Sebastian Davids.
</p>
<p>It is now possible to include configuration file fragments (in
XML) as a resource. Previously, it was only possible to include a
file by specifying a path to a file or a URL. This feature was
requested by Michael Newcomb in <a
href="http://bugzilla.qos.ch/show_bug.cgi?id=89">bug 89</a>.
</p>
<p>Fixed caller data extraction problem as reported in <a
href="http://bugzilla.qos.ch/show_bug.cgi?id=78">bug 78</a> by Hans
van der Meer.
</p>
<p>The LoggingEvent class' constructor now correctly takes into
account the argument array passed by the user. This problem was
reported in <a href="http://bugzilla.qos.ch/show_bug.cgi?id=85">bug
85</a> by Robert Christian.
</p>
<hr width="80%" align="center" />
<h3>29th of May 2007 - Release of version 0.9.7</h3>
<p>This release corrects packaging bugs <a
href="http://bugzilla.qos.ch/show_bug.cgi?id=75">75</a> and <a
href="http://bugzilla.qos.ch/show_bug.cgi?id=76">76</a> related to
the migration of logback to SLF4J version 1.4.0. There are no other
changes.
</p>
<hr width="80%" align="center" />
<h3>23rd of May 2007 - Release of version 0.9.6</h3>
<p>Logback is now aligned and compatible with SLF4J version 1.4.0,
thus correcting <a
href="http://bugzilla.qos.ch/show_bug.cgi?id=73">bug 73</a> as
reported by Andy Gerweck.
</p>
<p>Fixed <code>NoClassDefFoundError</code> problem when running
under JDK 1.4 <a
href="http://www.qos.ch/pipermail/logback-user/2007-April/000206.html">as
reported</a> by Brian Suksomwong.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=63">bug
63</a> as reported by La Canea Rosario. Calling log4j (bridge) with
the trace level will no longer cause an IllegalStateException to be
thrown.
</p>
<p>Fixed <a href="http://bugzilla.qos.ch/show_bug.cgi?id=70">bug
70</a> as reported by Dirk Ooms. The %throwable conversion word is
now recognized as documented in the logback manual. Moreover, the
manual now mentions the %nopex word which can be used to force
<code>PatternLayout</code> to ignore the exception contained in the
logging request.
</p>
<p>As in most releases, the documentation has been improved.</p>
<hr width="80%" align="center" />
<h3>April 2nd, 2007 - Release of version 0.9.5</h3>
<p>Fixed methods <code>isInfoEnabled</code>,
<code>isWarnEnabled</code> and <code>isErrorEnabled</code> methods
in <code>ch.qos.logback.classic.Logger</code> class which failed to
work correctly. This bug was reported today by Pavel Kral on the
slf4j-user list.
</p>
<p>Contrary to previous versions of logback, the various
Logger.isXYZEnabled(Marker) methods now take into account the marker
information passed as parameter.
</p>
<p>As discussed in <a
href="http://bugzilla.qos.ch/show_bug.cgi?id=54">bug 54</a>, during
automatic initialization, it makes better sense to first check for
<em>logback-test.xml</em> file and only if that fails, to check for
<em>logback.xml</em>. Maven2 will guarantee that the
logback-test.xml file, if places undder test/resources will not be
included in the artifact it produces.
</p>
<hr width="80%" align="center" />
<h3>March 29th, 2007 - Release of version 0.9.4</h3>
<p>Significant bug fixes made to <code>c.q.l.access.TeeFilter</code>
and Co. Images and other binary files are now intercepted and
replayed correctly. As for "x-www-form-urlencoded" post requests,
their input buffer is left untouched. In a best-effort attempt, the
input buffer for "x-www-form-urlencoded" post requests is later
reconstructed through the request parameters. However, it may differ
from the original buffer.
</p>
<p>The logback team released today the first version of a plugin for
Eclipse that allows developpers to visualize logs generated by a
running application. It offers several nice features. Please check
the <a href="consolePlugin.html">console plugin-in guide</a> for
more details.
</p>
<h3>March 20th, 2007 - Release of version 0.9.3</h3>
<p>Includes in configuration files are now supported by Joran,
logback's configuration framework. A file can contain an
<em>include</em> element that has a <em>file</em> or <em>url</em>
attribute pointing to a configuration file. See the <a
href="manual/configuration.html#Include">chapter about
configuration</a> in the logback's online manual for more
information.
</p>
<p>Corrected bug 53 reported by Wilkins Poe. There is now a <a
href="dependencies.html">dependencies page</a> that shows the
requirements of each of logback's modules.
</p>
<p>After a <a
href="http://www.slf4j.org/pipermail/user/2007-March/000297.html">
discussion on the SLF4J mailing list</a> started by Franck Routier,
a correction has been made when logging using the
<em>JCL104-over-slf4j</em> module. Logback now correctly shows the
caller location information.
</p>
<p>As in most logback releases, the documentation has been improved.
</p>
<h3>March 5th, 2007 - Release of version 0.9.2</h3>
<p>The documentation is now in the <em>docs/</em> directory to allow an
easier access to the logback manual and website for offline viewing.
</p>
<h3>March 5th, 2007 - Release of version 0.9.1</h3>
<p>Logback-class now depends on SLF4J version 1.3.0 instead of
1.2.</p>
<p>Numerous improvements to the documentation.</p>
<p><a href="http://bugzilla.qos.ch/show_bug.cgi?id=46">Bug #46</a>
reported by Mark Renyolds has been fixed. The
<code>TimeUtilTest</code> should now run fine under any time
zone.</p>
<p><a href="http://bugzilla.qos.ch/show_bug.cgi?id=45">Bug
#45</a>, also reported by Mark Reynolds, has been fixed. There
should be no <code>ClassCastException</code> thrown anymore when
passing an <code>Object</code> to the printing methods using the
log4j-bridge module. </p>
<hr width="80%" align="center" />
<h3>January 31st, 2007 - Release of version 0.9</h3>
<p>This version contains a new component, namely the
<code>ContextSelector</code>, that provides context separation and
management when logback is used by several web-apps running under
the same server. A <a href="manual/contextSelector.html">new
chapter</a> was added to the logback manual to detail the use of the
<code>ContextSelector</code>, along with its associated components.
</p>
<p>The <code>JMXConfigurator</code> has been improved. It now shows
the context's Status objects, which lets users check the internal
state of logback.
</p>
<p>The logback manual's chapter 2, about <a
href="manual/architecture.html">logback's architecture</a>, has been
updated with two sections: Under the hood and Performance.
</p>
<hr width="80%" align="center" />
<h3>January 23th, 2007 - Release of version 0.8.1</h3>
<p>This version contains new components in the Access module,
allowing users to display the full HttpServletRequest or
HttpServletResponse of an access event.
</p>
<p>The documentation section has been updated. The short
introduction was split into the chapter 1 and chapter 2 of the
logback manual. The chapters about Appenders and Layouts have been
updated to document new components of logback.
</p>
<p>A demonstration webApp presenting logback's major components is
available. A document explains how to run it, and provides a
step-by-step visit of the demo.
</p>
<p>A first translation of logback jars to JDK1.4 is present in
this release.
</p>
<hr width="80%" align="center" />
<h3>January 12th, 2007 - Release of version 0.8</h3>
<p>This version contains a whole new chapter, namely Chapter 3,
about logback configuration. Several other documentation pages
have been improved.
</p>
<p>Logback now uses Generics in many components.
</p>
<p>Several new components have been added to logback. A JMX
Configurator now allows users to see and modify loggers or reload
configuration among other possibilities. A <a
href="jmxConfig.html">document</a> about this configurator is
available in the <a href="documentation.html">corresponding
section</a> of the site. We'd like to thank Sebastian Davids for his
ideas and contributions to this component.
</p>
<p>A JMSTopicAppender and JMSQueueAppender are now available, as
well as two new filters: LevelFilter and ThresholdFilter. A
refactoring was done in the filters objects to ease the
implementation of custom filters.
</p>
<hr width="80%" align="center" />
<h3>December 19th, 2006 - Release of version 0.7.1</h3>
<p>Version 0.7.1 of logback has been released.
</p>
<p>This version contains more detailled information about logback
access module, and its JMX components. A <a
href="access.html">dedicated page</a> explains how to configure and
use logback access in Tomcat and Jetty, and access some of its
components via JMX.
</p>
<hr width="80%" align="center" />
<h3>December 18th, 2006 - Release of version 0.7</h3>
<p>Version 0.7 of logback has been released.</p>
<p>Logback now ships with a new module: <em>log4j-bridge</em>. This
new module can be used to intercept log4j calls and redirects them
to logback components. More information about this module can be
found in the corresponding <a href="bridge.html">documentation
page</a>.
</p>
<p>The documentation has been vastly updated. Two new chapters,
namely Filters and MDC, are available in the manual section.
</p>
<hr width="80%" align="center" />
<h3>November 30th, 2006 - Release of version 0.6</h3>
<p>Version 0.6 of logback has been released.
</p>
<p>Logback classic now supports automatic configuration, allowing
test and production environment
configuration. <code>TurboFilters</code> make their first appearance
in a logback release. They provide ultra-fast filtering
possibilities. The logging context now supports listeners which
will be contacted each time the context is reset or
started. <code>SMTPAppender</code> allows for much more flexible
configuration than before.
</p>
<p>In logback access, new Appenders are available, namely
<code>SocketAppender</code> and <code>DBAppender</code>. Logback
access now supports filtering and event evaluations. A
<code>CountingFilter</code> has been added. It provides statistical
views of server access, reachable via JMX.
</p>
<p>The documentation has also been improved. A complete new chapter
has been added about Appenders, the short introduction to logback
classic has been updated and a new module, containing many
configuration examples has been added.
</p>
<p>Logback now uses continous integration in its development.
</p>
<p>Tests have been improved, many new have been added. This release
also provides some bug fixes.
</p>
<hr width="80%" align="center" />
<h3>October 26th, 2006 - Release of version 0.5</h3>
<p>Version 0.5 of logback has been released.
</p>
<p>This release offers a important improvements in Joran. In
particular, Joran can now replay configuration elements.
</p>
<p>As in the previous release, a major area of work is the
documentation which is being continously improved.
</p>
<hr width="80%" align="center" />
<h3>October 9th, 2006 - Release of version 0.4</h3>
<p>Version 0.3 of logback has been released.
</p>
<p>This release includes an improved access module, with specific
implementations for the Jetty and Tomcat servers. Documentation was
also added to show how to integrate logback-access with Jetty.
</p>
<p>As for the classic module, several appenders and layouts have
been added or improved. The error reporting of logback has also
been enhanced, presenting the user with a link to an online page
explaining possible reasons for the error.
</p>
<p>A joran documentation was added, with examples in the core
module.
</p>
<hr width="80%" align="center" />
<h3>September 8th, 2006 - Release of version 0.3</h3>
<p>
Version 0.3 of logback has been released.
</p>
<p>This release offers several new Appenders, support for Mapped
Diagnostic Context, improved tests and documentation<br />
</p>
<p>In response to a bug report by Rickard Nilsson on the logback
mailing list, a bug affecting parametrized logging was fixed.
</p>
<p>We also released a <a
href="http://logback.qos.ch/translator/">PropertiesTranslator</a>
webapp that converts <em>log4j.properties</em> files to joran
configuration files (in XML format).<br />
</p>
<hr width="80%" align="center" />
<h3>August 23th, 2006 - Release of version 0.2.5</h3>
<p> Version 0.2.5 of logback has been released. </p>
<p>This release offers better documentation. With a number of
correction mande in the short introduction to logback-classic.
</p>
<hr width="80%" align="center" />
<h3>August 15th, 2006 - Release of version 0.2</h3>
<p>Version 0.2 of logback has been released.</p>
<p>It offers better tests, a few more functionalities, and enhanced
documentation. We also improved the site design to make it simpler
and more efficient.
</p>
<hr width="80%" align="center" />
<h3>July 26th, 2006 - Release of version 0.1</h3>
<p>Version 0.1 of logback has been released.</p>
<hr width="80%" align="center" />
<h3>February 9th, 2006 - Logback web-site goes live</h3>
<p>The logback web-site goes live on the 9th of February. At its
present state, it is pretty primitive but updates will follow.
</p>
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