I could be wrong, but I thought log4j2 provides the equivalent bridging functionality to other logging frameworks.
Cheers, Paul On Fri, Jan 29, 2016 at 11:14 AM, Greg Huber <gregh3...@gmail.com> wrote: > Yes, if you are logging directly to log4j2 but if other jars use slf4j you > need to delegate the logging (create a log4j2.xml if upgrading from v1, > note the format is also different!) > > > <dependency> > <groupId>org.slf4j</groupId> > <artifactId>slf4j-api</artifactId> > <version>1.7.14</version> > </dependency> > <dependency> > <groupId>org.apache.logging.log4j</groupId> > <artifactId>log4j-slf4j-impl</artifactId> > <version>2.5</version> > </dependency> > > Cheers Greg > > > ###################################### > here is what i use, via Jakarta Commons Logging JCL. > > (.....although my velocity is logging to the console!) > > <dependencies> > <!-- Jakarta Commons Logging JCL --> > <dependency> > <groupId>commons-logging</groupId> > <artifactId>commons-logging</artifactId> > <version>1.2</version> > </dependency> > > <!-- Actual Logging Implementation log4j 2 --> > <dependency> > <groupId>org.apache.logging.log4j</groupId> > <artifactId>log4j-core</artifactId> > <version>2.5</version> > </dependency> > <dependency> > <groupId>org.apache.logging.log4j</groupId> > <artifactId>log4j-api</artifactId> > <version>2.5</version> > </dependency> > > <!-- Logging redirects --> > <!-- log4j 2 Jakarta Commons Logging JCL Bridge --> > <!-- If existing components use Apache Commons Logging 1.x will > delegate > all Jakarta Commons Logging JCL Log4j 2 --> > <dependency> > <groupId>org.apache.logging.log4j</groupId> > <artifactId>log4j-jcl</artifactId> > <version>2.5</version> > </dependency> > <!-- SLF4J Bridge --> > <!-- If existing components use SLF4J and you want to have this logging > routed to Log4j 2 --> > <dependency> > <groupId>org.apache.logging.log4j</groupId> > <artifactId>log4j-slf4j-impl</artifactId> > <version>2.5</version> > </dependency> > > <!-- slf4j Logging --> > <dependency> > <groupId>org.slf4j</groupId> > <artifactId>slf4j-api</artifactId> > <version>1.7.14</version> > </dependency> > <!-- SLF4J Bridge. Not used see above log directly to Log4j 2 --> > <!-- slf4j bridge to Jakarta Commons Logging JCL and will delegate all > SLF4J > logging to Jakarta Commons Logging JCL. --> > <!-- <dependency> <groupId>org.slf4j</groupId> > <artifactId>slf4j-jcl</artifactId> > <version>1.7.14</version> </dependency --> > </dependencies> > > <Configuration> > > <Properties> > <Property name="log-path">${sys:catalina.home}/logs</Property> > </Properties> > > <Appenders> > > <RollingFile name="RollingFile" fileName="${log-path}/events.log" > filePattern="${log-path}/events-%d{yyyy-MM-dd}-%i.log"> > > <PatternLayout> > <pattern>%d %-5p %c %C{1}:%M - %m%n</pattern> > </PatternLayout> > > <Policies> > <TimeBasedTriggeringPolicy /><!-- Rotated everyday --> > <SizeBasedTriggeringPolicy size="999KB" /> > </Policies> > > <DefaultRolloverStrategy max="3" /> > </RollingFile> > > </Appenders> > > <Loggers> > > <Root level="ERROR" additivity="false"> > <AppenderRef ref="RollingFile" /> > </Root> > > </Loggers> > > </Configuration> > > On 29 January 2016 at 16:48, Martin Gainty <mgai...@hotmail.com> wrote: > > > Hi Greg- > > > > can you confirm these dependencies for log4j? > > > > <dependencies> <dependency> > > <groupId>org.apache.logging.log4j</groupId> > > <artifactId>log4j-api</artifactId> <version>2.5</version> > > </dependency> <dependency> > > <groupId>org.apache.logging.log4j</groupId> > > <artifactId>log4j-core</artifactId> <version>2.5</version> > > </dependency> <dependency> <groupId>junit</groupId> > > <artifactId>junit</artifactId> <version>4.9</version> > > <scope>test</scope> </dependency> </dependencies> > > Thanks! > > Martin > > ______________________________________________ > > > > > > > > > Date: Fri, 29 Jan 2016 16:04:18 +0000 > > > Subject: Re: Upgrade to tiles 3 jcl-over-slf4j > > > From: gregh3...@gmail.com > > > To: dev@struts.apache.org > > > > > > Well, I currently log with commons, but to get struts logging working I > > > have had to upgrade to v2 and use the log4j2.xml file. > > > > > > Also a good idea to bypass the commons for slf4j and go directly. > > > > > > Cheers Greg > > > > > > > > > > > > On 29 January 2016 at 15:07, Christoph Nenning < > > > christoph.nenn...@lex-com.net> wrote: > > > > > > > > Should jcl-over-slf4j be in the tiles-core pom? > > > > > > > > > > > > > I see that it is currently the case but I do not need it. > > > > > > > > > > > > > <snip /> > > > > > slf4j-jcl is used to delegate all SLF4J logging to Commons Logging. > > > > > <snip /> > > > > > and then log4j-jcl to delegate all to Commons Logging to log4j 2 > > > > > > > > SLF4J can be forwarded to log4j 2 directly with log4j-slf4j-impl. > > There is > > > > no need to include Commons Logging (if you don't need it for other > > reasons > > > > than forwarding). > > > > > > > > <dependency> > > > > <groupId>org.apache.logging.log4j</groupId> > > > > <artifactId>log4j-slf4j-impl</artifactId> > > > > </dependency> > > > > > > > > > > > > > > > > Regards, > > > > Christoph > > > > > > > > > > > > > > > > > It seems to be an option for migrating from Jakarta Commons Logging > > > > which > > > > > some might not want to do. > > > > > > > > > > <dependency> > > > > > <groupId>org.slf4j</groupId> > > > > > <artifactId>jcl-over-slf4j</artifactId> > > > > > </dependency> > > > > > > > > > > > > > > > http://www.slf4j.org/legacy.html > > > > > > > > > > To ease migration to SLF4J from JCL > > > > > > > > > > ##### > > > > > > > > > > I use Jakarta Commons Logging. > > > > > > > > > > > > > > > slf4j-jcl is used to delegate all SLF4J logging to Commons Logging. > > > > > > > > > > <dependency> > > > > > <groupId>org.slf4j</groupId> > > > > > <artifactId>slf4j-jcl</artifactId> > > > > > </dependency> > > > > > > > > > > > > > > > and then log4j-jcl to delegate all to Commons Logging to log4j 2 > > > > > > > > > > <dependency> > > > > > <groupId>org.apache.logging.log4j</groupId> > > > > > <artifactId>log4j-jcl</artifactId> > > > > > <version>2.5</version> > > > > > </dependency> > > > > > > > > > > > > > > > > > > > > Cheers Greg. > > > > > > > > > > > > This Email was scanned by Sophos Anti Virus > > > > > > >