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Cheers, Tim

Sent from my iPhone

On 6 Oct 2009, at 01:12, Derek Chen-Becker <dchenbec...@gmail.com>  
wrote:

> Changing the logging has to come at the very beginning of the boot  
> method. I'm using slf4j in a 1.0.2 project and it's working fine.  
> The very first line of my boot method is:
>
> LogBoot.loggerSetup = () => true
>
> which basically disables Lift setting up any logging (you'll have to  
> do your own configuration via xml or API). Try that and let me know  
> if you still have problems.
>
> Derek
>
> On Fri, Oct 2, 2009 at 3:02 PM, Christopher Mason  
> <cjma...@gmail.com> wrote:
>
> So, is this support only present post 1.0.2?  Cause in 1.0.2 it seems
> like log4j symbols are referenced before my Boot.boot() gets called
> (see below).  Also, what do you mean by "Configure slf4j to use
> Slf4jLogBoot" (doc says "Note that slf4j back-end should be configured
> previously to use Slf4jLogBoot." which also doesn't make sense to
> me).    Sorry I missed the Slf4jLogBoot class; I'm still learning how
> to use Intellij to properly navigate scala code.
>
> Thanks!
>
> -c
>
> java.lang.NoClassDefFoundError: org/apache/log4j/LogManager
>        at net.liftweb.util.LogBoot$.log4jIsConfigured$1(Log.scala:114)
> [massqc-1.3-foo-all.jar:na]
>        at net.liftweb.util.LogBoot$._log4JSetup(Log.scala:130)  
> [massqc-1.3-
> foo-all.jar:na]
>        at net.liftweb.util.LogBoot$$anonfun$2.apply(Log.scala:96)
> [massqc-1.3-foo-all.jar:na]
>        at net.liftweb.util.LogBoot$$anonfun$2.apply(Log.scala:96)
> [massqc-1.3-foo-all.jar:na]
>        at net.liftweb.util.LogBoot$.checkConfig(Log.scala:94)  
> [massqc-1.3-
> foo-all.jar:na]
>        at net.liftweb.util.LogBoot$.net$liftweb$util$LogBoot$$_logger
> (Log.scala:140) [massqc-1.3-foo-all.jar:na]
>        at net.liftweb.util.LogBoot$$anonfun$3.apply(Log.scala:142)
> [massqc-1.3-foo-all.jar:na]
>        at net.liftweb.util.LogBoot$$anonfun$3.apply(Log.scala:142)
> [massqc-1.3-foo-all.jar:na]
>        at net.liftweb.http.LiftRules$.<init>(LiftRules.scala:559)
> [massqc-1.3-foo-all.jar:na]
>        at net.liftweb.http.LiftRules$.<clinit>(LiftRules.scala)  
> [massqc-1.3-
> foo-all.jar:na]
>        at net.liftweb.http.LiftFilter.init(LiftServlet.scala:554)
> [massqc-1.3-foo-all.jar:na]
>        at org.eclipse.jetty.servlet.FilterHolder.doStart 
> (FilterHolder.java:
> 74) [massqc-1.3-foo-all.jar:na]
>
>
> Also
>
> On Oct 2, 3:58 am, Indrajit Raychaudhuri <indraj...@gmail.com> wrote:
> > You can of course use slf4j instead of log4j in your application.
> >
> > Quick steps:
> >
> > 1. Exclude log4j from dependency tree by adding exclusion filter in
> > lift-webkit dependency. POM should look something like this:
> >
> >       <dependency>
> >          <groupId>net.liftweb</groupId>
> >          <artifactId>lift-webkit</artifactId>
> >          <version>1.1-SNAPSHOT</version>
> >          <exclusions>
> >            <exclusion>
> >              <groupId>log4j</groupId>
> >              <artifactId>log4j</artifactId>
> >            </exclusion>
> >          </exclusions>
> >       <dependency>
> >
> > 2. Add slf4j, logback dependencies in POM
> >
> > 3. Enable slf4j in Boot:
> >
> > Slf4jLogBoot.enable()
> >
> > 4. Configure slf4j to use Slf4jLogBoot
> >
> > Cheers, Indrajit
> >
> > NB: net.liftweb.util.Slf4jLogBoot has a nice scaladoc with the above
> > steps. You might wish to go through that as well :-)
> >
> > On 02/10/09 1:50 PM, Christopher Mason wrote:
> >
> >
> >
> > > Is log4j a hard dependency to break?  It seems like you're using  
> slf4j
> > > most places, but then have some hard deps for configuration.  I'm
> > > using logback.  How hard would it be for me to remove the log4j  
> dep
> > > and replace with slf4j/logback.  (I have logback already  
> configured in
> > > my servlet container.)
> >
> > > Thanks!
> >
> > > -c
>
>
>
>
> >

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