[logback-user] Retrieving the log filenames

[Ceki Gulcu]

Hello Clemens,

Lance's suggestion is almost certaint on target. Do check your classpath 
to see if there are multiple instances of logback-classic lying around.
--
Ceki
On 29.03.2011 14:13, Clemens Siebler wrote:
> Thanks for the hint Lance! I feel like this could be the issue. However,
> I haven't managed to actually find a solution to it. I tried starting my
> application with -verbose:class, but I can only see one entry of:
> [Loaded ch.qos.logback.classic.LoggerContext from
> file:/yyy/logback-classic-0.9.21.jar]. I suppose there should be
> multiple of these, if that actually is the problem? Thanks for your help!
>
>
> On Fri, Mar 25, 2011 at 4:54 PM, Lance White <lance.white at logicscope.com
> <mailto:lance.white at logicscope.com>> wrote:
>
>      >> However, when I try to use this code outside of my test
>     environement, I get the following Exception on the first line:
>      >> java.lang.ClassCastException:
>     ch.qos.logback.classic.LoggerContext cannot be cast to
>     ch.qos.logback.classic.LoggerContext
>
>     This is usually a multiple classloader problem.
>
>     Lance
>
>     *From:*logback-user-bounces at qos.ch
>     <mailto:logback-user-bounces at qos.ch>
>     [mailto:logback-user-bounces at qos.ch
>     <mailto:logback-user-bounces at qos.ch>] *On Behalf Of *Clemens Siebler
>     *Sent:* 24 March 2011 16:16
>     *To:* logback users list
>     *Subject:* Re: [logback-user] Retrieving the log filenames
>
>     Ok, I figured out how to get at least the base logfile:
>              LoggerContext ctx = (LoggerContext)
>     LoggerFactory.getILoggerFactory();
>              for (Logger l : ctx.getLoggerList()) {
>                  ch.qos.logback.classic.Logger log =
>     (ch.qos.logback.classic.Logger) l;
>                  Iterator<Appender<ILoggingEvent>> it =
>     log.iteratorForAppenders();
>                  while (it.hasNext()) {
>                      Appender<ILoggingEvent> ap = it.next();
>                      if (ap instanceof FileAppender<?> || ap instanceof
>     RollingFileAppender<?>) {
>                          FileAppender<?> fileAppender = (FileAppender<?>)ap;
>                          System.out.println(fileAppender.getFile());
>                      }
>                  }
>              }
>
>     However, when I try to use this code outside of my test
>     environement, I get the following Exception on the first line:
>     java.lang.ClassCastException: ch.qos.logback.classic.LoggerContext
>     cannot be cast to ch.qos.logback.classic.LoggerContext
>
>     Any ideas? I'm currently using Jetty, slf4j and logback. However, it
>     seems that there are still some dependencies on log4j in Jetty that
>     I can't get rid of...
>
>     On Tue, Mar 22, 2011 at 10:23 AM, Clemens Siebler
>     <clemens.siebler at googlemail.com
>     <mailto:clemens.siebler at googlemail.com>> wrote:
>
>     As far as log4j goes, the getAppender function can be used. However,
>     I have not managed to get this one working for logback. Any ideas?
>
>     On Mon, Mar 21, 2011 at 3:42 PM, Clemens Siebler
>     <clemens.siebler at googlemail.com
>     <mailto:clemens.siebler at googlemail.com>> wrote:
>
>     Let's assume the user only changes the logging levels/filter during
>     runtime, nothing else.
>
>     On Mon, Mar 21, 2011 at 3:32 PM, David Roussel
>     <nabble at diroussel.xsmail.com <mailto:nabble at diroussel.xsmail.com>>
>     wrote:
>
>     Would a change notifier be told of the new filename?  I'm not sure,
>     but it's worth a check.
>
>
>     On 21 Mar 2011, at 13:56, Clemens Siebler
>     <clemens.siebler at googlemail.com
>     <mailto:clemens.siebler at googlemail.com>> wrote:
>
>      > Hi all,
>      >
>      > I'm currently using Logback (SLF4J) with a TimeBasedRollingPolicy
>     defined in logback.xml. Everything works fine, however, I'd like to
>     retrieve the filenames of the current logging session since the
>     application started. The user can obviously change the log filenames
>     and policies in logback.xml, so I don't want them hardcoded in the
>     source. My goal is to retrieve these filenames straight within Java
>     in order to do some more processing with them. Is there any
>     possibility in logback/slf4j to retrieve those names?
>      >
>      > I currently aquire the logger via:
>      > Logger logger = LoggerFactory.getLogger(Test.class);
>      >
>      > but obviously, this Logger object in particular doesn't provide
>     such functionality. Any ideas?
>      >
>      > Thanks in advance,
>      > Clemens