[logback-user] [Question] fileNamePattern in logback.xml

K.O.Gadellaa at rn.rabobank.nl K.O.Gadellaa at rn.rabobank.nl
Tue Sep 11 13:16:44 CEST 2012

Pardon the interruption, but do I understand correctly that the configuration then isn't XML, but a java string?
(if it was XML, this wouldn't be a problem, right? As XML is independent of Java...)


Kind regards,


Van: logback-user-bounces at qos.ch [mailto:logback-user-bounces at qos.ch] Namens Chris Pratt
Verzonden: maandag 10 september 2012 17:43
Aan: logback users list
Onderwerp: Re: [logback-user] [Question] fileNamePattern in logback.xml

There's really nothing to fix, it's a Java limitation.  The \ has special meaning, and to escape it you MUST use \\.

On Mon, Sep 10, 2012 at 3:44 AM, Seeta Vadali <svadali at sdl.com<mailto:svadali at sdl.com>> wrote:
Dear Logback team,

          First of all I am not very sure is it correct way to ask questions regarding logback. I couldn't find any forum. I thought of creating bug in JIRA (http://jira.qos.ch/browse/LOGBACK) but I don't have rights .... So I am dropping mail to given mail id...

          Coming to bug :
          I am trying to optimize logback.xml file in our environment. Logging directory location we are specifying in more than one location so I am trying to create a variable ( property ) to hold log directory and reuse. Now problem is if path is "D:\seeta\log" then logback is stripping out all back ward slashes and giving it as "D:seetalog". I know if I use forward slash or double slash it works fine but I cannot control the user who use my tool. Can you please help us in fixing it?

          Working scenario
      <fileNamePattern> d:\seeta\log\cd_core.%d{yyyy-MM-dd}.log</fileNamePattern>
          NON-Working Scenario
      <property name="log.dir" value="d:\seeta\log"/>

NOTE : I have attached logback.jar and configuration files. Here {{logback_working.xml}} is existing configuration and trying to modify to {{ logback_NOT_working.xml}}

Seeta Vadali


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