[logback-user] ERROR: URL [jar:file:/something.jar!/logback.groovy]is not of type file

Becker, Thomas Thomas.Becker at netapp.com
Thu Mar 24 20:12:10 CET 2011

I’ve been seeing this ever since we upgraded to 0.9.28, and have been meaning to open an issue about it.  It’s not specific to Groovy based configuration.  It’s really a pain when every unit tests produces this output, since it makes it much harder to simply grep for ERRORs…  You’re correct that it seems to not like the fact that the config file is jarred up.


From: Evgeny Goldin [mailto:evgenyg at gmail.com] 
Sent: Thursday, March 24, 2011 2:48 PM
To: logback-user at qos.ch
Subject: [logback-user] ERROR: URL [jar:file:/something.jar!/logback.groovy]is not of type file




I get the following error when my library starts. It uses Logback via SLF4J API and "logback.groovy" <https://github.com/evgeny-goldin/gcommons/blob/master/src/main/resources/logback.groovy>  is packed in the root of jar file.


20:36:58,117 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Found resource [logback.groovy] at [jar:file:/C:/Users/evgeny/.m2/repository/.../gcommons-0.5.3-SNAPSHOT.jar!/logback.groovy]

20:36:58,122 |-ERROR in ch.qos.logback.core.joran.spi.ConfigurationWatchList at 139d891 - URL [jar:file:/C:/Users/evgeny/.m2/repository/../gcommons-0.5.3-SNAPSHOT.jar!/logback.groovy] is not of type file

20:36:58,401 |-INFO in ch.qos.logback.classic.gaffer.ConfigurationDelegate at b92dc2 - About to instantiate appender of type [ch.qos.logback.core.ConsoleAppender]

20:36:58,402 |-INFO in ch.qos.logback.classic.gaffer.ConfigurationDelegate at b92dc2 - Naming appender as [CONSOLE]


I tracked it down to ConfigurationWatchList.convertToFile() <http://logback.qos.ch/xref/ch/qos/logback/core/joran/spi/ConfigurationWatchList.html#65>  that raises this error. 


1) Is it a bug that this an Ok jar-based URL is marked as an error?

2) Can I start up the library silently without those messages displayed? This is my main goal here.




Best regards,


evgeny-goldin.com <http://evgeny-goldin.com/> 


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