[logback-dev] [JIRA] Created: (LBCLASSIC-270) Logback throws NP Exception when trying to use groovy configuration file.

Nicolai Marck Ødum (JIRA) noreply-jira at qos.ch
Wed May 25 11:10:51 CEST 2011

Logback throws NP Exception when trying to use groovy configuration file.

                 Key: LBCLASSIC-270
                 URL: http://jira.qos.ch/browse/LBCLASSIC-270
             Project: logback-classic
          Issue Type: Bug
          Components: Other
    Affects Versions: 0.9.29
         Environment: Has been verifed on both Linux and Windows and Oracle "standard" JVM and Oracle JRockit.
slf4j-api.jar logback-classic.jar and logback-core.jar should be in %JRE_HOME%/lib/endorsed folder

Start applikation with -Dlogback.configurationFile=<somewhere>/logback.groovy
            Reporter: Nicolai Marck Ødum
            Assignee: Logback dev list

If logback jars (logback-claaic and logback-core) are located in endorsed libraries ( -Djava.endorsed.dirs) its not possible to use a logback configuration url that ends with groovy.

This is because of line 23 in ch.qos.logback.classic.util.EnvUtil 

    ClassLoader classLoader =  EnvUtil.class.getClassLoader();

witch return null if called from endorsed libraries.

It should work if you change it to

    ClassLoader classLoader =  EnvUtil.class.getClassLoader();
    if (classLoader == null)
        classLoader = ClassLoader.getSystemClassLoader();

I have not been able to verify this fix since I am not able to build logback :-(

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