URL not needed on UNIX

[Ulrik Sandberg <ul...@purple.se>]

It seems log4j 1.1.3 doesn't need the property file path to be in URL 
format when running on UNIX, while on Windows98 it's required. 
Am I correct?

Assume the class LogTest.java:

import org.apache.log4j.Category;                                           
                                                                            
public class LogTest {
    private static final Category log = 
        Category.getInstance(LogTest.class);

    public static void main(String[] args) {
        log.error("This is an error message");
    }
}

and the config file log4j.properties:

log4j.rootCategory=DEBUG, F
log4j.appender.F=org.apache.log4j.FileAppender
log4j.appender.F.layout=org.apache.log4j.PatternLayout
log4j.appender.F.layout.ConversionPattern=%d{ABSOLUTE} %m%n
log4j.appender.F.File=logtest.log

Having log4j.jar and log4j.properties in the current dir, this works 
on Solaris7:

% java -cp .:log4j.jar LogTest

Running the same code on Win98 (using the same log4j.jar and 
log4j.properties):

C:\>java -cp .;log4j.jar LogTest
log4j:ERROR No appenders could be found for category (LogTest).
log4j:ERROR Please initialize the log4j system properly.

Specifying the property file doesn't help:

C:\>java -Dlog4j.configuration=log4j.properties -cp .;log4j.jar LogTest
log4j:ERROR No appenders could be found for category (LogTest).
log4j:ERROR Please initialize the log4j system properly.

However, when using a URL path, it succeeds:

C:\>java -Dlog4j.configuration=file:log4j.properties -cp .;log4j.jar LogTest
                               ^^^^^

Debug
=====
Running with -Dlog4j.configDebug results in this on Solaris7:

log4j: Trying to find [log4j.properties] using
sun.misc.Launcher$AppClassLoader@3f52a5 class loader.
log4j: Using URL [file:/users/ulsa/src/logtest/log4j.properties] for automatic
log4j configuration.
log4j: Reading configuration from URL
file:/users/ulsa/src/logtest/log4j.properties

On Win98 without URL:

C:\>java -Dlog4j.configDebug -Dlog4j.configuration=log4j.properties -cp
.;log4j.jar LogTest
log4j: Could not find resource: [log4j.properties].
log4j:ERROR No appenders could be found for category (LogTest).
log4j:ERROR Please initialize the log4j system properly.
...

On Win98 with URL:

C:\>java -Dlog4j.configDebug -Dlog4j.configuration=file:log4j.properties -cp
.;log4j.jar LogTest
log4j: Reading configuration from URL file:log4j.properties
...

--Ulrik Sandberg

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