I am trying to sort out an interaction between Log4J and the JUnit swing
interface.
I have distilled the problem down into 4 very small source files
(ExamplePrint.java, ExampleLog4J.java, ExamplePrintTest.java and
ExampleLog4Jtest.java), and an xml configuration file. The ExamplePrint is a
simple class with a constructor and a one line method, it calls
System.out.println(). The ExampleLog4J is the equivalent that calls
logger.info() instead. The other files are simple JUnit exercisers.
The following command lines work a expected...
java example.ExamplePrint
java example.ExampleLog4J
java junit.textui.TestRunner example.ExamplePrintTest
java junit.textui.TestRunner example.ExampleLog4JTest
java junit.swingui.TestRunner example.ExamplePrintTest
The following line
java junit.swingui.TestRunner example.ExampleLog4Jtest
causes the following log4j error messages
log4j:ERROR A "org.apache.log4j.xml.DOMConfigurator" object
is not assignable to a "org.apache.log4j.spi.Configurator" variable
log4j:ERROR The class "org.apache.log4j.spi.Configurator"
was loaded by
log4j:ERROR [junit.runner.TestCaseClassLoader@cd66ea]
whereas object of type
log4j:ERROR "org.apache.log4j.xml.DOMConfigurator" was
loaded by [sun.misc.Launcher$AppClassLoader@2f6684].
log4j:ERROR Could not instantiate configurator
[org.apache.log4j.xml.DOMConfigurator].
log4j:WARN No appenders could be found for logger
(example.ExampleLog4J).
log4j:WARN Please initialize the log4j system properly.
Please can anyone let me know what is happening!
Regards (and Happy New Year to all)
Steve.
PS: The source code, xml and log files are available for inspection if
needed.
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