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JUnit and logging = exception

 
Heiko Graf
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Greetings rangers.
I stumbeld upon this exception, when I start my test with junit.swingui.TestRunner.run(testclass.class);

LogConfigurationException: invalid class loader hierarchy. You have more than one version of 'org.apache.commons.logging.Log' visible, which is not allowed

This does not happen, when I use textui instead of swingui, but the text output for failed tests is dreadfull.

Google doesn't help much on this, so I would like to ask, if someone of you knows how I could fix it.

I'm using java 1.4, JUnit 3.8.1 and Oracle JDeveloper 10.1.2.0.0.
Java 1.5 and Eclipse are both not an option for me at the moment.
 
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