ClassCircularityError when running Tomcat 6 from Eclipse

Question

I\'m using Eclipse 3.5, with my Tomcat runtime set as Tomcat 6.0.26. My Java VM is JDK 1.6.17 (Mac OS X).

When I try to run a web application from an Eclipse Java E

Answer 1

I'm not sure why this resolved the problem, but setting the default level to INFO made this go away for me

.level = INFO

Answer 2

In had the same error when using Logback.

In my case, the problem was I used JUL LevelChangePropagator in my Logback configuration file.

So I just had to remove the following listener

<contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
    <resetJUL>true</resetJUL>
</contextListener>

Answer 3

I was able to circumvent this problem by moving the <contextListener ...> to the very end of the configuration file (previously, I had it at the beginning of the file). The error remains really weird, though.

Answer 4

The problem is solved if you insert this snippet into your logback configuration:

<!-- LEVEL CAN NOT BE DEBUG -->
<logger name="org.apache" level="INFO"></logger>