Github user ChristianSchulte commented on the pull request:
https://github.com/apache/maven/pull/32#issuecomment-77428933
I have no experience with the cobertura plugin. I just added
```
<reportPlugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>cobertura-maven-plugin</artifactId>
<version>2.7</version>
</reportPlugin>
```
to the configuration of the site plugin of a working project. Executing
`mvn site -e` with Maven 3.2.5, site building succeeds. Using Maven
3.3.0-SNAPSHOT with the latest changes to head, the following exception is
thrown.
```
[ERROR] Exception in thread "main" java.lang.NoClassDefFoundError:
org/slf4j/LoggerFactory
at
net.sourceforge.cobertura.instrument.InstrumentMain$LoggerWrapper.<init>(InstrumentMain.java:165)
at
net.sourceforge.cobertura.instrument.InstrumentMain$LoggerWrapper.<init>(InstrumentMain.java:164)
at
net.sourceforge.cobertura.instrument.InstrumentMain.<clinit>(InstrumentMain.java:66)
Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 3 more
```
That exception is not thrown using Maven 3.2.5. There still seems to be a
class loading issue.
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