Hi All,
I'm getting NoClassDefFoundError, when I run "mvn site:site" or "mvn
cobertura:cobertura".
java.lang.NoClassDefFoundError: org/apache/log4j/Category
at
org.codehaus.mojo.cobertura.tasks.CommandLineArguments.getCommandsFile(CommandLineArguments.java:71)
at
org.codehaus.mojo.cobertura.tasks.AbstractTask.executeJava(AbstractTask.java:179)
at
org.codehaus.mojo.cobertura.tasks.InstrumentTask.execute(InstrumentTask.java:125)
at
org.codehaus.mojo.cobertura.CoberturaInstrumentMojo.execute(CoberturaInstrumentMojo.java:121)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:447)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.j
ava:493)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:463)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExe
cutor.java:311)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.jav
a:278)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:333)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:126)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:282)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
I searched several forums, including this one, found several posts with the
same problem, most of them using Ant. The recommended solution seems to be
adding the log4j dependency. I tried adding that but unfortunately it didn't
work. Here is my cobertura-maven-plugin configuration in pom.xml.
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>cobertura-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<formats>
<format>html</format>
<format>xml</format>
</formats>
<dependencies>
<dependency>
<groupId>net.sourceforge.cobertura</groupId>
<artifactId>cobertura</artifactId>
<version>1.9</version>
</dependency>
<dependency>
<groupId>net.sourceforge.cobertura</groupId>
<artifactId>cobertura-runtime</artifactId>
<version>1.9</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.12</version>
<properties>
<classloader>root.maven</classloader>
</properties>
</dependency>
</dependencies>
</configuration>
</plugin>
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