Hi

I'm having a strange phenomenon with the Surefire plugin. It's failing in one 
specific project of mine, but runs without problem in others.

It also failed only in Maven 2.2.0 - I tried the same version (2.4.3) in Maven 
2.0.9, and it worked without problem.

I found a couple of previous mails concerning this error on the mailing list, 
but they're all old.

What I'm getting is listed below.

Can someone tell me how to proceed?

Thanks & best regards,
Eric


...

[WARNING] POM for 'org.apache.maven.surefire:surefire-booter:pom:2.4.3:runtime' 
is invalid.

Its dependencies (if any) will NOT be available to the current build.
[WARNING] POM for 'org.codehaus.plexus:plexus-utils:pom:1.5.1:runtime' is 
invalid.

Its dependencies (if any) will NOT be available to the current build.
[WARNING] POM for 'org.apache.maven:maven-toolchain:pom:1.0:runtime' is invalid.

Its dependencies (if any) will NOT be available to the current build.
-----------------------------------------------------
this realm = 
app0.child-container[org.apache.maven.plugins:maven-surefire-plugin:2.4.3]
urls[0] = file:/C:/Documents and 
Settings/lewis_lee/.m2/repository/org/apache/maven/plugins/maven-surefire-plugin/2.4.3/maven-surefire-plugin-2.4.3.jar
urls[1] = file:/C:/Documents and 
Settings/lewis_lee/.m2/repository/org/apache/maven/surefire/surefire-booter/2.4.3/surefire-booter-2.4.3.jar
urls[2] = file:/C:/Documents and 
Settings/lewis_lee/.m2/repository/org/codehaus/plexus/plexus-utils/1.5.1/plexus-utils-1.5.1.jar
Number of imports: 10
import: org.codehaus.classworlds.en...@a6c57a42
import: org.codehaus.classworlds.en...@12f43f3b
import: org.codehaus.classworlds.en...@20025374
import: org.codehaus.classworlds.en...@f8e44ca4
import: org.codehaus.classworlds.en...@92758522
import: org.codehaus.classworlds.en...@ebf2705b
import: org.codehaus.classworlds.en...@bb25e54
import: org.codehaus.classworlds.en...@bece5185
import: org.codehaus.classworlds.en...@3fee8e37
import: org.codehaus.classworlds.en...@3fee19d8


this realm = plexus.core
urls[0] = file:/c:/Programme/Maven/lib/maven-2.2.0-uber.jar
Number of imports: 10
import: org.codehaus.classworlds.en...@a6c57a42
import: org.codehaus.classworlds.en...@12f43f3b
import: org.codehaus.classworlds.en...@20025374
import: org.codehaus.classworlds.en...@f8e44ca4
import: org.codehaus.classworlds.en...@92758522
import: org.codehaus.classworlds.en...@ebf2705b
import: org.codehaus.classworlds.en...@bb25e54
import: org.codehaus.classworlds.en...@bece5185
import: org.codehaus.classworlds.en...@3fee8e37
import: org.codehaus.classworlds.en...@3fee19d8
-----------------------------------------------------
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Internal error in the plugin manager executing goal 
'org.apache.maven.plugins:maven-surefire-plugin:2.4.3:test': Unable to load the 
mojo 'org.apache.maven.plugins:maven-surefire-plugin:2.4.3:test' in the plugin 
'org.apache.maven.plugins:maven-surefire-plugin'. A required class is missing: 
org/apache/maven/surefire/util/NestedCheckedException
org.apache.maven.surefire.util.NestedCheckedException
[INFO] ------------------------------------------------------------------------
[INFO] For more information, run Maven with the -e switch
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7 seconds
[INFO] Finished at: Thu Aug 06 14:11:44 CEST 2009
[INFO] Final Memory: 17M/32M



with -e switch

[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Internal error in the plugin manager executing goal 
'org.apache.maven.plugins:maven-surefire-plugin:2.4.3:test': Unable to load the 
mojo 'org.apache.maven.plugins:maven-surefire-plugin:2.4.3:test' in the plugin 
'org.apache.maven.plugins:maven-surefire-plugin'. A required class is missing: 
org/apache/maven/surefire/util/NestedCheckedException
org.apache.maven.surefire.util.NestedCheckedException
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in the 
plugin manager executing goal 
'org.apache.maven.plugins:maven-surefire-plugin:2.4.3:test': Unable to load the 
mojo 'org.apache.maven.plugins:maven-surefire-plugin:2.4.3:test' in the plugin 
'org.apache.maven.plugins:maven-surefire-plugin'. A required class is missing: 
org/apache/maven/surefire/util/NestedCheckedException
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:682)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:540)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:519)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:371)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:332)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:181)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:356)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
        at 
org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:41)
        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)
Caused by: org.apache.maven.plugin.PluginManagerException: Unable to load the 
mojo 'org.apache.maven.plugins:maven-surefire-plugin:2.4.3:test' in the plugin 
'org.apache.maven.plugins:maven-surefire-plugin'. A required class is missing: 
org/apache/maven/surefire/util/NestedCheckedException
        at 
org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:662)
        at 
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:461)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:678)
        ... 17 more
Caused by: 
org.codehaus.plexus.component.repository.exception.ComponentLookupException: 
Unable to lookup component 
'org.apache.maven.plugin.Mojoorg.apache.maven.plugins:maven-surefire-plugin:2.4.3:test',
 it could not be created
        at 
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:335)
        at 
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440)
        at 
org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:645)
        ... 19 more
Caused by: 
org.codehaus.plexus.component.factory.ComponentInstantiationException: Could 
not instanciate component: role: 'null', implementation: 
'org.apache.maven.plugin.surefire.SurefirePlugin'
        at 
org.codehaus.plexus.component.factory.java.JavaComponentFactory.makeException(JavaComponentFactory.java:77)
        at 
org.codehaus.plexus.component.factory.java.JavaComponentFactory.newInstance(JavaComponentFactory.java:62)
        at 
org.codehaus.plexus.DefaultPlexusContainer.createComponentInstance(DefaultPlexusContainer.java:1464)
        at 
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:93)
        at 
org.codehaus.plexus.component.manager.PerLookupComponentManager.getComponent(PerLookupComponentManager.java:48)
        at 
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
        ... 21 more
Caused by: java.lang.NoClassDefFoundError: 
org/apache/maven/surefire/util/NestedCheckedException
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
        at 
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
        at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at 
org.codehaus.classworlds.RealmClassLoader.loadClassDirect(RealmClassLoader.java:195)
        at 
org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:255)
        at 
org.codehaus.classworlds.RealmClassLoader.loadClass(RealmClassLoader.java:214)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
        at java.lang.Class.getDeclaredConstructors0(Native Method)
        at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
        at java.lang.Class.getConstructor0(Class.java:2699)
        at java.lang.Class.newInstance0(Class.java:326)
        at java.lang.Class.newInstance(Class.java:308)
        at 
org.codehaus.plexus.component.factory.java.JavaComponentFactory.newInstance(JavaComponentFactory.java:44)
        ... 25 more
Caused by: java.lang.ClassNotFoundException: 
org.apache.maven.surefire.util.NestedCheckedException
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at 
org.codehaus.classworlds.RealmClassLoader.loadClassDirect(RealmClassLoader.java:195)
        at 
org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:255)
        at 
org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:274)
        at 
org.codehaus.classworlds.RealmClassLoader.loadClass(RealmClassLoader.java:214)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
        ... 45 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7 seconds
[INFO] Finished at: Thu Aug 06 14:22:32 CEST 2009
[INFO] Final Memory: 17M/32M
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