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  1. ,
    via oracle.com by Unknown author

    App tries to load in a class through its string name using forName method in class Class, findSystemClass method in class ClassLoader, loadClass method in class ClassLoader but no definition for the class with the specified name could be found.

  2. ,

    If the missing Java class is not from your application code, then identify if it belongs to a 3rd party API you are using as per of your Java application. Once you identify it, add the missing JAR file(s) to your runtime classpath or web app (WAR/EAR).

Solutions on the web

via Stack Overflow by stefan.at.wpf
, 2 years ago
Error configuring: com.zenjava:javafx-maven-plugin. Reason: Unable to retrieve component confi gurator for plugin configuration
via seratch.net by Unknown author, 2 years ago
Error configuring: org.springframework.boot:spring-boot-maven-plugin. Reason: Unable to retrieve component configurator for plugin configuration
via seratch.net by Unknown author, 2 years ago
Error configuring: org.springframework.boot:spring-boot-maven-plugin. Reason: Unable to retrieve component configurator for plugin configuration
via GitHub by dtelaroli
, 2 years ago
Error configuring: org.eluder.coveralls:coveralls-maven-plugin. Reason: Unable to parse the created DOM for plugin configuration
via GitHub by SaschaMoellering
, 2 years ago
Error configuring: com.alexecollins.docker:docker-maven-plugin. Reason: Unable to parse the created DOM for plugin configuration
org.apache.maven.lifecycle.LifecycleExecutionException: Error configuring: com.zenjava:javafx-maven-plugin. Reason: Unable to retrieve component configurator for plugin configuration at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:723) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:569) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:539) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:284) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) 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.PluginConfigurationException: Error configuring: com.zenjava:javafx-maven-plugin. Reason: Unable to retrieve component configurator for plugin configuration at org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:1368) at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:724) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:468) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694) ... 17 moreCaused by: org.codehaus.plexus.component.repository.exception.ComponentLookupException: Unable to lookup component 'org.codehaus.plexus.component.configurator.ComponentConfigurator', it could not be created at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:335) at org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:1351) ... 20 moreCaused by: org.codehaus.plexus.component.factory.ComponentInstantiationException: Could not instanciate component: role: 'org.codehaus.plexus.component.configurator.ComponentConfigurator', implementation: 'org.codehaus.plexus.component.configurator.BasicComponentConfigurator', role hint: 'basic' 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.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92) at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331) ... 21 moreCaused by: java.lang.NoClassDefFoundError: org/codehaus/plexus/classworlds/realm/ClassRealm at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413) at java.lang.Class.getConstructor0(Class.java:2723) at java.lang.Class.newInstance0(Class.java:345) at java.lang.Class.newInstance(Class.java:327) at org.codehaus.plexus.component.factory.java.JavaComponentFactory.newInstance(JavaComponentFactory.java:44) ... 25 moreCaused by: java.lang.ClassNotFoundException: org.codehaus.plexus.classworlds.realm.ClassRealm 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:423) 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:356) ... 31 more