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    If JVM throws ClassNotFoundException the class is not found in classpath. Seems you are missing hibernate dependency in your project set up. Try downloading hibernate-core.jar and add to your project classpath.

Solutions on the web

via Apache's JIRA Issue Tracker by Christian Schlichtherle, 1 year ago
Failed to execute goal sample.plugin:hello-maven-plugin:1.0-SNAPSHOT:sayhi (default-cli) on project standalone-pom: Execution default-cli of goal sample.plugin:hello-maven-plugin:1.0-SNAPSHOT:sayhi failed: A required class was missing while
via Apache's JIRA Issue Tracker by Christian Schlichtherle, 1 year ago
Failed to execute goal sample.plugin:hello-maven-plugin:1.0-SNAPSHOT:sayhi (default-cli) on project standalone-pom: Execution default-cli of goal sample.plugin:hello-maven-plugin:1.0-SNAPSHOT:sayhi failed: A required class was missing while
via apache.org by Unknown author, 2 years ago
Failed to execute goal sample.plugin:hello-maven-plugin:1.0-SNAPSHOT:sayhi ( default -cli) on project standalone-pom: Execution default -cli of goal sample.plugin:hello-maven-plugin:1.0-SNAPSHOT:sayhi failed: A required class was missing while
via Stack Overflow by timothyclifford
, 1 year ago
/tim.clifford/.m2/repository/org/apache/sling/org.apache.sling.commons.json/2.0.6/org.apache.sling.commons.json-2.0.6.jar Number of foreign imports: 1 import: Entry[import from realm ClassRealm[maven.api, parent: null]] -----------------------------------------------------
via GitHub by jpopadak
, 10 months ago
-utils-3.0.20.jar urls[13] = file:/Users/jamespopadak/.m2/repository/org/apache/commons/commons-exec/1.3/commons-exec-1.3.jar Number of foreign imports: 1 import: Entry[import from realm ClassRealm[maven.api, parent: null]] -----------------------------------------------------
via Stack Overflow by HsnVahedi
, 2 years ago
/plexus-utils/1.1/plexus-utils-1.1.jar Number of foreign imports: 1 import: Entry[import from realm ClassRealm[maven.api, parent: null]] -----------------------------------------------------
java.lang.ClassNotFoundException: org.slf4j.helpers.MarkerIgnoringBase	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)	at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(ClassLoader.java:760)	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)	at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)	at java.net.URLClassLoader.access$100(URLClassLoader.java:73)	at java.net.URLClassLoader$1.run(URLClassLoader.java:368)	at java.net.URLClassLoader$1.run(URLClassLoader.java:362)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:361)	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:401)	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)	at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)	at sample.plugin.GreetingMojo.execute(GreetingMojo.java:10)	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)	at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)