build error when run 'mvn assembly:assembly -DdescriptorId=jar-with-dependencies package'.

[neoskywalker7]

Hi, I try to run 'mvn assembly:assembly -DdescriptorId=jar-with-dependencies package' following your instruction. But I met some unexpected question. Why did it happen? I really wanna know how to fix it

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.3:compile (default-compile) on project alexa-skills-kit-samples: Compilation failure: Compilation failure: [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[22,34] package org.eclipse.jetty.util.ssl does not exist [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[65,9] cannot find symbol [ERROR] symbol: class SslContextFactory [ERROR] location: class Launcher [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[65,67] cannot access org.eclipse.jetty.util.component.ContainerLifeCycle [ERROR] class file for org.eclipse.jetty.util.component.ContainerLifeCycle not found [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[78,24] cannot access org.eclipse.jetty.util.component.LifeCycle [ERROR] class file for org.eclipse.jetty.util.component.LifeCycle not found [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[82,15] cannot access org.eclipse.jetty.util.Attributes [ERROR] class file for org.eclipse.jetty.util.Attributes not found [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[85,16] cannot access org.eclipse.jetty.util.component.Graceful [ERROR] class file for org.eclipse.jetty.util.component.Graceful not found [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[86,15] cannot access org.eclipse.jetty.util.component.Destroyable [ERROR] class file for org.eclipse.jetty.util.component.Destroyable not found [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[87,28] cannot access javax.servlet.http.HttpServlet [ERROR] class file for javax.servlet.http.HttpServlet not found [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[87,16] cannot access org.eclipse.jetty.util.component.AbstractLifeCycle [ERROR] class file for org.eclipse.jetty.util.component.AbstractLifeCycle not found [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[88,28] cannot access javax.servlet.Servlet [ERROR] class file for javax.servlet.Servlet not found [ERROR] /home/local/ANT/longzhen/Downloads/alexa-skills-kit-java-master/samples/src/main/java/Launcher.java:[89,15] method start in class org.eclipse.jetty.server.Server cannot be applied to given types; [ERROR] required: org.eclipse.jetty.util.component.LifeCycle [ERROR] found: no arguments [ERROR] reason: actual and formal argument lists differ in length [ERROR] -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.3:compile (default-compile) on project alexa-skills-kit-samples: Compilation failure at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:213) 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.MojoExecutor.executeForkedExecutions(MojoExecutor.java:365) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:199) 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:84) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59) at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196) at org.apache.maven.cli.MavenCli.main(MavenCli.java:141) 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:498) 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) Caused by: org.apache.maven.plugin.compiler.CompilationFailureException: Compilation failure at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:911) at org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.java:129) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)

[neoskywalker7]

I solve it

[terrayuku]

how?

[jawadhussain]

Delete contents from C:\Users\user.m2\repository. Either everything or selectively - your choice. Then use the command prompt to force download jars and build mvn clean install

[ghost]

closing this issue as it appears to have been resolved Thanks @jawadhussain for the instructions.