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  1. Launcher.main() has thrown a LifecycleExecutionException
    Plexus Classworlds

Your stack trace compared to the selected pattern

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org.apache.maven.plugin.MojoExecutionException: Connection failed
6 matching frames hidden
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.sonatype.plugins:nexus-m2settings-maven-plugin:1.5.2-SNAPSHOT:download (default-cli) on project nexus-maven-plugins: Connection failed
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    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(

External results for this pattern (2)