For what it's worth, I successfully built trunk just now on macOS Sierra using mvn install -Pdist -Dtar -DskipTests -DskipShade -Dmaven.javadoc.skip
On Monday, April 17, 2017 12:32 PM, Zhe Zhang <z...@apache.org> wrote: Starting from last week, building trunk on my local Mac has been flaky. I haven't tried Linux yet. The error is: [ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce (clean) on project hadoop-assemblies: Some Enforcer rules have failed. Look above for specific messages explaining why the rule failed. -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce (clean) on project hadoop-assemblies: Some Enforcer rules have failed. Look above for specific messages explaining why the rule failed. at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217) ... Anyone else seeing the same issue? Thanks, -- Zhe Zhang Apache Hadoop Committer http://zhe-thoughts.github.io/about/ | @oldcap