enforcer plugin 3.2.1 concurrent issue

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce (enforce-java) on project jetty-infinispan-embedded: Execution enforce-java of goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce failed: Cannot invoke "org.apache.maven.project.MavenProject.getDependencies()" because "project" is null -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce (enforce-java) on project jetty-infinispan-embedded: Execution enforce-java of goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce failed: Cannot invoke "org.apache.maven.project.MavenProject.getDependencies()" because "project" is null
    at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:306)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:211)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:165)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:157)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:121)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:210)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:195)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:539)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1136)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:635)
    at java.lang.Thread.run (Thread.java:833)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution enforce-java of goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce failed: Cannot invoke "org.apache.maven.project.MavenProject.getDependencies()" because "project" is null
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:148)
    at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:301)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:211)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:165)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:157)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:121)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:210)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:195)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:539)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1136)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:635)
    at java.lang.Thread.run (Thread.java:833)
Caused by: java.lang.NullPointerException: Cannot invoke "org.apache.maven.project.MavenProject.getDependencies()" because "project" is null
    at org.apache.maven.enforcer.rules.dependency.ResolveUtil.resolveTransitiveDependencies (ResolveUtil.java:87)
    at org.apache.maven.enforcer.rules.dependency.RequireUpperBoundDeps.execute (RequireUpperBoundDeps.java:100)
    at org.apache.maven.plugins.enforcer.EnforceMojo.executeRuleNew (EnforceMojo.java:351)
    at org.apache.maven.plugins.enforcer.EnforceMojo.executeRule (EnforceMojo.java:325)
    at org.apache.maven.plugins.enforcer.EnforceMojo.execute (EnforceMojo.java:248)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
    at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:301)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:211)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:165)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:157)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:121)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:210)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:195)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:539)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1136)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:635)
    at java.lang.Thread.run (Thread.java:833)
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce (ban-javax-servlet-api) on project jetty-infinispan-remote: Execution ban-javax-servlet-api of goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce failed: Cannot invoke "org.apache.maven.project.MavenProject.getDependencies()" because "project" is null -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce (ban-javax-servlet-api) on project jetty-infinispan-remote: Execution ban-javax-servlet-api of goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce failed: Cannot invoke "org.apache.maven.project.MavenProject.getDependencies()" because "project" is null
    at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:306)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:211)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:165)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:157)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:121)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:210)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:195)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:539)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1136)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:635)
    at java.lang.Thread.run (Thread.java:833)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution ban-javax-servlet-api of goal org.apache.maven.plugins:maven-enforcer-plugin:3.2.1:enforce failed: Cannot invoke "org.apache.maven.project.MavenProject.getDependencies()" because "project" is null
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:148)
    at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:301)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:211)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:165)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:157)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:121)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:210)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:195)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:539)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1136)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:635)
    at java.lang.Thread.run (Thread.java:833)
Caused by: java.lang.NullPointerException: Cannot invoke "org.apache.maven.project.MavenProject.getDependencies()" because "project" is null
    at org.apache.maven.enforcer.rules.dependency.ResolveUtil.resolveTransitiveDependencies (ResolveUtil.java:87)
    at org.apache.maven.enforcer.rules.dependency.BannedDependenciesBase.execute (BannedDependenciesBase.java:105)
    at org.apache.maven.enforcer.rules.dependency.BannedDependencies.execute (BannedDependencies.java:33)
    at org.apache.maven.plugins.enforcer.EnforceMojo.executeRuleNew (EnforceMojo.java:351)
    at org.apache.maven.plugins.enforcer.EnforceMojo.executeRule (EnforceMojo.java:325)
    at org.apache.maven.plugins.enforcer.EnforceMojo.execute (EnforceMojo.java:248)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
    at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:301)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:211)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:165)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:157)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:121)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:210)
    at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call (MultiThreadedBuilder.java:195)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:539)
    at java.util.concurrent.FutureTask.run (FutureTask.java:264)
    at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1136)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:635)
    at java.lang.Thread.run (Thread.java:833)

Were you able to get this issue resolved? I am seeing the same behavior in 3.3.0.

The Maven version could be the culprit. Upgrading from 3.8.5 to 3.8.8 resolves the issue in our case.