Reactor Dependency Convergence

Legend:
[Error] At least one dependency has a differing version of the dependency or has SNAPSHOT dependencies.

Statistics:
Number of modules: 17
Number of dependencies (NOD): 65
Number of unique artifacts (NOA): 71
Number of version-conflicting artifacts (NOC): 3
Number of SNAPSHOT artifacts (NOS): 0
Convergence (NOD/NOA): [Error] 91 %
Ready for release (100% convergence and no SNAPSHOTS): [Error] Error
You do not have 100% convergence.

Dependencies used in modules

org.apache.httpcomponents:httpcore

[Error]
4.4.13
  1. org.apache.maven.resolver:maven-resolver-demo-snippets:jar:1.7.3
    \- org.apache.maven.resolver:maven-resolver-transport-http:jar:1.7.3:compile
       \- org.apache.httpcomponents:httpclient:jar:4.5.13:compile
          \- (org.apache.httpcomponents:httpcore:jar:4.4.13:compile - omitted for conflict with 4.4.14)

  2. org.apache.maven.resolver:maven-resolver-transport-http:jar:1.7.3
    \- org.apache.httpcomponents:httpclient:jar:4.5.13:compile
       \- (org.apache.httpcomponents:httpcore:jar:4.4.13:compile - omitted for conflict with 4.4.14)

4.4.14
  1. org.apache.maven.resolver:maven-resolver-demo-snippets:jar:1.7.3
    \- org.apache.maven.resolver:maven-resolver-transport-http:jar:1.7.3:compile
       \- org.apache.httpcomponents:httpcore:jar:4.4.14:compile

  2. org.apache.maven.resolver:maven-resolver-transport-http:jar:1.7.3
    \- org.apache.httpcomponents:httpcore:jar:4.4.14:compile

org.codehaus.plexus:plexus-classworlds

[Error]
2.5.2
  1. org.apache.maven.resolver:maven-resolver-transport-wagon:jar:1.7.3
    \- org.eclipse.sisu:org.eclipse.sisu.plexus:jar:0.3.5:compile
       \- (org.codehaus.plexus:plexus-classworlds:jar:2.5.2:compile - omitted for conflict with 2.6.0)

2.6.0
  1. org.apache.maven.resolver:maven-resolver-transport-wagon:jar:1.7.3
    \- org.codehaus.plexus:plexus-classworlds:jar:2.6.0:compile

org.codehaus.plexus:plexus-utils

[Error]
3.0.24
  1. org.apache.maven.resolver:maven-resolver-transport-wagon:jar:1.7.3
    \- org.eclipse.sisu:org.eclipse.sisu.plexus:jar:0.3.5:compile
       \- (org.codehaus.plexus:plexus-utils:jar:3.0.24:compile - omitted for conflict with 3.3.0)

3.3.0
  1. org.apache.maven.resolver:maven-resolver-transport-wagon:jar:1.7.3
    +- org.apache.maven.wagon:wagon-provider-api:jar:3.4.3:compile
    |  \- (org.codehaus.plexus:plexus-utils:jar:3.3.0:compile - omitted for duplicate)
    \- org.codehaus.plexus:plexus-utils:jar:3.3.0:compile