Reactor Dependency Convergence

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

Statistics:
Number of modules: 19
Number of dependencies (NOD): 93
Number of unique artifacts (NOA): 96
Number of version-conflicting artifacts (NOC): 2
Number of SNAPSHOT artifacts (NOS): 0
Convergence (NOD/NOA): [Error] 96 %
Ready for release (100% convergence and no SNAPSHOTS): [Error] Error
You do not have 100% convergence.

Dependencies used in modules

commons-logging:commons-logging

[Error]
1.0.4
  1. org.apache.maven.doxia:doxia-module-fo:jar:1.9
    \- org.apache.xmlgraphics:fop:jar:2.3:compile
       +- org.apache.xmlgraphics:xmlgraphics-commons:jar:2.3:compile
       |  \- (commons-logging:commons-logging:jar:1.0.4:compile - omitted for conflict with 1.1.1)
       \- (commons-logging:commons-logging:jar:1.0.4:compile - omitted for conflict with 1.1.1)

1.1.1
  1. org.apache.maven.doxia:doxia-module-fo:jar:1.9
    \- commons-configuration:commons-configuration:jar:1.10:compile
       \- commons-logging:commons-logging:jar:1.1.1:compile

1.2
  1. org.apache.maven.doxia:doxia-module-fo:jar:1.9
    +- org.apache.xmlgraphics:fop:jar:2.3:compile
    |  \- org.apache.pdfbox:fontbox:jar:2.0.12:compile (version managed from 2.0.7)
    |     \- (commons-logging:commons-logging:jar:1.2:compile - omitted for conflict with 1.1.1)
    \- org.apache.maven.doxia:doxia-core:jar:1.9:compile
       \- org.apache.httpcomponents:httpclient:jar:4.5.8:compile
          \- (commons-logging:commons-logging:jar:1.2:compile - omitted for conflict with 1.1.1)

org.apache.xmlgraphics:xmlgraphics-commons

[Error]
2.2
  1. org.apache.maven.doxia:doxia-module-fo:jar:1.9
    \- org.apache.xmlgraphics:fop:jar:2.3:compile
       +- org.apache.xmlgraphics:batik-svg-dom:jar:1.10:compile
       |  \- org.apache.xmlgraphics:batik-css:jar:1.10:compile
       |     \- (org.apache.xmlgraphics:xmlgraphics-commons:jar:2.2:compile - omitted for conflict with 2.3)
       +- org.apache.xmlgraphics:batik-bridge:jar:1.10:compile
       |  \- (org.apache.xmlgraphics:xmlgraphics-commons:jar:2.2:compile - omitted for conflict with 2.3)
       \- org.apache.xmlgraphics:batik-awt-util:jar:1.10:compile
          \- (org.apache.xmlgraphics:xmlgraphics-commons:jar:2.2:compile - omitted for conflict with 2.3)

2.3
  1. org.apache.maven.doxia:doxia-module-fo:jar:1.9
    \- org.apache.xmlgraphics:fop:jar:2.3:compile
       \- org.apache.xmlgraphics:xmlgraphics-commons:jar:2.3:compile