Reactor Dependency Convergence

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

Statistics:
Number of modules: 3
Number of dependencies (NOD): 29
Number of unique artifacts (NOA): 30
Number of version-conflicting artifacts (NOC): 1
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

com.google.guava:guava

[Error]
11.0.2
  1. org.apache.maven.resolver:maven-resolver-demo-snippets:jar:1.0.0-SNAPSHOT
    \- org.sonatype.sisu:sisu-guice:jar:no_aop:3.1.6:compile
       \- com.google.guava:guava:jar:11.0.2:compile

20.0
  1. org.apache.maven.resolver:maven-resolver-demo-snippets:jar:1.0.0-SNAPSHOT
    \- org.apache.maven:maven-resolver-provider:jar:3.5.0:compile
       \- org.apache.maven:maven-model-builder:jar:3.5.0:compile
          \- (com.google.guava:guava:jar:20.0:compile - omitted for conflict with 11.0.2)