Project build fails in RHPAM 7.5.0 / RHDM 7.5.0 due to missing mvel2 artifact

Issue

• Executing a maven build with a dependency on Drools from the RHDM 7.5.0 version fails due to a missing dependency:

  Could not resolve dependencies for project com.redhat.gss:simple-drools-test:jar:1.0-SNAPSHOT: 
  Failed to collect dependencies at org.drools:drools-core:jar:7.26.0.Final-redhat-00005 -> 
  org.kie.soup:kie-soup-project-datamodel-commons:jar:7.26.0.Final-redhat-00005 -> 
  org.mvel:mvel2:jar:2.3.2.Final-redhat-1: 
  Failed to read artifact descriptor for org.mvel:mvel2:jar:2.3.2.Final-redhat-1: 
  Could not transfer artifact org.mvel:mvel2:pom:2.3.2.Final-redhat-1 from/to central (https://repo.maven.apache.org/maven2): 
  repo.maven.apache.org: 
  Name or service not known: Unknown host repo.maven.apache.org: Name or service not known -> [Help 1]
  

• Creating a new project in RHPAM 7.5.0 fails if not connected to the internet:

  ERROR [org.guvnor.common.services.backend.exceptions.ExceptionUtilities] (default task-1) Exception thrown: 
  org.apache.maven.project.ProjectBuildingException: 1 problem was encountered while building the effective model
  [FATAL] Non-readable POM : input contained no data @