[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.maven.enforcer:enforcer-api:jar:2.0-SNAPSHOT
[WARNING] 'reporting.plugins.plugin.version' for org.apache.maven.plugins:maven-javadoc-plugin is missing. @ org.apache.maven.enforcer:enforcer:2.0-SNAPSHOT, /Users/kama/ws-git/apache/maven-enforcer/pom.xml, line 267, column 15
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.maven.enforcer:enforcer-rules:jar:2.0-SNAPSHOT
[WARNING] 'reporting.plugins.plugin.version' for org.apache.maven.plugins:maven-javadoc-plugin is missing. @ org.apache.maven.enforcer:enforcer:2.0-SNAPSHOT, /Users/kama/ws-git/apache/maven-enforcer/pom.xml, line 267, column 15
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.maven.plugins:maven-enforcer-plugin:maven-plugin:2.0-SNAPSHOT
[WARNING] 'reporting.plugins.plugin.version' for org.apache.maven.plugins:maven-javadoc-plugin is missing. @ org.apache.maven.enforcer:enforcer:2.0-SNAPSHOT, /Users/kama/ws-git/apache/maven-enforcer/pom.xml, line 267, column 15
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.maven.enforcer:enforcer:pom:2.0-SNAPSHOT
[WARNING] 'reporting.plugins.plugin.version' for org.apache.maven.plugins:maven-javadoc-plugin is missing. @ line 267, column 15
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]