[HADOOP-15490] Multiple declaration of maven-enforcer-plugin found in pom.xml

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.2.0
• Assignee: Nandakumar
• Reporter: Nandakumar
• Created: 22/May/18 19:14
• Updated: 31/May/18 18:24
• Resolved: 31/May/18 18:03

Description

Multiple declaration of maven-enforcer-plugin in pom.xml is causing the below warning during build.

[WARNING] Some problems were encountered while building the effective model for org.apache.hadoop:hadoop-project:pom:3.2.0-SNAPSHOT
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-enforcer-plugin @ org.apache.hadoop:hadoop-main:3.2.0-SNAPSHOT, /Users/nvadivelu/codebase/apache/hadoop/pom.xml, line 431, column 15
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.hadoop:hadoop-main:pom:3.2.0-SNAPSHOT
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-enforcer-plugin @ line 431, 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.