Nigel Jones created ATLAS-2571:
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Summary: Maven: duplicate declarations
Key: ATLAS-2571
URL: https://issues.apache.org/jira/browse/ATLAS-2571
Project: Atlas
Issue Type: Improvement
Reporter: Nigel Jones
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for
org.apache.atlas:atlas-graphdb-titan0:jar:1.0.0-SNAPSHOT
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must
be unique: org.apache.solr:solr-solrj:jar -> version (?) vs ${solr.version} @
org.apache.atlas:atlas-graphdb-titan0:[unknown-version],
/Users/jonesn/IdeaProjects/atlas/graphdb/titan0/pom.xml, line 194, column 21
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must
be unique: org.apache.solr:solr-core:jar -> version (?) vs ${solr.version} @
org.apache.atlas:atlas-graphdb-titan0:[unknown-version],
/Users/jonesn/IdeaProjects/atlas/graphdb/titan0/pom.xml, line 200, column 21
[WARNING]
[WARNING] Some problems were encountered while building the effective model for
org.apache.atlas:hive-bridge:jar:1.0.0-SNAPSHOT
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found
duplicate declaration of plugin org.apache.maven.plugins:maven-resources-plugin
@ org.apache.atlas:hive-bridge:[unknown-version],
/Users/jonesn/IdeaProjects/atlas/addons/hive-bridge/pom.xml, line 484, column 21
[WARNING]
[WARNING] Some problems were encountered while building the effective model for
org.apache.atlas:falcon-bridge:jar:1.0.0-SNAPSHOT
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found
duplicate declaration of plugin org.apache.maven.plugins:maven-resources-plugin
@ org.apache.atlas:falcon-bridge:[unknown-version],
/Users/jonesn/IdeaProjects/atlas/addons/falcon-bridge/pom.xml, line 370, column
21
[WARNING]
[WARNING] Some problems were encountered while building the effective model for
org.apache.atlas:sqoop-bridge:jar:1.0.0-SNAPSHOT
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found
duplicate declaration of plugin org.apache.maven.plugins:maven-resources-plugin
@ org.apache.atlas:sqoop-bridge:[unknown-version],
/Users/jonesn/IdeaProjects/atlas/addons/sqoop-bridge/pom.xml, line 433, column
21
[WARNING]
[WARNING] Some problems were encountered while building the effective model for
org.apache.atlas:storm-bridge:jar:1.0.0-SNAPSHOT
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found
duplicate declaration of plugin org.apache.maven.plugins:maven-resources-plugin
@ org.apache.atlas:storm-bridge:[unknown-version],
/Users/jonesn/IdeaProjects/atlas/addons/storm-bridge/pom.xml, line 536, column
21
[WARNING]
[WARNING] Some problems were encountered while building the effective model for
org.apache.atlas:hbase-bridge:jar:1.0.0-SNAPSHOT
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found
duplicate declaration of plugin org.apache.maven.plugins:maven-resources-plugin
@ org.apache.atlas:hbase-bridge:[unknown-version],
/Users/jonesn/IdeaProjects/atlas/addons/hbase-bridge/pom.xml, line 508, column
21
[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]
[WARNING] The project org.apache.atlas:apache-atlas:pom:1.0.0-SNAPSHOT uses
prerequisites which is only intended for maven-plugin projects but not for non
maven-plugin projects. For such purposes you should use the
maven-enforcer-plugin. See
[https://maven.apache.org/enforcer/enforcer-rules/requireMavenVersion.html]
[INFO] ------------------------------------------------------------------------
These are generally caused by duplicates - for example taking the first:
<dependency>
<groupId>org.apache.solr</groupId>
<artifactId>solr-solrj</artifactId>
</dependency>
<dependency>
<groupId>org.apache.solr</groupId>
<artifactId>solr-solrj</artifactId>
<version>${solr.version}</version>
</dependency>
So we have it declared twice, once pulling in solr.version - defined in the top
level pom, and the other blank. In the case of this plugin, the version is not
declared in any DependencyManagement section (the common way of defining
default plugin versions which can then be overriden in child poms)
Cleaning this up.
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