C:\git\yasgui>mvn package
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.data2semantics.yasgui:yasgui:war:13.07
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: net.sf.opencsv:opencsv:jar -> version 2.3 vs 2.0 @ line 187, 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]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building YASGUI 13.07
[INFO] ------------------------------------------------------------------------
C:\git\yasgui>mvn package [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for com.data2semantics.yasgui:yasgui:war:13.07 [WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: net.sf.opencsv:opencsv:jar -> version 2.3 vs 2.0 @ line 187, 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] [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building YASGUI 13.07 [INFO] ------------------------------------------------------------------------