Error al ejecutar app tetris viritin

Como les va? cuando intento correr esta app
https://https://github.com/samie/VaadinTetris
desde jetty , me da este error desde consola

[INFO]
 ------------------------------------------------------------------------
[INFO]
 BUILD FAILURE
[INFO]
 ------------------------------------------------------------------------
[INFO]
 Total time: 01:55 min
[INFO]
 Finished at: 2016-10-19T08:57:57-04:30
[INFO]
 Final Memory: 14M/117M
[INFO]
 ------------------------------------------------------------------------
[ERROR]
 Failed to execute goal com.vaadin.wscdn:wscdn-maven-plugin:0.0.1:generate (default) on project tetris: Remote widgetset compilation failed:  (no response) -> [Help 1]

[ERROR]
 
[ERROR]
 To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR]
 Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
 
[ERROR]
 For more information about the errors and possible solutions, please read the following articles:
[ERROR]
 [Help 1]
 http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
rubn@rubnPC:~/VaadinTetris$ open http://localhost:8888/

y al importar en eclipce tambien pero esta vez,
distinto.

[INFO]
 Scanning for projects...
[WARNING]
 The POM for org.eclipse.m2e:lifecycle-mapping:jar:1.0.0 is missing, no dependency information available
[WARNING]
 Failed to retrieve plugin descriptor for org.eclipse.m2e:lifecycle-mapping:1.0.0: Plugin org.eclipse.m2e:lifecycle-mapping:1.0.0 or one of its dependencies could not be resolved: Failure to find org.eclipse.m2e:lifecycle-mapping:jar:1.0.0 in https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced
[INFO]
 Downloading: http://oss.sonatype.org/content/repositories/vaadin-snapshots/org/codehaus/mojo/maven-metadata.xml
[INFO]
 Downloading: http://oss.sonatype.org/content/repositories/vaadin-snapshots/org/apache/maven/plugins/maven-metadata.xml
[INFO]
 Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-metadata.xml
[INFO]
 Downloading: https://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadata.xml
[INFO]
 Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-metadata.xml (13 KB at 6.1 KB/sec)
[INFO]
 Downloaded: https://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadata.xml (20 KB at 8.2 KB/sec)
[INFO]
 ------------------------------------------------------------------------
[INFO]
 BUILD FAILURE
[INFO]
 ------------------------------------------------------------------------
[INFO]
 Total time: 9.961 s
[INFO]
 Finished at: 2016-10-19T08:50:05-04:30
[INFO]
 Final Memory: 10M/119M
[INFO]
 ------------------------------------------------------------------------
[ERROR]
 No plugin found for prefix 'vaadin' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo]
 available from the repositories [local (/home/rubn/.m2/repository), vaadin-snapshots (http://oss.sonatype.org/content/repositories/vaadin-snapshots/), central (https://repo.maven.apache.org/maven2)]
 -> [Help 1]

[ERROR]
 
[ERROR]
 To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR]
 Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
 
[ERROR]
 For more information about the errors and possible solutions, please read the following articles:
[ERROR]
 [Help 1]
 http://cwiki.apache.org/confluence/display/MAVEN/NoPluginFoundForPrefixException

Hola,

Parece que el pom.xml usa un plugin que no está funcionando en el momento. En todo caso, ese plugin no es necesario. Intenta reemplazando el contenido de tu pom.xml por
este
.

Creé un pull-request en el repositorio original. Espero sea aceptado :slight_smile: