"mvn clean package" throwing error

[majchinmesh]

[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.uber.Chaperone:ChaperoneClient:jar:1.0-SNAPSHOT
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.apache.kafka:kafka_${kafka.scala.version}:jar -> duplicate declaration of version ${kafka.version} @ line 108, column 21
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.uber.Chaperone:ChaperoneCollector:jar:1.0-SNAPSHOT
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.apache.kafka:kafka_${kafka.scala.version}:jar -> duplicate declaration of version ${kafka.version} @ line 109, 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]
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] Chaperone [pom]
[INFO] ChaperoneServiceController [jar]
[INFO] ChaperoneServiceWorker [jar]
[INFO] ChaperoneClient [jar]
[INFO] ChaperoneCollector [jar]
[INFO] ChaperoneDistribution [jar]
[INFO]
[INFO] --------------------< com.uber.Chaperone:Chaperone >--------------------
[INFO] Building Chaperone 1.0-SNAPSHOT [1/6]
[INFO] --------------------------------[ pom ]---------------------------------
Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-source-plugin/maven-metadata.xml
[WARNING] Could not transfer metadata org.apache.maven.plugins:maven-source-plugin/maven-metadata.xml from/to central (https://repo.maven.apache.org/maven2): myproxy.host.net
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Chaperone 1.0-SNAPSHOT ............................. FAILURE [ 1.208 s]
[INFO] ChaperoneServiceController ......................... SKIPPED
[INFO] ChaperoneServiceWorker ............................. SKIPPED
[INFO] ChaperoneClient .................................... SKIPPED
[INFO] ChaperoneCollector ................................. SKIPPED
[INFO] ChaperoneDistribution 1.0-SNAPSHOT ................. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.884 s
[INFO] Finished at: 2018-09-18T16:20:59+05:30
[INFO] ------------------------------------------------------------------------
[ERROR] Error resolving version for plugin 'org.apache.maven.plugins:maven-source-plugin' from the repositories [local (C:\Users\chinmesh.manjrekar.m2\repository), central (https://repo.maven.apache.org/maven2)]: Plugin not found in any plugin repository -> [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/PluginVersionResolutionException
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