Unable to Build Metron Due to Inaccessible Repository

$ mvn clean package

...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Metron ............................................. SUCCESS [ 0.713 s]
[INFO] metron-stellar ..................................... SUCCESS [ 0.603 s]
[INFO] stellar-common ..................................... SUCCESS [ 27.023 s]
[INFO] metron-analytics ................................... SUCCESS [ 0.028 s]
[INFO] metron-maas-common ................................. SUCCESS [ 0.912 s]
[INFO] metron-platform .................................... SUCCESS [ 0.602 s]
[INFO] metron-zookeeper ................................... SUCCESS [ 2.452 s]
[INFO] metron-test-utilities .............................. SUCCESS [ 1.632 s]
[INFO] metron-integration-test ............................ SUCCESS [ 14.218 s]
[INFO] metron-maas-service ................................ SUCCESS [ 16.997 s]
[INFO] metron-common ...................................... SUCCESS [ 28.231 s]
[INFO] metron-statistics .................................. SKIPPED
[INFO] metron-writer ...................................... SKIPPED
[INFO] metron-storm-kafka-override ........................ SUCCESS [ 8.378 s]
[INFO] metron-storm-kafka ................................. SUCCESS [ 1.802 s]
[INFO] metron-hbase ....................................... FAILURE [ 4.242 s]
[INFO] metron-profiler-common ............................. SKIPPED
[INFO] metron-profiler-client ............................. SKIPPED
[INFO] metron-profiler-storm .............................. SKIPPED
[INFO] metron-profiler-spark .............................. SKIPPED
[INFO] metron-profiler-repl ............................... SKIPPED
[INFO] metron-hbase-client ................................ SUCCESS [ 17.158 s]
[INFO] metron-enrichment .................................. SKIPPED
[INFO] metron-indexing .................................... SKIPPED
[INFO] metron-solr ........................................ SKIPPED
[INFO] metron-job ......................................... SUCCESS [ 1.714 s]
[INFO] metron-pcap ........................................ SKIPPED
[INFO] metron-pcap-backend ................................ SKIPPED
[INFO] metron-data-management ............................. SKIPPED
[INFO] metron-parsing ..................................... SUCCESS [ 0.181 s]
[INFO] metron-parsers-common .............................. SKIPPED
[INFO] metron-parsers ..................................... SKIPPED
[INFO] metron-management .................................. SKIPPED
[INFO] elasticsearch-shaded ............................... SUCCESS [ 16.799 s]
[INFO] metron-elasticsearch ............................... SKIPPED
[INFO] metron-parsing-storm ............................... SKIPPED
[INFO] metron-deployment .................................. SUCCESS [ 0.027 s]
[INFO] Elasticsearch Ambari Management Pack ............... SUCCESS [ 1.996 s]
[INFO] Metron Ambari Management Pack ...................... SUCCESS [ 3.064 s]
[INFO] metron-contrib ..................................... SUCCESS [ 0.027 s]
[INFO] metron-docker ...................................... SUCCESS [ 1.675 s]
[INFO] metron-performance ................................. SUCCESS [ 3.314 s]
[INFO] metron-interface ................................... SUCCESS [ 0.028 s]
[INFO] metron-config ...................................... SKIPPED
[INFO] metron-alerts ...................................... SKIPPED
[INFO] metron-rest-client ................................. SKIPPED
[INFO] metron-rest ........................................ SKIPPED
[INFO] site-book .......................................... SUCCESS [ 1.152 s]
[INFO] 3rd party Functions (just for tests) ............... SUCCESS [ 0.325 s]
[INFO] stellar-zeppelin ................................... SUCCESS [ 1.947 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:15 min (Wall Clock)
[INFO] Finished at: 2019-02-19T15:04:17-05:00
[INFO] Final Memory: 873M/1634M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project metron-hbase: Could not resolve dependencies for project org.apache.metron:metron-hbase:jar:0.7.1: Failed to collect dependencies at org.apache.storm:storm-hbase:jar:1.0.1.2.5.0.0-1245 -> org.apache.hadoop:hadoop-hdfs:jar:2.7.3.2.5.0.0-1245 -> org.mortbay.jetty:jetty:jar:6.1.26.hwx: Failed to read artifact descriptor for org.mortbay.jetty:jetty:jar:6.1.26.hwx: Could not transfer artifact org.mortbay.jetty:jetty:pom:6.1.26.hwx from/to multiline-release-repo (https://raw.github.com/benelog/multiline/master/maven-repository): Failed to transfer file: https://raw.github.com/benelog/multiline/master/maven-repository/org/mortbay/jetty/jetty/6.1.26.hwx/jetty-6.1.26.hwx.pom. Return code is: 503 , ReasonPhrase:Backend unavailable, connection timeout. -> [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/DependencyResolutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :metron-hbase