Error: You probably need to execute npm install to install brunch plugins. SyntaxError: Use of const in strict mode.
at /usr/local/lib/node_modules/brunch/lib/watch.js:433:19
at Array.map (native)
at loadDeps (/usr/local/lib/node_modules/brunch/lib/watch.js:418:10)
at loadPackages (/usr/local/lib/node_modules/brunch/lib/watch.js:438:15)
at /usr/local/lib/node_modules/brunch/lib/watch.js:458:19
at /usr/local/lib/node_modules/brunch/lib/helpers.js:529:16
at /usr/local/lib/node_modules/brunch/lib/helpers.js:485:14
at /usr/local/lib/node_modules/brunch/node_modules/read-components/index.js:263:16
at /usr/local/lib/node_modules/brunch/node_modules/read-components/index.js:72:14
at Object.cb [as oncomplete] (fs.js:169:19)

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Ambari Main ........................................ SUCCESS [ 3.980 s]
[INFO] Apache Ambari Project POM .......................... SUCCESS [ 0.369 s]
[INFO] Ambari Web ......................................... FAILURE [ 4.443 s]
[INFO] Ambari Views ....................................... SKIPPED
[INFO] Ambari Admin View .................................. SKIPPED
[INFO] ambari-metrics ..................................... SKIPPED
[INFO] Ambari Metrics Common .............................. SKIPPED
[INFO] Ambari Metrics Hadoop Sink ......................... SKIPPED
[INFO] Ambari Metrics Flume Sink .......................... SKIPPED
[INFO] Ambari Metrics Kafka Sink .......................... SKIPPED
[INFO] Ambari Metrics Storm Sink .......................... SKIPPED
[INFO] Ambari Metrics Storm Sink (Legacy) ................. SKIPPED
[INFO] Ambari Metrics Collector ........................... SKIPPED
[INFO] Ambari Metrics Monitor ............................. SKIPPED
[INFO] Ambari Metrics Grafana ............................. SKIPPED
[INFO] Ambari Metrics Assembly ............................ SKIPPED
[INFO] Ambari Metrics elasticsearch Sink .................. SKIPPED
[INFO] Ambari Metrics Cassandra Sink ...................... SKIPPED
[INFO] Ambari Metrics presto Sink ......................... SKIPPED
[INFO] Ambari Metrics redis Sink .......................... SKIPPED
[INFO] Ambari Metrics flink Sink .......................... SKIPPED
[INFO] Ambari Server ...................................... SKIPPED
[INFO] Ambari Functional Tests ............................ SKIPPED
[INFO] Ambari Agent ....................................... SKIPPED
[INFO] Ambari Client ...................................... SKIPPED
[INFO] Ambari Python Client ............................... SKIPPED
[INFO] Ambari Groovy Client ............................... SKIPPED
[INFO] Ambari Shell ....................................... SKIPPED
[INFO] Ambari Python Shell ................................ SKIPPED
[INFO] Ambari Groovy Shell ................................ SKIPPED
[INFO] ambari-logsearch ................................... SKIPPED
[INFO] Ambari Logsearch Appender .......................... SKIPPED
[INFO] Ambari Logsearch Solr Client ....................... SKIPPED
[INFO] Ambari Logsearch Portal ............................ SKIPPED
[INFO] Ambari Logsearch Log Feeder ........................ SKIPPED
[INFO] Ambari Logsearch Assembly .......................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 11.567 s
[INFO] Finished at: 2017-12-26T20:23:59+08:00
[INFO] Final Memory: 19M/47M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (compile-brunch) on project ambari-web: Command execution failed. Process exited with an error: 8 (Exit value: 8) -> [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/confl...
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :ambari-web