ERROR] Failed to execute goal com.github.eirslett:frontend-maven-plugin:1.7.5:install-node-and-yarn (install yarn) on project appformer-js: Could not download Node.js: Could not download https://nodejs.org/dist/v11.6.0/node-v11.6.0-linux-x64.tar.gz: Network is unreachable (connect failed) -> [Help 1]
DEBUG util.py:257:  [ERROR] 
DEBUG util.py:257:  [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
DEBUG util.py:257:  [ERROR] Re-run Maven using the -X switch to enable full debug logging.
DEBUG util.py:257:  [ERROR] 
DEBUG util.py:257:  [ERROR] For more information about the errors and possible solutions, please read the following articles:
DEBUG util.py:257:  [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
DEBUG util.py:257:  [ERROR] 
DEBUG util.py:257:  [ERROR] After correcting the problems, you can resume the build with the command

DEBUG util.py:257:  [ERROR]   mvn <goals> -rf :appformer-js

DEBUG util.py:257:  [INFO] Downloading https://nodejs.org/dist/v11.6.0/node-v11.6.0-linux-x64.tar.gz to /builddir/.m2/repository/com/github/eirslett/node/11.6.0/node-11.6.0-linux-x64.tar.gz
DEBUG util.py:257:  [INFO] No proxies configured
DEBUG util.py:257:  [INFO] No proxy was configured, downloading directly
DEBUG util.py:257:  Jun 06, 2019 2:46:11 PM org.apache.http.impl.execchain.RetryExec execute
DEBUG util.py:257:  INFO: I/O exception (java.net.SocketException) caught when processing request to {s}->https://nodejs.org:443: Network is unreachable (connect failed)