travis_fold:start:worker_info Worker information hostname: cead42b3-f73f-4808-9b24-410fa3c8bcc4@1.worker-org-78c6f46d9c-2jdtm.gce-production-1 version: v6.2.1 https://github.com/travis-ci/worker/tree/4e3246c044eb4915c2378ffacd0b3d3ed0136bba instance: travis-job-15baf997-d4d0-4b6a-9cda-81dfea4a8b01 travis-ci-sardonyx-xenial-1553530528-f909ac5 (via amqp) startup: 6.505322618s travis_fold:end:worker_info travis_fold:start:system_info Build system information Build language: ruby Build group: stable Build dist: xenial Build id: 564609653 Job id: 564609654 Runtime kernel version: 4.15.0-1028-gcp travis-build version: 24c88d12b Build image provisioning date and time Mon Mar 25 16:43:24 UTC 2019 Operating System Details Distributor ID: Ubuntu Description: Ubuntu 16.04.6 LTS Release: 16.04 Codename: xenial Systemd Version systemd 229 Cookbooks Version 42e42e4 https://github.com/travis-ci/travis-cookbooks/tree/42e42e4 git version git version 2.21.0 bash version GNU bash, version 4.3.48(1)-release (x86_64-pc-linux-gnu) gcc version gcc (Ubuntu 5.4.0-6ubuntu1~16.04.11) 5.4.0 20160609 docker version Client: Version: 18.06.0-ce API version: 1.38 Go version: go1.10.3 Git commit: 0ffa825 Built: Wed Jul 18 19:11:02 2018 OS/Arch: linux/amd64 Experimental: false Server: Engine: Version: 18.06.0-ce API version: 1.38 (minimum version 1.12) Go version: go1.10.3 Git commit: 0ffa825 Built: Wed Jul 18 19:09:05 2018 OS/Arch: linux/amd64 Experimental: false clang version clang version 7.0.0 (tags/RELEASE_700/final) jq version jq-1.5 bats version Bats 0.4.0 shellcheck version 0.6.0 shfmt version v2.6.3 ccache version 3.2.4 cmake version cmake version 3.12.4 heroku version heroku/7.22.7 linux-x64 node-v11.10.1 imagemagick version Version: ImageMagick 6.8.9-9 Q16 x86_64 2018-09-28 http://www.imagemagick.org md5deep version 4.4 mercurial version version 4.8 mysql version mysql Ver 14.14 Distrib 5.7.25, for Linux (x86_64) using EditLine wrapper openssl version OpenSSL 1.0.2g 1 Mar 2016 packer version 1.3.3 postgresql client version psql (PostgreSQL) 10.7 (Ubuntu 10.7-1.pgdg16.04+1) ragel version Ragel State Machine Compiler version 6.8 Feb 2013 sudo version 1.8.16 gzip version gzip 1.6 zip version Zip 3.0 vim version VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Nov 24 2016 16:44:48) iptables version iptables v1.6.0 curl version curl 7.47.0 (x86_64-pc-linux-gnu) libcurl/7.47.0 GnuTLS/3.4.10 zlib/1.2.8 libidn/1.32 librtmp/2.3 wget version GNU Wget 1.17.1 built on linux-gnu. rsync version rsync version 3.1.1 protocol version 31 gimme version v1.5.3 nvm version 0.34.0 perlbrew version /home/travis/perl5/perlbrew/bin/perlbrew - App::perlbrew/0.86 phpenv version rbenv 1.1.2 rvm version rvm 1.29.7 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io] default ruby version ruby 2.5.3p105 (2018-10-18 revision 65156) [x86_64-linux] CouchDB version couchdb 1.6.1 ElasticSearch version 5.5.0 Installed Firefox version firefox 63.0.1 MongoDB version MongoDB 4.0.7 PhantomJS version 2.1.1 Pre-installed PostgreSQL versions 9.4.21 9.5.16 9.6.12 Redis version redis-server 5.0.4 Pre-installed Go versions 1.11.1 mvn version Apache Maven 3.6.0 (97c98ec64a1fdfee7767ce5ffb20918da4f719f3; 2018-10-24T18:41:47Z) gradle version Gradle 4.10.2! lein version Leiningen 2.9.1 on Java 11.0.2 OpenJDK 64-Bit Server VM Pre-installed Node.js versions v10.15.3 v11.0.0 v4.9.1 v6.17.0 v8.12.0 v8.15.1 v8.9 phpenv versions system 5.6 5.6.40 7.1 7.1.27 7.2 * 7.2.15 (set by /home/travis/.phpenv/version) hhvm hhvm-stable composer --version Composer version 1.8.4 2019-02-11 10:52:10 Pre-installed Ruby versions ruby-2.3.8 ruby-2.4.5 ruby-2.5.3 travis_fold:end:system_info travis_fold:start:docker_mtu travis_fold:end:docker_mtu travis_fold:start:resolvconf travis_fold:end:resolvconf travis_fold:start:git.checkout travis_time:start:08c30089 $ git clone --depth=50 --branch=gh-pages https://github.com/iluwatar/java-design-patterns.git iluwatar/java-design-patterns Cloning into 'iluwatar/java-design-patterns'... travis_time:end:08c30089:start=1564314481416810192,finish=1564314483160975974,duration=1744165782 $ cd iluwatar/java-design-patterns $ git checkout -qf d4fdea1cf476e64e283f55f0cc04af7fede973ab travis_fold:end:git.checkout travis_fold:start:git.submodule travis_time:start:1cd70816 $ git submodule update --init --recursive Submodule 'patterns' (https://github.com/iluwatar/java-design-patterns.git) registered for path 'patterns' Submodule 'programming-principles' (https://github.com/webpro/programming-principles.git) registered for path 'programming-principles' Cloning into '/home/travis/build/iluwatar/java-design-patterns/patterns'... Cloning into '/home/travis/build/iluwatar/java-design-patterns/programming-principles'... Submodule path 'patterns': checked out '17bfc91f4532ab06d48bbfed5c2f9ad030a80651' Submodule path 'programming-principles': checked out '0b6db25cab685b2e0af9adde6552cb27182fb944' travis_time:end:1cd70816:start=1564314483189212287,finish=1564314486550504506,duration=3361292219 travis_fold:end:git.submodule Setting environment variables from .travis.yml $ export NOKOGIRI_USE_SYSTEM_LIBRARIES=true $ export S3_ID=[secure] $ export S3_SECRET=[secure] travis_fold:start:rvm travis_time:start:0011af24 $ rvm use 2.2.0 --install --binary --fuzzy curl: (22) The requested URL returned error: 404 Not Found Required ruby-2.2.0 is not installed - installing. curl: (22) The requested URL returned error: 404 Not Found Searching for binary rubies, this might take some time. Found remote file https://rubies.travis-ci.org/ubuntu/16.04/x86_64/ruby-2.2.0.tar.bz2 Checking requirements for ubuntu. Requirements installation successful. ruby-2.2.0 - #configure ruby-2.2.0 - #download % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 68 23.1M 68 15.9M 0 0 11.9M 0 0:00:01 0:00:01 --:--:-- 11.9M 100 23.1M 100 23.1M 0 0 16.1M 0 0:00:01 0:00:01 --:--:-- 72.6M No checksum for downloaded archive, recording checksum in user configuration. ruby-2.2.0 - #validate archive ruby-2.2.0 - #extract ruby-2.2.0 - #validate binary ruby-2.2.0 - #setup ruby-2.2.0 - #gemset created /home/travis/.rvm/gems/ruby-2.2.0@global ruby-2.2.0 - #importing gemset /home/travis/.rvm/gemsets/global.gemsthere was an error installing gem bundler |/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/. ruby-2.2.0 - #generating global wrappers|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-. ruby-2.2.0 - #uninstalling gem rubygems-bundler-1.4.5|/. ruby-2.2.0 - #gemset created /home/travis/.rvm/gems/ruby-2.2.0 ruby-2.2.0 - #importing gemset /home/travis/.rvm/gemsets/default.gemsthere was an error installing gem bundler |/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/. ruby-2.2.0 - #generating default wrappers|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\. Using /home/travis/.rvm/gems/ruby-2.2.0 travis_time:end:0011af24:start=1564314486569457353,finish=1564314517106567698,duration=30537110345 travis_fold:end:rvm travis_fold:start:install_bundler travis_time:start:01cc3fc0 $ gem install bundler -v '< 2' Successfully installed bundler-1.17.3 1 gem installed travis_time:end:01cc3fc0:start=1564314517163302574,finish=1564314517706251634,duration=542949060 travis_fold:end:install_bundler $ export BUNDLE_GEMFILE=$PWD/Gemfile travis_fold:start:cache.1 Setting up build cache $ export CASHER_DIR=${TRAVIS_HOME}/.casher travis_time:start:00685b44 $ Installing caching utilities travis_time:end:00685b44:start=1564314518457726405,finish=1564314518741382339,duration=283655934 travis_time:start:025d3ac0 travis_time:end:025d3ac0:start=1564314518749200759,finish=1564314518753162162,duration=3961403 travis_time:start:255489f7 attempting to download cache archive fetching gh-pages/cache-linux-xenial-e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855--rvm-2.2.0--gemfile-Gemfile.tgz fetching gh-pages/cache--rvm-2.2.0--gemfile-Gemfile.tgz fetching master/cache-linux-xenial-e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855--rvm-2.2.0--gemfile-Gemfile.tgz fetching master/cache--rvm-2.2.0--gemfile-Gemfile.tgz could not download cache travis_time:end:255489f7:start=1564314518761120378,finish=1564314521063188955,duration=2302068577 travis_fold:end:cache.1 travis_fold:start:cache.bundler travis_time:start:1ae66164 travis_time:end:1ae66164:start=1564314521071499154,finish=1564314521076280443,duration=4781289 travis_time:start:352fe120 adding /home/travis/build/iluwatar/java-design-patterns/vendor/bundle to cache creating directory /home/travis/build/iluwatar/java-design-patterns/vendor/bundle travis_time:end:352fe120:start=1564314521083908571,finish=1564314522264773223,duration=1180864652 travis_fold:end:cache.bundler travis_fold:start:ruby.versions $ ruby --version ruby 2.2.0p0 (2014-12-25 revision 49005) [x86_64-linux] $ rvm --version rvm 1.29.7 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io] $ bundle --version Bundler version 1.17.3 $ gem --version 2.6.14 travis_fold:end:ruby.versions travis_fold:start:install travis_time:start:01e0b958 $ bundle install --jobs=3 --retry=3 Fetching gem metadata from https://rubygems.org/......... Fetching i18n 0.7.0 Fetching json 1.8.3 Installing i18n 0.7.0 Installing json 1.8.3 with native extensions Fetching minitest 5.9.0 Installing minitest 5.9.0 Fetching thread_safe 0.3.5 Installing thread_safe 0.3.5 Fetching addressable 2.4.0 Installing addressable 2.4.0 Using bundler 1.17.3 Fetching coffee-script-source 1.10.0 Installing coffee-script-source 1.10.0 Fetching execjs 2.7.0 Installing execjs 2.7.0 Fetching colorator 1.1.0 Installing colorator 1.1.0 Fetching colored 1.2 Installing colored 1.2 Fetching deep_merge 1.0.0 Installing deep_merge 1.0.0 Fetching dotenv 1.0.2 Installing dotenv 1.0.2 Fetching ffi 1.9.14 Installing ffi 1.9.14 with native extensions Fetching multipart-post 2.0.0 Installing multipart-post 2.0.0 Fetching forwardable-extended 2.6.0 Fetching gemoji 2.1.0 Installing forwardable-extended 2.6.0 Fetching net-dns 0.8.0 Installing net-dns 0.8.0 Fetching public_suffix 1.5.3 Installing public_suffix 1.5.3 Fetching sass 3.4.22 Installing sass 3.4.22 Installing gemoji 2.1.0 Fetching rb-fsevent 0.9.7 Installing rb-fsevent 0.9.7 Fetching kramdown 1.11.1 Fetching liquid 3.0.6 Installing liquid 3.0.6 Fetching mercenary 0.3.6 Installing kramdown 1.11.1 Installing mercenary 0.3.6 Fetching rouge 1.11.1 Fetching safe_yaml 1.0.4 Installing rouge 1.11.1 Installing safe_yaml 1.0.4 Fetching jekyll-feed 0.5.1 Fetching mini_portile2 2.1.0 Installing mini_portile2 2.1.0 Fetching pkg-config 1.1.7 Installing jekyll-feed 0.5.1 Fetching jekyll-paginate 1.1.0 Installing pkg-config 1.1.7 Fetching jekyll-sitemap 0.10.0 Installing jekyll-paginate 1.1.0 Fetching minima 1.0.1 Installing jekyll-sitemap 0.10.0 Installing minima 1.0.1 Fetching terminal-table 1.6.0 Fetching parallel 1.9.0 Installing terminal-table 1.6.0 Fetching yell 2.0.6 Installing parallel 1.9.0 Fetching thor 0.19.1 Installing yell 2.0.6 Installing thor 0.19.1 Fetching tzinfo 1.2.2 Fetching coffee-script 2.4.1 Installing coffee-script 2.4.1 Installing tzinfo 1.2.2 Fetching configure-s3-website 1.7.1 Fetching ethon 0.9.0 Installing configure-s3-website 1.7.1 Installing ethon 0.9.0 Fetching rb-inotify 0.9.7 Fetching faraday 0.9.2 Installing faraday 0.9.2 Installing rb-inotify 0.9.7 Fetching pathutil 0.14.0 Fetching jekyll-sass-converter 1.3.0 Installing pathutil 0.14.0 Fetching nokogiri 1.6.8 Installing jekyll-sass-converter 1.3.0 Fetching jekyll-coffeescript 1.0.1 Installing jekyll-coffeescript 1.0.1 Fetching activesupport 4.2.7 Installing nokogiri 1.6.8 with native extensions Installing activesupport 4.2.7 Fetching s3_website 2.15.0 Installing s3_website 2.15.0 Fetching typhoeus 0.8.0 Installing typhoeus 0.8.0 Fetching sawyer 0.7.0 Installing sawyer 0.7.0 Fetching listen 3.0.6 Installing listen 3.0.6 Fetching octokit 4.3.0 Installing octokit 4.3.0 Fetching jekyll-watch 1.5.0 Installing jekyll-watch 1.5.0 Fetching github-pages-health-check 1.2.0 Installing github-pages-health-check 1.2.0 Fetching jekyll-gist 1.4.0 Installing jekyll-gist 1.4.0 Fetching jekyll 3.2.1 Installing jekyll 3.2.1 Fetching jekyll-github-metadata 2.0.2 Installing jekyll-github-metadata 2.0.2 Fetching jekyll-redirect-from 0.11.0 Installing jekyll-redirect-from 0.11.0 Fetching jekyll-seo-tag 2.0.0 Installing jekyll-seo-tag 2.0.0 Fetching html-pipeline 2.4.2 Fetching html-proofer 3.0.6 Installing html-proofer 3.0.6 Installing html-pipeline 2.4.2 Fetching jekyll-mentions 1.1.3 Fetching jemoji 0.7.0 Installing jekyll-mentions 1.1.3 Installing jemoji 0.7.0 Fetching github-pages 93 Installing github-pages 93 Bundle complete! 4 Gemfile dependencies, 63 gems now installed. Use `bundle info [gemname]` to see where a bundled gem is installed. Post-install message from html-pipeline: ------------------------------------------------- Thank you for installing html-pipeline! You must bundle Filter gem dependencies. See html-pipeline README.md for more details. https://github.com/jch/html-pipeline#dependencies ------------------------------------------------- Post-install message from github-pages: --------------------------------------------------- Thank you for installing github-pages! GitHub Pages recently upgraded to Jekyll 3.0, which includes some breaking changes. More information: https://github.com/blog/2100-github-pages-jekyll-3 --------------------------------------------------- travis_time:end:01e0b958:start=1564314522693636038,finish=1564314550401644591,duration=27708008553 travis_fold:end:install travis_time:start:31e9a4b0 $ bash cibuild.sh Configuration file: /home/travis/build/iluwatar/java-design-patterns/_config.yml Source: /home/travis/build/iluwatar/java-design-patterns Destination: /home/travis/build/iluwatar/java-design-patterns/_site Incremental build: disabled. Enable with --incremental Generating... done in 9.819 seconds. Auto-regeneration: disabled. Use --watch to enable. Running ["ScriptCheck", "ImageCheck", "HtmlCheck", "LinkCheck"] on ["./_site/"] on *.html... Checking 389 external links... Ran on 132 files! - ./_site/patterns/acyclic-visitor/index.html * internally linking to ../visitor/README.md, which does not exist (line 1) - ./_site/patterns/half-sync-half-async/index.html * External link http://www.cs.wustl.edu/~schmidt/PDF/PLoP-95.pdf failed: 404 No error - ./_site/patterns/intercepting-filter/index.html * External link https://struts.apache.org/docs/interceptors.html failed: 404 No error htmlproofer 3.0.6 | Error: HTML-Proofer found 3 failures! travis_time:end:31e9a4b0:start=1564314550408536906,finish=1564314585423977091,duration=35015440185 The command "bash cibuild.sh" exited with 1. travis_fold:start:cache.2 store build cache $ bundle clean Cleaning all the gems on your system is dangerous! If you're sure you want to remove every system gem not in this bundle, run `bundle clean --force`. travis_time:start:05c51e42 travis_time:end:05c51e42:start=1564314585596274140,finish=1564314585599933121,duration=3658981 travis_time:start:1bb66dc0 changes detected, packing new archive uploading gh-pages/cache-linux-xenial-e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855--rvm-2.2.0--gemfile-Gemfile.tgz cache uploaded travis_time:end:1bb66dc0:start=1564314585604927349,finish=1564314586897167728,duration=1292240379 travis_fold:end:cache.2 travis_fold:start:after_script travis_time:start:08404dd6 $ if [ "$TRAVIS_BRANCH" == "gh-pages" ]; then travis_retry bundle exec s3_website push; fi [info] Downloading https://github.com/laurilehmijoki/s3_website/releases/download/v2.15.0/s3_website.jar into /home/travis/.rvm/gems/ruby-2.2.0/gems/s3_website-2.15.0/s3_website-2.15.0.jar Exception in thread "main" java.lang.ExceptionInInitializerError at org.jruby.Ruby.newInstance(Ruby.java:266) at s3.website.Ruby$.rubyRuntime$lzycompute(Ruby.scala:4) at s3.website.Ruby$.rubyRuntime(Ruby.scala:4) at s3.website.model.Config$$anonfun$13.apply(Config.scala:215) at s3.website.model.Config$$anonfun$13.apply(Config.scala:213) at scala.util.Try$.apply(Try.scala:192) at s3.website.model.Config$.erbEval(Config.scala:213) at s3.website.model.Site$$anonfun$2.apply(Site.scala:28) at s3.website.model.Site$$anonfun$2.apply(Site.scala:27) at scala.util.Success.flatMap(Try.scala:231) at s3.website.model.Site$.parseConfig(Site.scala:27) at s3.website.model.Site$.loadSite(Site.scala:94) at s3.website.Push$.push(Push.scala:62) at s3.website.Push$.main(Push.scala:40) at s3.website.Push.main(Push.scala) Caused by: java.lang.RuntimeException: unsupported Java version: 11 at org.jruby.RubyInstanceConfig.initGlobalJavaVersion(RubyInstanceConfig.java:1878) at org.jruby.RubyInstanceConfig.(RubyInstanceConfig.java:1585) ... 15 more The command "bundle exec s3_website push" failed. Retrying, 2 of 3. Exception in thread "main" java.lang.ExceptionInInitializerError at org.jruby.Ruby.newInstance(Ruby.java:266) at s3.website.Ruby$.rubyRuntime$lzycompute(Ruby.scala:4) at s3.website.Ruby$.rubyRuntime(Ruby.scala:4) at s3.website.model.Config$$anonfun$13.apply(Config.scala:215) at s3.website.model.Config$$anonfun$13.apply(Config.scala:213) at scala.util.Try$.apply(Try.scala:192) at s3.website.model.Config$.erbEval(Config.scala:213) at s3.website.model.Site$$anonfun$2.apply(Site.scala:28) at s3.website.model.Site$$anonfun$2.apply(Site.scala:27) at scala.util.Success.flatMap(Try.scala:231) at s3.website.model.Site$.parseConfig(Site.scala:27) at s3.website.model.Site$.loadSite(Site.scala:94) at s3.website.Push$.push(Push.scala:62) at s3.website.Push$.main(Push.scala:40) at s3.website.Push.main(Push.scala) Caused by: java.lang.RuntimeException: unsupported Java version: 11 at org.jruby.RubyInstanceConfig.initGlobalJavaVersion(RubyInstanceConfig.java:1878) at org.jruby.RubyInstanceConfig.(RubyInstanceConfig.java:1585) ... 15 more The command "bundle exec s3_website push" failed. Retrying, 3 of 3. Exception in thread "main" java.lang.ExceptionInInitializerError at org.jruby.Ruby.newInstance(Ruby.java:266) at s3.website.Ruby$.rubyRuntime$lzycompute(Ruby.scala:4) at s3.website.Ruby$.rubyRuntime(Ruby.scala:4) at s3.website.model.Config$$anonfun$13.apply(Config.scala:215) at s3.website.model.Config$$anonfun$13.apply(Config.scala:213) at scala.util.Try$.apply(Try.scala:192) at s3.website.model.Config$.erbEval(Config.scala:213) at s3.website.model.Site$$anonfun$2.apply(Site.scala:28) at s3.website.model.Site$$anonfun$2.apply(Site.scala:27) at scala.util.Success.flatMap(Try.scala:231) at s3.website.model.Site$.parseConfig(Site.scala:27) at s3.website.model.Site$.loadSite(Site.scala:94) at s3.website.Push$.push(Push.scala:62) at s3.website.Push$.main(Push.scala:40) at s3.website.Push.main(Push.scala) Caused by: java.lang.RuntimeException: unsupported Java version: 11 at org.jruby.RubyInstanceConfig.initGlobalJavaVersion(RubyInstanceConfig.java:1878) at org.jruby.RubyInstanceConfig.(RubyInstanceConfig.java:1585) ... 15 more The command "bundle exec s3_website push" failed 3 times. travis_time:end:08404dd6:start=1564314586906117097,finish=1564314594276768124,duration=7370651027 travis_fold:end:after_script Done. Your build exited with 1.