Github user lresende commented on the issue: https://github.com/apache/incubator-zeppelin/pull/747 @Leemoonsoo @felixcheung Any ideas what might be causing these build issues in [TravisCI](https://s3.amazonaws.com/archive.travis-ci.org/jobs/133750597/log.txt) ? [INFO] Running 'npm install --color=false' in /home/travis/build/apache/incubator-zeppelin/zeppelin-web [ERROR] npm WARN package.json zeppelin-web@0.0.0 No license field. [ERROR] npm WARN deprecated graceful-fs@2.0.3: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree. [ERROR] npm WARN deprecated lodash@1.0.2: lodash@<3.0.0 is no longer maintained. Upgrade to lodash@^4.0.0. [ERROR] npm WARN deprecated graceful-fs@3.0.8: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree. [ERROR] npm WARN deprecated graceful-fs@1.2.3: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree. [ERROR] npm WARN deprecated CSSselect@0.7.0: the module is now available as 'css-select' [ERROR] npm WARN deprecated CSSwhat@0.4.7: the module is now available as 'css-what' [ERROR] npm WARN optional dep failed, continuing fsevents@1.0.12 [INFO] [INFO] > phantomjs@1.9.20 install /home/travis/build/apache/incubator-zeppelin/zeppelin-web/node_modules/karma-phantomjs-launcher/node_modules/phantomjs [INFO] > node install.js
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