Github user FRosner commented on the pull request: https://github.com/apache/zeppelin/commit/300f7532342d1ea47b85d3b777a8797a3e2248d4#commitcomment-21090241 In zeppelin-zengine/src/main/java/org/apache/zeppelin/helium/HeliumVisualizationFactory.java: In zeppelin-zengine/src/main/java/org/apache/zeppelin/helium/HeliumVisualizationFactory.java on line 94: Hi @Leemoonsoo, we are using Zeppelin behind a proxy and on every start it tries to download NPM and fails. Because of this it takes several minutes for Zeppelin to start which can be very annoying when you want to restart it. Is there a way to - configure a proxy so it can actually download NPM? Looking at the code it seems that you pass an empty, predefined proxy list. - switch off the installation so we don't have to wait for it on every start?
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