[GitHub] zeppelin issue #2596: [ZEPPELIN-2949] Allow custom Spark UI URL

[necosta]

Github user necosta commented on the issue:

    https://github.com/apache/zeppelin/pull/2596
  
    Thanks @felixcheung. Test looks unrelated but I'll double check.
    Added one commit for documentation
    
    Not sure how much we want to document on how to work with Spark behind 
reverse proxy but I can add that by setting properties:
    * spark.ui.enabled=true
    * spark.ui.reverseProxy=false (disables '/proxy/applicationId' web url path)
    * spark.ui.proxyBase=/reverseProxyUniqueKey
    * zeppelin.spark.uiWebUrl=http://{hostName}/reverseProxyUniqueKey
    
    https://issues.apache.org/jira/browse/SPARK-20044 is preventing us from 
using a path prefix and it is assumed we are routing from spark port to 
reverseProxyUniqueKey
    



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