Saisai Shao commented on LIVY-751:

Issue resolved by pull request 282

> Livy server should allow to customize LIVY_CLASSPATH
> ----------------------------------------------------
>                 Key: LIVY-751
>                 URL: https://issues.apache.org/jira/browse/LIVY-751
>             Project: Livy
>          Issue Type: Improvement
>          Components: Server
>    Affects Versions: 0.7.0
>            Reporter: Shingo Furuyama
>            Priority: Minor
>             Fix For: 0.8.0
>          Time Spent: 20m
>  Remaining Estimate: 0h
> What we want to do is - specify LIVY_CLASSPATH at the time of booting livy 
> server to use the other version of hadoop, which is not included in livy 
> artifact.
> The background is - we are trying to use livy 0.7.0-incubating and spark 
> 2.4.5 with YARN HDP2.6.4, but we encountered an error due to the 
> incompatibility of livy included hadoop and HDP2.6.4 hadoop. We came up with 
> a workaround that 1. remove hadoop from livy artifact by building with `mvn 
> -Dhadoop.scope=provided` and 2. add HDP2.6.4 hadoop jars to the classpath for 
> livy server by `hadoop classpath` command at the time of booting livy server. 
> However, bin/livy-server is not allowing change LIVY_CLASSPATH.

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