Yeah, Hadoop uses it. I am not sure you can just take it out?
On Oct 30, 2014 4:11 AM, "KaiXinXiaoLei" <g...@git.apache.org> wrote:

> Github user KaiXinXiaoLei commented on the pull request:
>
>     https://github.com/apache/spark/pull/2989#issuecomment-61040188
>
>     Using the maven-dependency-plugin to build spark, I get the dependency
> tree for spark. I find the jetty 6 is introduced by hdfs ,yarn, flume and
> hbase. From the info of dependency tree, here I just give the information
> about Jetty 6.
>     The Jetty 6 is brought by hdfs when building spark-core:
>     [INFO] +- org.apache.hadoop:hadoop-client:jar:2.4.1:compile
>     [INFO] |  +- org.apache.hadoop:hadoop-hdfs:jar:2.4.1:compile
>     [INFO] |  |  \- org.mortbay.jetty:jetty-util:jar:6.1.26:compile
>
>     The Jetty 6 is brought by yarn when building spark-yarn:
>     [INFO] +-
> org.apache.hadoop:hadoop-yarn-server-web-proxy:jar:2.4.1:compile
>     [INFO] |  +-
> org.apache.hadoop:hadoop-yarn-server-common:jar:2.4.1:compile
>     [INFO] |  +- commons-httpclient:commons-httpclient:jar:3.1:compile
>     [INFO] |  \- org.mortbay.jetty:jetty:jar:6.1.26:compile
>     [INFO] +- org.apache.hadoop:hadoop-yarn-client:jar:2.4.1:compile
>     [INFO] |  +- org.mortbay.jetty:jetty-util:jar:6.1.26:compile
>
>     The Jetty 6 is brought by flume when building spark-streaming-flume:
>     [INFO] +-
> org.apache.spark:spark-streaming-flume-sink_2.10:jar:1.2.0-SNAPSHOT:compile
>     [INFO] |  \- org.apache.flume:flume-ng-core:jar:1.4.0:compile
>     [INFO] |     +- org.mortbay.jetty:jetty-util:jar:6.1.26:compile
>     [INFO] |     +- org.mortbay.jetty:jetty:jar:6.1.26:compile
>
>     The Jetty 6 is brought by hbase when building spark-examples:
>     [INFO] +- org.apache.hbase:hbase:jar:0.94.6:compile
>     [INFO] |  +- org.mortbay.jetty:jetty:jar:6.1.26:compile
>     [INFO] |  +- org.mortbay.jetty:jetty-util:jar:6.1.26:compile
>
>
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