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https://issues.apache.org/jira/browse/FLINK-2161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14585865#comment-14585865
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ASF GitHub Bot commented on FLINK-2161:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/805#discussion_r32415084
--- Diff:
flink-staging/flink-scala-shell/src/main/scala/org.apache.flink/api/scala/FlinkShell.scala
---
@@ -44,6 +46,16 @@ object FlinkShell {
c.copy (host = x)
} text("host specifies host name of running JobManager")
+ opt[(String)] ('a',"addclasspath") action {
+ case (x,c) =>
+ val xArray = x.split(":")
+ var extJarArray = new Array[String](xArray.length)
+ for(i <- 0 to xArray.length - 1){
+ extJarArray(i) = xArray(i)
+ }
--- End diff --
Why do you copy `xArray` here? And why not simply calling `xArray.clone`?
> Flink Scala Shell does not support external jars (e.g. Gelly, FlinkML)
> ----------------------------------------------------------------------
>
> Key: FLINK-2161
> URL: https://issues.apache.org/jira/browse/FLINK-2161
> Project: Flink
> Issue Type: Improvement
> Reporter: Till Rohrmann
> Assignee: Nikolaas Steenbergen
>
> Currently, there is no easy way to load and ship external libraries/jars with
> Flink's Scala shell. Assume that you want to run some Gelly graph algorithms
> from within the Scala shell, then you have to put the Gelly jar manually in
> the lib directory and make sure that this jar is also available on your
> cluster, because it is not shipped with the user code.
> It would be good to have a simple mechanism how to specify additional jars
> upon startup of the Scala shell. These jars should then also be shipped to
> the cluster.
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