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https://issues.apache.org/jira/browse/SPARK-11595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14996527#comment-14996527
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Apache Spark commented on SPARK-11595:
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User 'liancheng' has created a pull request for this issue:
https://github.com/apache/spark/pull/9569
> "ADD JAR" doesn't work if the given path contains URL scheme like "file:/"
> and "hdfs:/"
> ---------------------------------------------------------------------------------------
>
> Key: SPARK-11595
> URL: https://issues.apache.org/jira/browse/SPARK-11595
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.5.2, 1.6.0
> Reporter: Cheng Lian
> Assignee: Cheng Lian
> Priority: Blocker
>
> When handling {{ADD JAR}}, PR #8909 constructs a {{java.io.File}} first using
> the input jar path, and then converts it into a URL
> ([here|https://github.com/apache/spark/pull/8909/files#diff-d613c921507243c65591c003a348f5f3R180]).
> This works file for local file path without a URL scheme (e.g.
> {{/tmp/a.jar}}). However, {{java.io.File.toURI}} returns unexpected result
> when given a path containing a URL scheme (e.g. {{file:///tmp/a.jar}} or
> {{hdfs://host:9000/path/to/a.jar}}):
> {noformat}
> scala> new java.io.File("file:///tmp/file").toURI
> res1: java.net.URI =
> file:/Users/lian/local/src/spark/workspace-a/file:/tmp/file
> {noformat}
> The consequence is that, although the {{ADD JAR}} command doesn't fail
> immediately, the jar is actually not added properly.
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