Cheng Lian created SPARK-11595:
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Summary: "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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