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Posted to issues@spark.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2019/06/18 19:08:00 UTC
[jira] [Commented] (SPARK-28092) Spark cannot load files with
COLON(:) char if not specified full path
[ https://issues.apache.org/jira/browse/SPARK-28092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16866977#comment-16866977 ]
Steve Loughran commented on SPARK-28092:
----------------------------------------
You're going to have to see if you can replicate this on the real ASF artifacts otherwise push it to your supplier of built spark artifacts
FWIW, problems with ":" in filenames in paths are known: HADOOP-14829 HADOOP-14217 for example. HDFS hasn't allowed ":" in names, so nobody even noticed that Filesystem.globFiles doesn't work
While nobody actually wants to stop this, its not something which, AFAIK, anyone is actively working on. Patches welcome, *with tests*
> Spark cannot load files with COLON(:) char if not specified full path
> ---------------------------------------------------------------------
>
> Key: SPARK-28092
> URL: https://issues.apache.org/jira/browse/SPARK-28092
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.4.3
> Environment: Cloudera 6.2
> Spark latest parcel (I think 2.4.3)
> Reporter: Ladislav Jech
> Priority: Major
>
> Scenario:
> I have CSV files in S3 bucket like this:
> s3a://bucket/prefix/myfile_2019:04:05.csv
> s3a://bucket/prefix/myfile_2019:04:06.csv
> Now when I try to load files with something like:
> df = spark.read.load("s3://bucket/prefix/*", format="csv", sep=":", inferSchema="true", header="true")
>
> It fails on error about URI (sorry don't have here exact exception), but when I list all files from S3 and provide path like array:
> df = spark.read.load(path=["s3://bucket/prefix/myfile_2019:04:05.csv","s3://bucket/prefix/myfile_2019:04:05.csv"], format="csv", sep=":", inferSchema="true", header="true")
>
> It works, the reason is COLON character in the name of files as per my observations.
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