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https://issues.apache.org/jira/browse/SPARK-30701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17028026#comment-17028026
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Guram Savinov commented on SPARK-30701:
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So the problem is: backslash character isn't included to allowedChars, see
attached HadoopGroupTest.java
> SQL test running on Windows: hadoop chgrp warnings
> --------------------------------------------------
>
> Key: SPARK-30701
> URL: https://issues.apache.org/jira/browse/SPARK-30701
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.4
> Environment: Windows 10
> Winutils 2.7.1:
> [https://github.com/steveloughran/winutils/tree/master/hadoop-2.7.1]
> Oracle JavaSE 8
> SparkSQL 2.4.4
> Using: -Dhive.exec.scratchdir=C:\Users\OSUser\hadoop\tmp\hive
> Set: winutils chmod -R 777 \Users\OSUser\hadoop\tmp\hive
> Reporter: Guram Savinov
> Assignee: Felix Cheung
> Priority: Major
> Labels: WIndows, hive, unit-test
> Attachments: HadoopGroupTest.java
>
>
> Running SparkSQL local embedded unit tests on Win10, using winutils.
> Got warnings about 'hadoop chgrp'.
> See environment info.
> {code:bash}
> -chgrp: 'TEST\Domain users' does not match expected pattern for group
> Usage: hadoop fs [generic options] -chgrp [-R] GROUP PATH...
> -chgrp: 'TEST\Domain users' does not match expected pattern for group
> Usage: hadoop fs [generic options] -chgrp [-R] GROUP PATH...
> -chgrp: 'TEST\Domain users' does not match expected pattern for group
> Usage: hadoop fs [generic options] -chgrp [-R] GROUP PATH...
> {code}
> Related info on SO:
> https://stackoverflow.com/questions/48605907/error-in-pyspark-when-insert-data-in-hive
> Seems like the problem is here:
> hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FsShellPermissions.java:210
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