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https://issues.apache.org/jira/browse/IMPALA-8557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sahil Takiar resolved IMPALA-8557.
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Fix Version/s: Impala 3.4.0
Resolution: Fixed
> Impala on ABFS failed with error "IllegalArgumentException: ABFS does not
> allow files or directories to end with a dot."
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: IMPALA-8557
> URL: https://issues.apache.org/jira/browse/IMPALA-8557
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 3.2.0
> Reporter: Eric Lin
> Assignee: Sahil Takiar
> Priority: Major
> Fix For: Impala 3.4.0
>
>
> HDFS introduced below feature to stop users from creating a file that ends
> with "." on ABFS:
> https://issues.apache.org/jira/browse/HADOOP-15860
> As a result of this change, Impala now writes to ABFS fails with such error.
> I can see that it generates temp file using this format "$0.$1.$2":
> https://github.com/cloudera/Impala/blob/cdh6.2.0/be/src/exec/hdfs-table-sink.cc#L329
> $2 is the file extension and will be empty if it is TEXT file format:
> https://github.com/cloudera/Impala/blob/cdh6.2.0/be/src/exec/hdfs-text-table-writer.cc#L65
> Since HADOOP-15860 was backported into CDH6.2, it is currently only affecting
> 6.2 and works in older versions.
> There is no way to override this empty file extension so no workaround is
> possible, unless user choose another file format.
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