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Posted to common-issues@hadoop.apache.org by "Daniel Templeton (JIRA)" <ji...@apache.org> on 2019/03/05 22:33:00 UTC
[jira] [Assigned] (HADOOP-16167) "hadoop CLASSFILE" prints error
messages on Ubuntu 18
[ https://issues.apache.org/jira/browse/HADOOP-16167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Templeton reassigned HADOOP-16167:
-----------------------------------------
Assignee: Daniel Templeton
> "hadoop CLASSFILE" prints error messages on Ubuntu 18
> -----------------------------------------------------
>
> Key: HADOOP-16167
> URL: https://issues.apache.org/jira/browse/HADOOP-16167
> Project: Hadoop Common
> Issue Type: Improvement
> Components: scripts
> Affects Versions: 3.2.0
> Reporter: Daniel Templeton
> Assignee: Daniel Templeton
> Priority: Major
> Attachments: HADOOP-16167.001.patch
>
>
> {noformat}
> # hadoop org.apache.hadoop.conf.Configuration
> /usr/lib/hadoop/bin/../lib/hadoop/libexec//hadoop-functions.sh: line 2366: HADOOP_ORG.APACHE.HADOOP.CONF.CONFIGURATION_USER: bad substitution
> /usr/lib/hadoop/bin/../lib/hadoop/libexec//hadoop-functions.sh: line 2331: HADOOP_ORG.APACHE.HADOOP.CONF.CONFIGURATION_USER: bad substitution
> /usr/lib/hadoop/bin/../lib/hadoop/libexec//hadoop-functions.sh: line 2426: HADOOP_ORG.APACHE.HADOOP.CONF.CONFIGURATION_OPTS: bad substitution
> {noformat}
> The issue is a regression in bash 4.4. See [here|http://savannah.gnu.org/support/?109649]. The extraneous output can break scripts that read the command output.
> According to [~aw]:
> {quote}Oh, I think I see the bug. HADOOP_SUBCMD (and equivalents in yarn, hdfs, etc) just needs some special handling when a custom method is being called. For example, there’s no point in checking to see if it should run with privileges, so just skip over that. Probably a few other places too. Relatively easy fix. 2 lines of code, maybe.{quote}
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