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https://issues.apache.org/jira/browse/HADOOP-12072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14576089#comment-14576089
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Brahma Reddy Battula commented on HADOOP-12072:
-----------------------------------------------
Good Catch!! thanks for reporting..
> conftest raises a false alarm over the fair scheduler configuration file
> ------------------------------------------------------------------------
>
> Key: HADOOP-12072
> URL: https://issues.apache.org/jira/browse/HADOOP-12072
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Kengo Seki
> Assignee: Brahma Reddy Battula
>
> hadoop conftest subcommand validates the XML files in ${HADOOP_CONF_DIR} by
> default, and assumes the root element of the XML is <configuration>.
> But it is popular to put the fair scheduler configuration file as
> ${HADOOP_CONF_DIR}/fair-scheduler.xml, and its root element is <allocations>,
> so conftest raises a false alarm.
> {code}
> [sekikn@mobile hadoop-3.0.0-SNAPSHOT]$ bin/hadoop conftest
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/capacity-scheduler.xml:
> valid
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/core-site.xml:
> valid
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/fair-scheduler.xml:
> bad conf file: top-level element not <configuration>
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/hadoop-policy.xml:
> valid
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/hdfs-site.xml:
> valid
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/httpfs-site.xml:
> valid
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/kms-acls.xml:
> valid
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/kms-site.xml:
> valid
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/mapred-site.xml:
> valid
> /Users/sekikn/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/etc/hadoop/yarn-site.xml:
> valid
> Invalid file exists
> {code}
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