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From "Adam Antal (Jira)" <j...@apache.org>
Subject [jira] [Updated] (YARN-10130) Do not allow output dir to be the same as input dir
Date Mon, 17 Feb 2020 13:27:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-10130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Adam Antal updated YARN-10130:
------------------------------
    Attachment: YARN-10130.002.patch

> Do not allow output dir to be the same as input dir
> ---------------------------------------------------
>
>                 Key: YARN-10130
>                 URL: https://issues.apache.org/jira/browse/YARN-10130
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Szilard Nemeth
>            Assignee: Adam Antal
>            Priority: Major
>         Attachments: YARN-10130.001.patch, YARN-10130.002.patch
>
>
> If the input dir where fair-scheduler.xml / yarn-site.xml sits is the same as the output
dir (defined by the -o switch), the fs2cs tool overwrites the source config files, i.e. yarn-site.xml.
> Reproduce this is easy, just run fs2cs tool with this command: 
> {code:java}
> /bin/yarn fs2cs --cluster-resource memory-mb=18044928,vcores=16 --no-terminal-rule-check
-y yarn-site.xml -f fair-scheduler.xml -o .
> {code}
> The following (or similar) is emitted by the tool:
> {code:java}
> WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.WARNING:
YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.20/02/10 12:51:42 INFO
converter.FSConfigToCSConfigConverter: Output directory for yarn-site.xml and capacity-scheduler.xml
is: .20/02/10 12:51:42 INFO converter.FSConfigToCSConfigConverter: Conversion rules file is
not defined, using default conversion config!20/02/10 12:51:42 ERROR conf.Configuration: error
parsing conf yarn-site.xmlcom.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog at [row,col,system-id]:
[1,0,"yarn-site.xml"] at com.ctc.wstx.sr.StreamScanner.throwUnexpectedEOF(StreamScanner.java:687)
at com.ctc.wstx.sr.BasicStreamReader.handleEOF(BasicStreamReader.java:2220) at com.ctc.wstx.sr.BasicStreamReader.nextFromProlog(BasicStreamReader.java:2126)
at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1181) at org.apache.hadoop.conf.Configuration$Parser.parseNext(Configuration.java:3343)
at org.apache.hadoop.conf.Configuration$Parser.parse(Configuration.java:3137) at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:3030)
at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:2996) at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2871)
at org.apache.hadoop.conf.Configuration.set(Configuration.java:1389) at org.apache.hadoop.conf.Configuration.set(Configuration.java:1361)
at org.apache.hadoop.conf.Configuration.setBoolean(Configuration.java:1702) at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.converter.FSConfigToCSConfigConverter.createConfiguration(FSConfigToCSConfigConverter.java:166)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.converter.FSConfigToCSConfigConverter.convert(FSConfigToCSConfigConverter.java:98)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.converter.FSConfigToCSConfigArgumentHandler.parseAndConvert(FSConfigToCSConfigArgumentHandler.java:137)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.converter.FSConfigToCSConfigConverterMain.main(FSConfigToCSConfigConverterMain.java:40)20/02/10
12:51:42 ERROR converter.FSConfigToCSConfigConverterMain: Error while starting FS configuration
conversion!
> {code}



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