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https://issues.apache.org/jira/browse/YARN-2788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14192812#comment-14192812
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Vinod Kumar Vavilapalli commented on YARN-2788:
-----------------------------------------------
I looked at it. This is still breaking compatiblity of 2.4 server with 2.6 logs
- this isn't really supported today, but makes me think about how we are going
to support the log-format in the future.
For now, I'd like to avoid this change altogether. Can we instead make this a
change in the log-reader so as to simply read the timestamped file path
component and print it?
> yarn logs -applicationId on 2.6.0 should support logs written by 2.4.0
> ----------------------------------------------------------------------
>
> Key: YARN-2788
> URL: https://issues.apache.org/jira/browse/YARN-2788
> Project: Hadoop YARN
> Issue Type: Bug
> Components: log-aggregation
> Affects Versions: 2.6.0
> Reporter: Gopal V
> Assignee: Xuan Gong
> Priority: Blocker
> Attachments: YARN-2788.1.1.patch, YARN-2788.1.patch
>
>
> Log format version needs to be upped between 2.4.0 and 2.6.0
> {code}
> at
> java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
> at java.lang.Long.parseLong(Long.java:589)
> at java.lang.Long.parseLong(Long.java:631)
> at
> org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$ContainerLogsReader.nextLog(AggregatedLogFormat.java:765)
> at
> org.apache.hadoop.yarn.webapp.log.AggregatedLogsBlock.readContainerLogs(AggregatedLogsBlock.java:197)
> at
> org.apache.hadoop.yarn.webapp.log.AggregatedLogsBlock.render(AggregatedLogsBlock.java:166)
> at
> org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:67)
> at
> org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:77)
> at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
> at
> org.apache.hadoop.yarn.webapp.view.HtmlPage$Page.subView(HtmlPage.java:49)
> at
> org.apache.hadoop.yarn.webapp.hamlet.HamletImpl$EImp._v(HamletImpl.java:117)
> at org.apache.hadoop.yarn.webapp.hamlet.Hamlet$TD._(Hamlet.java:845)
> at
> org.apache.hadoop.yarn.webapp.view.TwoColumnLayout.render(TwoColumnLayout.java:71)
> at
> org.apache.hadoop.yarn.webapp.view.HtmlPage.render(HtmlPage.java:82)
> at
> org.apache.hadoop.yarn.webapp.Controller.render(Controller.java:212)
> at
> org.apache.hadoop.mapreduce.v2.hs.webapp.HsController.logs(HsController.java:178)
> ... 40 more
> {code}
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