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Posted to common-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/10/15 06:48:00 UTC
[jira] [Work logged] (HADOOP-17306) RawLocalFileSystem's
lastModifiedTime() looses milli seconds in JDK < 10 b09
[ https://issues.apache.org/jira/browse/HADOOP-17306?focusedWorklogId=500979&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-500979 ]
ASF GitHub Bot logged work on HADOOP-17306:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 15/Oct/20 06:47
Start Date: 15/Oct/20 06:47
Worklog Time Spent: 10m
Work Description: vinayakumarb opened a new pull request #2387:
URL: https://github.com/apache/hadoop/pull/2387
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Issue Time Tracking
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Worklog Id: (was: 500979)
Remaining Estimate: 0h
Time Spent: 10m
> RawLocalFileSystem's lastModifiedTime() looses milli seconds in JDK < 10 b09
> ----------------------------------------------------------------------------
>
> Key: HADOOP-17306
> URL: https://issues.apache.org/jira/browse/HADOOP-17306
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Reporter: Vinayakumar B
> Assignee: Vinayakumar B
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> RawLocalFileSystem's FileStatus uses {{File.lastModified()}} api from JDK.
> This api looses milliseconds due to JDK bug.
> [https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8177809]
> This bug fixed in JDK 10 b09 onwards and still exists in JDK 8 which is still being used in many productions.
> Apparently, {{Files.getLastModifiedTime()}} from java's nio package returns correct time.
> Use {{Files.getLastModifiedTime()}} instead of {{File.lastModified}} as workaround.
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