Vinayakumar B created HADOOP-17306:
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Summary: 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
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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