[HDFS-4428] FsDatasetImpl should disclose what the error is when a rename fails

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.3-alpha
• Fix Version/s: 2.0.3-alpha
• Target Version/s: 2.0.3-alpha
• Hadoop Flags: Reviewed
• Assignee: Colin McCabe
• Reporter: Colin McCabe
• Created: 22/Jan/13 22:32
• Updated: 22/Sep/14 17:49
• Resolved: 31/Jan/13 07:34

Description

It would be nice if FsDatasetImpl would print out an error message when a rename fails, describing what went wrong. This would make it a lot easier to investigate and resolve test failures like HDFS-4051.

Issue Links

• breaks: HADOOP-9437 TestNativeIO#testRenameTo fails on Windows due to assumption that POSIX errno is embedded in NativeIOException
• is related to: HDFS-7118 Improve diagnostics on storage directory rename operations by using NativeIO#renameTo in Storage#rename.
• is related to: HDFS-4051 TestRBWBlockInvalidation.testBlockInvalidationWhenRBWReplicaMissedInDN failed
• relates to: HADOOP-9590 Move to JDK7 improved APIs for file operations when available