[HBASE-8085] Backport the fix for Bytes.toStringBinary() into 94 (HBASE-6991)

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.94.5
• Fix Version/s: 0.94.6
• Component/s: util
• Hadoop Flags: Incompatible change, Reviewed

Release Note

This patch changes Bytes.toStringBinary() and Bytes.toBytesBinary() to escape the character "\". Unprintable characters are escaped using "\\x%02X" format, but "\" was not escaped properly leading to irreversible ser/de using toStringBinary() -> toBytesBinary().

• Assignee: Tianying Chang
• Reporter: Tianying Chang
• Due: 17/Mar/13
• Created: 12/Mar/13 22:35
• Updated: 02/May/13 02:30
• Resolved: 14/Mar/13 02:34

Description

there is a bug in Bytes.toStringBinary(), which will return the same string for 1) byte[] a =

{'\\', 'x', 'D', 'A'}

2) "\xDA".

It seems this bug has already been fixed in trunk with HBASE 6991. We should backport it to 94.

Issue Links

• blocks: HBASE-8044 split/flush/compact/major_compact from hbase shell does not work for region key with \x format
• relates to: HBASE-6991 Escape "\" in Bytes.toStringBinary() and its counterpart Bytes.toBytesBinary()