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

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Incompatible change, Reviewed
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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().

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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().

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.

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()