[jira] [Created] (HBASE-9031) ImmutableBytesWritable.toString() should downcast the bytes before converting to hex string

["Aditya Kishore (JIRA)" <ji...@apache.org>]

Aditya Kishore created HBASE-9031:
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             Summary: ImmutableBytesWritable.toString() should downcast the bytes before converting to hex string
                 Key: HBASE-9031
                 URL: https://issues.apache.org/jira/browse/HBASE-9031
             Project: HBase
          Issue Type: Bug
          Components: io
    Affects Versions: 0.94.9, 0.95.1
            Reporter: Aditya Kishore
            Assignee: Aditya Kishore
            Priority: Minor
             Fix For: 0.95.2


The attached patch addresses few issues.

# We need only (3*this.length) capacity in ByteBuffer and not (3*this.bytes.length).
# Do not calculate (offset + length) at every iteration.
# No test is required at every iteration to add space (' ') before every byte other than the first one. Uses {{sb.substring(1)}} instead.
# Finally and most importantly (the original issue of this report), downcast the promoted int (the parameter to {{Integer.toHexString()}}) to byte range.

Without #4, the byte array \{54,125,64, -1, -45\} is transformed to "36 7d 40 ffffffff ffffffd3" instead of "36 7d 40 ff d3".

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