Aditya Kishore created HBASE-6991:
-------------------------------------
Summary: Bytes.toStringBinary() and its counterpart
Bytes.toBytesBinary() are not always consistant
Key: HBASE-6991
URL: https://issues.apache.org/jira/browse/HBASE-6991
Project: HBase
Issue Type: Bug
Components: util
Affects Versions: 0.96.0
Reporter: Aditya Kishore
Assignee: Aditya Kishore
Since "\" is used to escape non-printable character but not treated as special
character in conversion, it could lead to unexpected conversion.
For example, please consider the following code snippet.
{code}
public void testConversion() {
byte[] original = {
'\\', 'x', 'A', 'D'
};
String stringFromBytes = Bytes.toStringBinary(original);
byte[] converted = Bytes.toBytesBinary(stringFromBytes);
System.out.println("Original: " + Arrays.toString(original));
System.out.println("Converted: " + Arrays.toString(converted));
System.out.println("Reversible?: " + (Bytes.compareTo(original, converted) ==
0));
}
Output:
-------
Original: [92, 120, 65, 68]
Converted: [-83]
Reversible?: false
{code}
The "\" character needs to be treated as special and must be encoded as a
non-printable character ("\x5C") to avoid any kind of unambiguity during
conversion.
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