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From "Bhupendra Kumar Jain (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-13026) Wrong error message in case incorrect snapshot name OR Incorrect table name
Date Thu, 12 Feb 2015 10:05:11 GMT
Bhupendra Kumar Jain created HBASE-13026:
--------------------------------------------

             Summary: Wrong error message in case incorrect snapshot name OR Incorrect table
name
                 Key: HBASE-13026
                 URL: https://issues.apache.org/jira/browse/HBASE-13026
             Project: HBase
          Issue Type: Bug
    Affects Versions: 2.0.0
            Reporter: Bhupendra Kumar Jain
            Priority: Minor


hbase(main):009:0> snapshot 't1', '.t1Snapshot'

ERROR: Illegal first character <46> at 0. {color:red}*Namespaces*{color} can only start
with alphanumeric characters': i.e. [a-zA-Z_0-9]: t1Snapshot

hbase(main):008:0> create '-test' , 'cf1'

ERROR: Illegal first character <45> at 0.{color:red}*Namespaces*{color} can only start
with alphanumeric characters': i.e. [a-zA-Z_0-9]: -test

>> As per message "Namespaces" is wrong. But in this scenario, snapshot / table name
start character is wrong.

Its because in the code the message is as below
{code}
if (qualifierName[start] == '.' || qualifierName[start] == '-') {
      throw new IllegalArgumentException("Illegal first character <" + qualifierName[0]
+
                                         "> at 0. Namespaces can only start with alphanumeric
" +
                                         "characters': i.e. [a-zA-Z_0-9]: " +
                                         Bytes.toString(qualifierName));
{code}

The correct code should be as below
{code}
if (qualifierName[start] == '.' || qualifierName[start] == '-') {
      throw new IllegalArgumentException("Illegal first character <" + qualifierName[start]
+
                                         "> at 0. " + (isSnapshot ? "Snapshot" : "User-space
table") +
                                         " qualifiers can only start with 'alphanumeric "
+
                                         "characters': i.e. [a-zA-Z_0-9]: " +
                                         Bytes.toString(qualifierName, start, end));
{code}



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