[jira] [Created] (AVRO-2659) Some full names pass are not correctly validated.

["Ryan Skraba (Jira)" <ji...@apache.org>]

Ryan Skraba created AVRO-2659:
---------------------------------

             Summary: Some full names pass are not correctly validated.
                 Key: AVRO-2659
                 URL: https://issues.apache.org/jira/browse/AVRO-2659
             Project: Apache Avro
          Issue Type: Bug
          Components: java
            Reporter: Ryan Skraba


The Java implementation will parse a schema with an obviously bad name:

{code:json}
{ "type":"record",
  "name":"org.9apache.äv rö.🚎.$!#!@%$.Sïmplé۵",
  "fields": [
    {"name":"id", "type": "int"}
  ]
}
{code}

For Java: 
* no rules are applied to the namespace part of a full name, and
* the {{isLetterOrDigit}} methods in Character accept accented or multibyte letters and digits
* _(ambiguous)_ when a full name is specified, the namespace attribute is entirely ignored.  Should it be an error if it contains a bad namespace?

We should be applying the rules to all of the dot-delimited parts of a full name and namespace (unless ignored).



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