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https://issues.apache.org/jira/browse/AXIS2-5489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13631379#comment-13631379
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Miguel Ángel Francisco Fernández commented on AXIS2-5489:
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Of course, + is a legal character in a URL, but according to RFC 2396, which
defines valid URI syntax, + is a reserved character in the query string, and it
must be encoded: RFC 3986/ RFC1738 . The main part we're interested in is from
3.4 Query Component:
As web servers treat "+" as a space, if AXIS2 client does not encode the +
symbol, how can I really send a real + symbol?
If you have a look at URLEncoder
(http://docs.oracle.com/javase/1.5.0/docs/api/java/net/URLEncoder.html), you
will see what transformations Java does:
When encoding a String, the following rules apply:
The alphanumeric characters "a" through "z", "A" through "Z" and "0"
through "9" remain the same.
The special characters ".", "-", "*", and "_" remain the same.
The space character " " is converted into a plus sign "+".
All other characters are unsafe and are first converted into one or more
bytes using some encoding scheme. Then each byte is represented by the
3-character string "%xy", where xy is the two-digit hexadecimal representation
of the byte. The recommended encoding scheme to use is UTF-8. However, for
compatibility reasons, if an encoding is not specified, then the default
encoding of the platform is used.
> Encoding GET parameters with '+' character in generated REST clients with
> WSDL2Java
> -----------------------------------------------------------------------------------
>
> Key: AXIS2-5489
> URL: https://issues.apache.org/jira/browse/AXIS2-5489
> Project: Axis2
> Issue Type: Bug
> Components: kernel, transports
> Affects Versions: 1.6.2
> Environment: Ubuntu
> Reporter: Miguel Ángel Francisco Fernández
> Priority: Blocker
> Labels: +, GET, REST, encode,
> Fix For: 1.6.2
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> Using the wsdl2java tool to generate a Java client to access a REST web
> service described with a WSDL 2.0, the generated client does not encode the
> symbol '+' in GET parameters.
> For example, if I have an URL "/get_url", and I set the parameter "param" to
> "x+x", the symbol "+" is not encoded, and therefore it is interpreted as a
> space on the server ("x x"). If I try to send the parameter encoded, i.e.,
> "%2B", then "%252B" is received in the server.
> Therefore, it is not possible to send the '+' symbol in a GET parameter.
> I guess that it is caused by the definition of the field
> LEGAL_CHARACTERS_IN_QUERY in the interface
> org.apache.axis2.description.WSDL2Constants, which is set to
> "-._~!$'()*+,;=:@/?"
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