[jboss-jira] [JBoss JIRA] (WFCORE-4582) Cannot create user with underscores in the name

[Thorsten Heit (Jira)]

Thorsten Heit created WFCORE-4582:
-------------------------------------

             Summary: Cannot create user with underscores in the name
                 Key: WFCORE-4582
                 URL: https://issues.jboss.org/browse/WFCORE-4582
             Project: WildFly Core
          Issue Type: Feature Request
    Affects Versions: 10.0.0.Beta2
            Reporter: Thorsten Heit
            Assignee: Jeff Mesnil


On a fresh a Wildfly install (tested on 11.0.0.Final and 17.0.0.Final) I cannot create application users with underscores in the user name:

{noformat}
C:\Users\thorsten\bin\wildfly-11.0.0.Final\bin>add-user
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by __redirected.__SAXParserFactory (file:/C:/Users/thorsten/bin/wildfly-11.0.0.Final/jboss-modules.jar) to c
onstructor com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl()
WARNING: Please consider reporting this to the maintainers of __redirected.__SAXParserFactory
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release

What type of user do you wish to add?
 a) Management User (mgmt-users.properties)
 b) Application User (application-users.properties)
(a): b

Enter the details of the new user to add.
Using realm 'ApplicationRealm' as discovered from the existing property files.
Username : user_name

 * Error *
WFLYDM0028: Username must be alphanumeric with the exception of the following accepted symbols (",", "-", ".", "/", "=", "@", "\")

Username (user_name) :
{noformat}

We use basic authentification to restrict access to our applications, and expect usernames in the format {{<prefix>\_<suffix>}} with {{<prefix>}} being a sequence of plain letters (a-z), followed by an underscore ("\_") and a number as {{<suffix>}}.

This is possible with WebSphere and even Tomcat, but actually not in Wildfly.



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