Clarify implicit mappings and welcome file behaviour

[glassfishrobot]

Consider the following:
*.do is mapped to a servlet
welcome files are index.jsp, index.do

The intention is that the index.jsp page should be used if present and index.do (which always maps to the servlet) used if it is not. However, a strict reading of the servlet spec requires that a 404 is returned in index.jsp is not present .

[glassfishrobot]

@glassfishrobot Commented
Reported by markt_asf

[glassfishrobot]

@glassfishrobot Commented
gregwilkins said:
The problem with this mechanism is that it was designed (and named) for welcome files. This has been somewhat subverted to allow for welcome servlets - ie if *.jsp is mapped to a servlet, then you get this 404 issue.

I believe the solution is to have a separate welcome servlet configuration, that would allow index.do to be attempted even though there is not a index.do file that exists.

[glassfishrobot]

@glassfishrobot Commented
This issue was imported from java.net JIRA SERVLET_SPEC-20

[glassfishrobot]

• Issue Imported From: https://github.com/javaee/servlet-spec/issues/20
• Original Issue Raised By:@glassfishrobot
• Original Issue Assigned To: @glassfishrobot