More specific error messages and fix version

[dmatej]

This issue follows up the #23585 issue.

Environment Details

• GlassFish Version (and build number): 6.2.2

com.sun.enterprise.v3.services.impl.HttpUtils.getErrorPage

• declares that the server is GlassFish4, not 6.2.2
• findBytes is not used anywhere and should be deleted

GlassfishErrorPageGenerator

• Uses same message for all error codes, originally for 500, but before Status Code is 413, but page displayed as 500 #23585 it just masked any code by 500

[github-actions]

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[github-actions]

This issue has been marked as inactive and old and will be closed in 7 days if there is no further activity. If you want the issue to remain open please add a comment

[github-actions]

This issue has been marked as inactive and old and will be closed in 7 days if there is no further activity. If you want the issue to remain open please add a comment