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From bugzi...@apache.org
Subject [Bug 63905] New: ErrorReportValve adds CSS even if both showReport and showServerInfo are set to false
Date Tue, 05 Nov 2019 22:26:06 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=63905

            Bug ID: 63905
           Summary: ErrorReportValve adds CSS even if both showReport and
                    showServerInfo are set to false
           Product: Tomcat 8
           Version: 8.5.x-trunk
          Hardware: All
                OS: All
            Status: NEW
          Severity: minor
          Priority: P2
         Component: Catalina
          Assignee: dev@tomcat.apache.org
          Reporter: awaltman@gmail.com
  Target Milestone: ----

According to the documentation for ErrorReportValve
(https://tomcat.apache.org/tomcat-8.5-doc/config/valve.html#Error_Report_Valve),
disabling both showServerInfo and showReport will only return the HTTP status
code and remove all CSS, however after the fix for 60490
(https://bz.apache.org/bugzilla/show_bug.cgi?id=60490) this is no longer the
case and the error page returns responses like this:

<!doctype html><html lang="en"><head><title>HTTP Status 400 – Bad
Request</title><style type="text/css">h1
{font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;}
h2
{font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;}
h3
{font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;}
body {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;}
b {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} p
{font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}
a {color:black;} a.name {color:black;} .line
{height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP
Status 400 – Bad Request</h1></body></html>

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