https://issues.apache.org/bugzilla/show_bug.cgi?id=53454
Priority: P2
Bug ID: 53454
Assignee: dev@tomcat.apache.org
Summary: Default doHead implementation overrides
'Content-Length' header
Severity: normal
Classification: Unclassified
Reporter: n.s.skvort...@gmail.com
Hardware: PC
Status: NEW
Version: 6.0.29
Component: Servlet & JSP API
Product: Tomcat 6
Created attachment 28985
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28985&action=edit
Sampe app with sources
If a client extends HttpServlet and desides to override doGet() method,
resulting servlet can fail to correctly handle HEAD requests.
This will happen, if client chooses to set Content-Length manually (e.g., to
allow content bigger than 2Gb):
resp.setHeader("Content-Length", String.valueOf(12345678900L));
and only writes actual content if it is a GET request (e.g., because it is
costly operation).
In such conditions, GET request will have correct "Content-Length" header, but
HEAD requset will have "Content-Length" header with value 0.
Sample project with sources is attached
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