https://issues.apache.org/bugzilla/show_bug.cgi?id=53627
Priority: P2
Bug ID: 53627
Assignee: [email protected]
Summary: Content-Type header not written after dispatch via
AsyncContext
Severity: normal
Classification: Unclassified
OS: Linux
Reporter: [email protected]
Hardware: PC
Status: NEW
Version: 7.0.29
Component: Catalina
Product: Tomcat 7
After a dispatch via AsyncContext, the 'Content-Type' header does not appear in
the response on the client side even though it is set on the server side via
response.setContentType(String).
A project demonstrating the issue:
https://github.com/rstoyanchev/dispatch-test
Checkout the source from the 'tomcat-issue-repro' branch. When the application
is deployed, from the home page choose the "JSON content" scenario. The
scenario involves one Servlet that creates a thread and dispatches to a second
Servlet that sets the contentType property of the response to
"application/json" and writes some JSON content. However, the 'Content-Type'
header does not appear in the response. For details on the setup see
WebAppInitializer.setupJsonSecnario(ServletContext).
----
FWIW, if forwarding is used from the application thread instead of a dispatch
through the AsyncContext, the response contains the 'Content-Type' header. To
see that modify the line that sets up servlet "JsonA" in
WebAppInitializer.setupJsonScenario(ServletContext) to create a
ForwardingAsyncServlet instead of a DispatchingAsyncServlet.
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