Invoking getParameter() on HttpServletRequest throws IllegalStateException
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Key: WICKET-3406
URL: https://issues.apache.org/jira/browse/WICKET-3406
Project: Wicket
Issue Type: Bug
Components: wicket
Affects Versions: 1.5-RC1
Reporter: todd wolff
ServletWebRequest reads the post parameters from entity body rather than using
getParameterMap and/or getParamteterNames method as indicated by ServletAPI:
"If the parameter data was sent in the request body, such as occurs with an
HTTP POST request, then reading the body directly via getInputStream() or
getReader() can interfere with the execution of this method."
IMO, trying to distinguish the get (query) parameters from the post parameters
in the new Wicket request API is problematic for several reasons. 1. The
servlet API does not differentiate in terms of the parameter's source and
programmers are therefore not inclined to handle them differently. 2. Within
Wicket 1.4..x, the PageParameters object passed to a page's constructor used to
contain parameters from both sources, now it no longer does, which is
confusing. 3. The method Request.getRequestParameters() attempts to combine
the query parameters and post parameters using a Set. If multiple parameters
with the same name and different values exist, which the spec allows, they will
be overwritten.
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