I'm using spring to build my web app.
In my custom WebMvcConfigurationSupport
class, I setup basic ContentNegotiationConfigurer
like following:
@Override
public void configureContentNegotiation(final ContentNegotiationConfigurer configurer) {
configurer
.favorPathExtension(false)
.favorParameter(true)
.parameterName("mediaType")
.ignoreAcceptHeader(false)
.useJaf(false)
.defaultContentType(MediaType.APPLICATION_XML)
.mediaType("json", MediaType.APPLICATION_JSON)
.mediaType("xml", MediaType.APPLICATION_XML);
}
I cannot set ignoreAcceptHeader
to true
, since some of my customers rely on this header for response.
But when I try to access my API with an invalid Accept
header like Accept: :*/*
(note that extra colon), spring redirects to the error page /error
, with the following log:
12:18:14.498 468443 [6061] [qtp1184831653-73] DEBUG o.s.w.s.m.m.a.ExceptionHandlerExceptionResolver
Resolving exception from handler [public MyController.myAction() throws java.io.IOException]: org.springframework.web.HttpMediaTypeNotAcceptableException:
Could not parse accept header [: application/json,*/*]: Invalid mime type ": application/json": Invalid token character ':' in token ": application"
Can I change this behavior? I want to ignore Accept
header completely instead of jump to error page. Is that possible?
Use a filter to intercept the requests with wrong header and wrap them replacing (or removing) the wrong header.
Adding an HTTP Header to the request in a servlet filter
In the example change the getHeader()
method to
public String getHeader(String name) {
if ("accept".equals(name)) {
return null; //or any valid value
}
String header = super.getHeader(name);
return (header != null) ? header : super.getParameter(name);
}
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