users@jersey.java.net

Re: [Jersey] Problem with jersey 0.9 and jetty

From: Reece Garrett <RGARRET_at_co.pierce.wa.us>
Date: Mon, 25 Aug 2008 09:44:43 -0700

Paul,

Thanks for your help. My getSize() was returning 0. I see why it worked
in 0.8 and not 0.9.

-Reece

>>> Paul Sandoz <Paul.Sandoz_at_Sun.COM> 8/22/2008 3:00:03 PM >>>

On Aug 22, 2008, at 10:50 PM, Reece Garrett wrote:

> The problem is in line 132 of
> com.sun.jersey.spi.container.ContainerResponse:
>
> Jersey version 0.8 —-> o =
responseWriter.writeStatusAndHeaders(-1,
> ContainerResponse.this);
> Jersey version 0.9 —-> o =
responseWriter.writeStatusAndHeaders(size,
> ContainerResponse.this);
>
> I reverted that line back to what it was in 0.8 and it works.
>

The "size" is set from what is returned by the getSize method of the
selected message body writer, see line 232 of Jersey version 0.9
ContainerResponse (see below). So if a writer does not know the size
of what is being written then the method should return -1.

Paul.

         final MessageBodyWriter p = bodyContext.getMessageBodyWriter(
                 entity.getClass(), entityType,
                 null, contentType);
         // If there is no message body writer return a Not
Acceptable response
         if (p == null) {
             LOGGER.severe("A message body reader for Java type, " +
entity.getClass() +
                     ", and MIME media type, " + contentType + ", was

not found");
             if (request.getMethod().equals("HEAD")) {
                 responseWriter.writeStatusAndHeaders(-1, this);
                 return;
             } else
                 throw new WebApplicationException
(Responses.notAcceptable().build());
         }

         final long size = p.getSize(entity); <------ get
the size from the writer
         if (request.getMethod().equals("HEAD")) {
             if (size != -1)
                 getHttpHeaders().putSingle("Content-Length",
Long.toString(size));
         } else {
             p.writeTo(entity, entity.getClass(), entityType, null,
                     contentType, getHttpHeaders(),
                     new CommittingOutputStream(size));
         }


> -Reece
>
>>>> "Reece Garrett" <RGARRET_at_co.pierce.wa.us> 8/22/2008 1:21 PM >>>
> Hello,
>
> I am using Jetty web server and just upgraded to jersey 0.9. I am
> using
> my own json entity provider which was working with jersey 0.8 but
now
> that I've upgraded I get no response body. I get the right response

> code
> but not my entity representation. I've debugged and verified that
> when I
> call outputStream.write(representation.getBytes()); that the
> representation is correct but it just doesn't make it into the
> response.
> I am using the spring-servlet. Any ideas?
>
> -Reece
>
>
>
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