Support and user questions for Jetty, a HTTP server and Servlet container for Java

Michael Eastwood | 1 Oct 2003 04:31

[Jetty-support] Problem starting jetty plus

Hello.

Have been looking at the JettyPlus bits and pieces, and came across a 
couple of problems:

1.  Trying to start the jettyplus demo, ant exits with a xercesImpl 
parsing exception (can't put '--' inside a comment).  Specifically, 
lines 60-65 of jettyplus.xml contain 'comments' such as -- millis -- 
which interfere with parsing.  Changing these to - millis - allowed the 
demo to run correctly.

2.  Trying to weave JNDI Datasource lookups into my own code, I 
reconfigured the server to use the org.mortbay.jetty.plus.Server class, 
and edited start.config in start.jar as per instructions on 
http://jetty.mortbay.org/jetty/plus/.  Unfortunately, with these changes 
made start.jar becomes useless, exiting with NullPointerExceptions. 
Specifically, org/mortbay/plus/Server.java in its main method creates 
new Servers as per the xml configuration, then tries immediately to 
start each one.  Starting involves iterating over the service list. 
This service list is not initialized unless the xml configuration file 
contains at least one "addService" call.  This requirement isn't stated 
on the plus page above, or in the README file that comes in the plus 
section's build area.  Although it might seem obvious that you would 
want to congiure services to bother using the plus server, a more 
helpful error message, or a little doco might smooth the way.

Michael

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Roland van Woerkom | 1 Oct 2003 10:04

[Jetty-support] request.getParameter in servlet

Hello,

When I submit a form to a servlet the euro-sign show up as '?' in request.getParameter.
When I submit this same form to a jsp all works ok and the '€' is displayed.
How is this possible?

I tried this in jboss 3.0.7 and 3.2.1 whith the same results.
I use a POST in the form, so that should be ok. In the java version of the jsp generated by Jetty, I can see that the character encoding of the response is set to ISO-8859-1 by response.setContentType("text/html;ISO-8859-1"). I did the same in the servlet, I think this should be OK.

Does anybody know how to solve this?
regards,

Roland

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Chris Haynes | 1 Oct 2003 10:14

Re: [Jetty-support] request.getParameter in servlet

Roland,

The character decoding applied to the request parameters can be set by
calling request.setCharacterEncoding() before asking for _any_ of the
parameters. This is probably what JSP is doing, and you need to do
this in your Servlet.

The whole process of handing non-ASCII characters is complex - see
http://jetty.mortbay.org/jetty/doc/international.html

Chris
p.s. Please don't send HTML to mailing lists

Roland van Woerkom  asked:

Hello,

When I submit a form to a servlet the euro-sign show up as '?' in
request.getParameter.
When I submit this same form to a jsp all works ok and the '€' is
displayed.
How is this possible?

I tried this in jboss 3.0.7 and 3.2.1 whith the same results.
I use a POST in the form, so that should be ok. In the java version of
the jsp generated by Jetty, I can see that the character encoding of
the response is set to ISO-8859-1 by
response.setContentType("text/html;ISO-8859-1"). I did the same in the
servlet, I think this should be OK.

Does anybody know how to solve this?
regards,

Roland

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Michael Eastwood | 1 Oct 2003 10:44

Re: [Jetty-support] request.getParameter in servlet

Character encoding does get tricky, and it depends what you're using to 
look at the character in question. In addition to Chris's advice, you 
might try setting your character encoding to UTF-8. I use it habitually 
instead of ISO-8559-1 to avoid problems like the one you're having.

Michael

Roland van Woerkom wrote:

> Hello,
>
> When I submit a form to a servlet the euro-sign show up as '?' in 
> request.getParameter.
> When I submit this same form to a jsp all works ok and the '€' is 
> displayed.
> How is this possible?
> I tried this in jboss 3.0.7 and 3.2.1 whith the same results.
> I use a POST in the form, so that should be ok. In the java version of 
> the jsp generated by Jetty, I can see that the character encoding of 
> the response is set to ISO-8859-1 by 
> response.setContentType("text/html;ISO-8859-1"). I did the same in the 
> servlet, I think this should be OK.
>
> Does anybody know how to solve this?
> regards,
> Roland

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Wadge, Nick | 1 Oct 2003 14:45

[Jetty-support] Chunking

Does anyone know how to get chunking working with Jetty? Spoofed requests such as this:

telnet localhost 80
GET /web-console/index.html HTTP/1.1
Host: localhost
Transfer-Encoding: chunked
Connection: close

do not seem to result in a chunked response.

TIA

Nick

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Wadge, Nick | 1 Oct 2003 14:48

[Jetty-support] Cache-control

I would like to specify the cache age for static content such as gifs and JPEGs, but cannot determine how to do this with Jetty. I would appreciate any help.