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Including resources by jsp include tag doesn't work!? [message #88572]

Tue, 22 May 2007 10:59

Sasa Teofanovic

Messages: 12
Registered: July 2009

Junior Member

Hi Simon,

I'm now using the latest Equinox bundles to run my webapp with Tomcat5.5:

- org.eclipse.equinox.http(1.0.100.qualifier)
- org.eclipse.equinox.http.servlet(1.0.0.qualifier)
- org.eclipse.equinox.http.servletbridge (1.0.0.qualifier)
- org.eclipse.equinox.jsp.jasper (1.0.0.qualifier)

+ ORBIT bundles for jsp support:

- javax.servlet_2.4.0.v200704241052.jar
- javax.servlet.jsp_2.0.0.v200703221034.jar
- org.apache.jasper_5.5.17.v200704241052.jar
- org.apache.commons.el_1.0.0.v200704241052.jar
- org.apache.commons.logging_1.0.4.v200701082340.jar

Now, mutli-level jsp includes work fine, but when it comes to resource
includes by jsp include tags (e.g. <jsp:include page="foo.html"/>), an
IllegalStateException is thrown in the ResourceRegistration
(org.eclipse.equinox.http.servlet) when trying to get the output stream
from the ServletResponseWrapperInclude to write the resource.

In this case, Tomcat uses the PrintWriter instead of the
ServletOutputStream to include non-jsp files:

DefaultServlet.serveResource() {
....

// Trying to retrieve the servlet output stream
try {
ostream = response.getOutputStream();
} catch (IllegalStateException e) {
// If it fails, we try to get a Writer instead if we're
// trying to serve a text file
if ( (contentType == null)
|| (contentType.startsWith("text")) ) {
writer = response.getWriter();
} else {
throw e;
}
}
...

Is that a known bug (couldn't find anything about this issue)??

thx,
teos

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Re: Including resources by jsp include tag doesn't work!? [message #88606 is a reply to message #88572]

Tue, 22 May 2007 14:32

Simon Kaegi

Messages: 381
Registered: July 2009

Senior Member

I think I understand the use-case.
I'm guessing that what's happened is that elsewhere the response has already
opened a writer. Seems reasonable to try a writer if we get an
IllegalStateException when serving up a reosurce -- I'll open a bug.

-Simon

"teos" <sasa.teofanovic@gmx.at> wrote in message
news:63a35911d0afcc84ba4981fb5d76c096$1@www.eclipse.org...
> Hi Simon,
>
> I'm now using the latest Equinox bundles to run my webapp with Tomcat5.5:
>
> - org.eclipse.equinox.http(1.0.100.qualifier)
> - org.eclipse.equinox.http.servlet(1.0.0.qualifier)
> - org.eclipse.equinox.http.servletbridge (1.0.0.qualifier)
> - org.eclipse.equinox.jsp.jasper (1.0.0.qualifier)
>
> + ORBIT bundles for jsp support:
>
> - javax.servlet_2.4.0.v200704241052.jar
> - javax.servlet.jsp_2.0.0.v200703221034.jar
> - org.apache.jasper_5.5.17.v200704241052.jar
> - org.apache.commons.el_1.0.0.v200704241052.jar
> - org.apache.commons.logging_1.0.4.v200701082340.jar
>
>
> Now, mutli-level jsp includes work fine, but when it comes to resource
> includes by jsp include tags (e.g. <jsp:include page="foo.html"/>), an
> IllegalStateException is thrown in the ResourceRegistration
> (org.eclipse.equinox.http.servlet) when trying to get the output stream
> from the ServletResponseWrapperInclude to write the resource.
>
> In this case, Tomcat uses the PrintWriter instead of the
> ServletOutputStream to include non-jsp files:
>
> DefaultServlet.serveResource() {
> ...
>
> // Trying to retrieve the servlet output stream
> try {
> ostream = response.getOutputStream();
> } catch (IllegalStateException e) {
> // If it fails, we try to get a Writer instead if we're
> // trying to serve a text file
> if ( (contentType == null)
> || (contentType.startsWith("text")) ) {
> writer = response.getWriter();
> } else {
> throw e;
> }
> }
> ..
>
> Is that a known bug (couldn't find anything about this issue)??
>
> thx,
> teos
>
>
>

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