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Posted to users@wicket.apache.org by fachhoch <fa...@gmail.com> on 2010/11/12 21:43:25 UTC
download link in abstractTab
I have a link in a AbstractTab , on click I start download a file ,
any time I click on this link whole tab is reloaded , please tell me is
this normal? , is there any way I can control this ?
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Re: download link in abstractTab
Posted by fachhoch <fa...@gmail.com>.
this error is happening in all instances not just production ,I tried
commenting response.close() , no difference I still get the error.
Also I tried wicket way of download still the same
here the code for wicket download
<code>
new Link<Void>("downloadHelp"){
@Override
public void onClick() {
try{
IResourceStream resourceStream = new ByteArrayResourceStream(
manualService.getManualBytes(UserContextHolder.getOrgAbbrev(),"user_guide"));
getRequestCycle().setRequestTarget( new
ResourceStreamRequestTarget( resourceStream ) {
public String getFileName( ) {
return("User Guide.pdf");
}
});
}catch (Exception e) {
throw new RuntimeException(e);
}
}
})
</code>
and ByteArrayResourceStream
<code>
public class ByteArrayResourceStream implements IResourceStream {
private byte[] content = null;
public ByteArrayResourceStream( byte[] content) {
this.content = content;
}
@Override
public void close() throws IOException {
// TODO Auto-generated method stub
}
@Override
public String getContentType() {
// TODO Auto-generated method stub
return "application/octet-stream";
}
@Override
public InputStream getInputStream() throws ResourceStreamNotFoundException
{
// TODO Auto-generated method stub
return(new ByteArrayInputStream( content ));
}
@Override
public Locale getLocale() {
// TODO Auto-generated method stub
return null;
}
@Override
public long length() {
// TODO Auto-generated method stub
return 0;
}
@Override
public void setLocale(Locale locale) {
// TODO Auto-generated method stub
}
@Override
public Time lastModifiedTime() {
// TODO Auto-generated method stub
return null;
}
}
</code>
please help us resolve this.
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Re: download link in abstractTab
Posted by Frank van Lankvelt <f....@onehippo.com>.
not sure why you would get it in production and not in development.
But you should drop the WebResponse#close call; that will be invoked
by Wicket later when it's flushing everything to the servlet response.
(in fact, that's when the exception is thrown, glancing over the
stacktrace)
cheers, Frank
On Mon, Nov 15, 2010 at 4:36 AM, fachhoch <fa...@gmail.com> wrote:
>
> we are in production and we are getting this error , please somebody help me,
>
>
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Re: download link in abstractTab
Posted by fachhoch <fa...@gmail.com>.
we are in production and we are getting this error , please somebody help me,
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Re: download link in abstractTab
Posted by fachhoch <fa...@gmail.com>.
<code>
setRedirect(false);
WebResponse response = (WebResponse) getResponse();
response.setAttachmentHeader(filename);
response.setLastModifiedTime(Time.now());
response.setContentType("application/octet-stream");
response.write(
new ByteArrayInputStream(filedata));
response.close();
</code>
does this download code has any issues ?
I noticed whenever this code is called the whole page is reloaded
also I get this eception
<code>
java.lang.IllegalStateException: STREAM
at org.eclipse.jetty.server.Response.getWriter(Response.java:640)
at
javax.servlet.ServletResponseWrapper.getWriter(ServletResponseWrapper.java:122)
at org.apache.wicket.protocol.http.WebResponse.write(WebResponse.java:392)
at
org.apache.wicket.protocol.http.BufferedWebResponse.close(BufferedWebResponse.java:74)
at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:500)
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:317)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1187)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
at
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
at
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
at
org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)
at
org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1187)
at
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
at
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1187)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:421)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:493)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:924)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:358)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:860)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:245)
at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:113)
at org.eclipse.jetty.server.Server.handle(Server.java:335)
at
org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:588)
at
org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1029)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:549)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:211)
at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:418)
at
org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:476)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:436)
at java.lang.Thread.run(Thread.java:619)
</code>
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