hello,
I was trying to build a rss feed service using tuscany.
I implemented the interface
org.apache.tuscany.sca.binding.rss.collection.Collection
like this:
public class FeedImpl implements Collection {
public SyndEntry get(String id) throws NotFoundException {
// TODO Auto-generated method stub
SyndPerson author = new SyndPersonImpl( );
author.setEmail("[email protected]");
author.setName("Example Person");
SyndEntry entry = new SyndEntryImpl( );
entry.setTitle("First Entry Title");
entry.setLink("http://www.example.org/item1");
SyndContent description = new SyndContentImpl( );
description.setValue("News about the Example project");
description.setType("text");
entry.setDescription(description);
entry.setAuthors(Collections.singletonList(author));
return entry;
}
public SyndFeed getFeed() {
// TODO Auto-generated method stub
SyndPerson author = new SyndPersonImpl( );
author.setEmail("[email protected]");
author.setName("Example Person");
SyndFeed feed = new SyndFeedImpl( );
feed.setTitle("Example Feed Output from ROME");
feed.setDescription("The Example Organization web site");
feed.setAuthors(Collections.singletonList(author));
feed.setLink("http://www.example.org/");
feed.setPublishedDate(new Date( ));
List<SyndEntry> entries = new ArrayList<SyndEntry>();
try {
entries.add(this.get(""));
} catch (Exception e) {
// TODO: handle exception
}
feed.setEntries(entries);
return feed;
}
public SyndFeed query(String queryString) {
// TODO Auto-generated method stub
return getFeed();
}
}
and in my composite file there is:
<component name="FeedComponent">
<implementation.java class="rocku.java.infoshare.services.FeedImpl"
/>
<service name="Collection">
<t:binding.rss />
</service>
</component>
The application run successfully. But when I open the URL(
http://localhost:8080/FeedComponent)
in my browser, it outputs the following error:
HTTP ERROR: 500
Invalid rss_2.0 feed, missing channel title
RequestURI=/FeedComponent
Caused by:
com.sun.syndication.io.FeedException: Invalid rss_2.0 feed, missing channel
title
......
I found the JIRA page: https://issues.apache.org/jira/browse/TUSCANY-3111.
It says that
adding a description to the feed would fix the problem. But I explicitly set
the title and
description in my code.
Thanks for your time.
--
*****************************************************
Tianlong Wu
Computer Science and Technology Dept.
Harbin Institute of Technology
NO.92 Xidazhi Street,150001
Harbin, Heilongjiang Province, P.R.China