You did not complete the tutorial. Besides the Java component you need
to create some wiki pages:
"Create the XWiki.Proverb class, by adding a String property named
proverb to it" and so on.
Hope this helps,
Marius
On Mon, Oct 7, 2013 at 1:20 AM, matthiaw <mic.mat.wegner(a)web.de> wrote:
  Hello, i tried to implement the component example
 
http://extensions.xwiki.org/xwiki/bin/view/Extension/WikiComponent+Module
 which is also available from
 
https://github.com/jvdrean/xwiki-proverb-example
 When i put the compiled jar at WEB-INF/lib i get after starting the server
 org.xwiki.query.QueryException: Exception while execute query. Query
 statement = [ select doc.space , doc.name from XWikiDocument as doc ,
 BaseObject as proverb
  where ( proverb.proverb <> '' ) and doc.fullName=proverb.name and
 proverb.className='XWiki.Proverb' ]
 ...
 "Caused by: com.xpn.xwiki.XWikiException: Error number 0 in 3: Exception
 while hibernate execute
 Wrapped Exception: could not resolve property: proverb of:
 com.xpn.xwiki.objects.BaseObject [ select doc.space , doc.name from
 com.xpn.xwiki.doc.XWikiDocument a
 s doc , com.xpn.xwiki.objects.BaseObject as proverb where ( proverb.proverb
 <> '' ) and doc.fullName=proverb.name and
proverb.className='XWiki.Proverb'
 ]
 I use XWIKI v5.1 with embedded HsqlDB on Windows7. I dont get whats wrong
 and really appreciate some hints.
 My goal is to all new classes to a document or new properties to a page, but
 even get this example. Has anyone an idea what i did wrong?
 Regards,
 Matthias
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