Hi there,
I've got a little problem, where I find no starting point to search for:
There is an entity from hibernate wich has got an OneToMany relationship
called objektBilder. This relationship should return
an List<objektBild>. Which it does normally (the used dataset works
correctly in an standalone app). But if I try to use it in
Tapestry I got an Error that it does not contain the correct Object. But
on line 9 hiberate tells correctly about an entity with the correct
Class and ID.
23:01:42,625 DEBUG [AbstractBatcher] preparing statement
23:01:42,625 DEBUG [StringType] binding
'402882fb09f078fc0109f07a1b290001' to parameter: 1
23:01:42,625 DEBUG [AbstractBatcher] about to open ResultSet (open
ResultSets: 0, globally: 0)
23:01:42,625 DEBUG [Loader] result set contains (possibly empty)
collection:
[isi.as.hib.objekt.Objekt.objektBilder#402882fb09f078fc0109f07a1b290001]
23:01:42,625 DEBUG [CollectionLoadContext] uninitialized collection:
initializing
23:01:42,625 DEBUG [Loader] processing result set
23:01:42,625 DEBUG [Loader] result set row: 0
23:01:42,625 DEBUG [StringType] returning
'402882fb09f078fc0109f07a87dd0003' as column: bilderId3_0_
23:01:42,625 DEBUG [Loader] result row:
EntityKey[isi.as.hib.bilder.ObjektBild#402882fb09f078fc0109f07a87dd0003]
23:01:42,625 DEBUG [AbstractBatcher] about to close ResultSet (open
ResultSets: 1, globally: 1)
23:01:42,625 DEBUG [AbstractBatcher] about to close PreparedStatement
(open PreparedStatements: 1, globally: 1)
23:01:42,625 DEBUG [AbstractBatcher] closing statement
23:01:42,625 DEBUG [RequestCycle] Removing attribute
org.apache.tapestry.Form
23:01:42,625 DEBUG [RequestCycle] Removing attribute
org.apache.tapestry.PageRenderSupport
23:01:42,625 DEBUG [AbstractEngine] Uncaught exception
org.apache.hivemind.ApplicationRuntimeException: Object with id:
402882fb09f078fc0109f07a87dd0003 was not of the specified subclass:
isi.as.hib.bilder.ObjektBild (loaded object was of wrong class)
[context:/WEB-INF/Admin/Objekte/Miete/WohnungNeu.page, line 6, column 70]
at
org.apache.tapestry.engine.RequestCycle.renderPage(RequestCycle.java:380)
at
org.apache.tapestry.services.impl.ResponseRendererImpl.renderResponse(ResponseRendererImpl.java:71)
at
$ResponseRenderer_109f079235d.renderResponse($ResponseRenderer_109f079235d.java)
at
org.apache.tapestry.engine.DirectService.service(DirectService.java:137)
at $IEngineService_109f07923c9.service($IEngineService_109f07923c9.java)
My WohnungNeu.page-File looks like this:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE page-specification PUBLIC
"-//Apache Software Foundation//Tapestry Specification 4.0//EN"
"http://jakarta.apache.org/tapestry/dtd/Tapestry_4_0.dtd";>
<page-specification class="isi.pages.admin.objekte.miete.WohnungNeu">
<description>add a description</description>
<property name="objbild" />
<property name="grbild"/>
<property name="teaserBild"/>
</page-specification>
But the property from objbild (wich should be the property) didn't
accept an class attribute anymore, so I couldn't specify the type
explicitly.
Has anybody an idea? Or is there any good tapestry - hibernate tutorial
on the internet?
yours
marc
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