I'm going slightly insane on this one..
that's because everything worked fine, and after some slight modifications
(none that could cause such errors I believe) I can't backtrack anymore
where things went wrong.
The error I'm getting is this:
Could not convert 'page.quickNavigation' into a component parameter binding:
java.lang.LinkageError: Class
com/wrappt/aroer/base/AbstractNavigationContainer violates loader
constraints.
for full stack-trace see entirely below.
location
classpath:com/wrappt/aroer/components/BaseLayout.tml, line 122, column
77
117 <div class="h plain">
118 <h2>Verfijn de resultaten</h2>
119 </div>
120 <div class="c">
121 <!-- <t:quickForm t:id="quickForm"/>-->
122 <t:delegate t:id="quickFormDelegate" t:to="page.quickNavigation"/>
<-- here it happens
123 </div>
124 <div class="f"> </div>
125 </div>
126 </div>
127 </div>
the setup is not that simple, but here it goes anyway:
- baselayout is a basic layout that wraps all pages as implemented in an
abstract class called superPage.
- all pages extend SuperPage.
- SuperPage implements ISuperPage (for mixing services with components)
- all pages have a quicknavigation component , although their implementation
can be different.
- each quickNavigation-component inherits from AbstractNavigationContainer
(which is where the loader constraint happens)
the relevant parts:
BaseLayout
----------------------
@Parameter(required = true)
private ISuperPage page;
public ISuperPage getPage()
{
return (ISuperPage)page;
}
SuperPage (implements ISuperPage)
--------------
@Component(parameters={"page=this"})
private BaseLayout bl;
public abstract AbstractNavigationContainer getQuickNavigation();
Aanbiedingen extends SuperPage
----------------------------------
@Component private QuickFormAllResults quickNavigation;
public QuickFormAllResults getQuickNavigation() {
return this.quickNavigation;
}
Aanbiedingen.tml
----------------------
<t:baselayout t:id="bl"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
<t:block>
<t:quickformallresults t:id="quickNavigation"/>
</t:block>
...
</t:baselayout>
and finally:
QuickFormAllResults extends AbstractNavigationContainer
---------------------
// nothing intersteing here
AbstractNavigationContainer
-------------------------------
public SuperPage getPage()
{
..... //uses componentresources to recursively traverse the tree upwards
until it finds a componet
of type SuperPage and returns that..
}
I'm really out of options, as I can't seem to comment enough lines to make
it work: when i comment quicknavigation in baselayout.tml the error simply
shifts to another component that implements AbstractNavigationContainer
Thanks a lot for any help!
Geert-Jan
p.s: i was on 5.0.7 SNAPSHOT and now back on 5.0.6
stacktrace:
Caused by: java.lang.LinkageError: Class
com/wrappt/aroer/base/AbstractNavigationContainer violates loader
constraints
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2395)
at java.lang.Class.getDeclaredMethods(Class.java:1763)
at java.beans.Introspector$1.run(Introspector.java:1265)
at java.security.AccessController.doPrivileged(Native Method)
at
java.beans.Introspector.getPublicDeclaredMethods(Introspector.java:1263)
at java.beans.Introspector.getTargetMethodInfo(Introspector.java:1129)
at java.beans.Introspector.getBeanInfo(Introspector.java:387)
at java.beans.Introspector.getBeanInfo(Introspector.java:159)
at
org.apache.tapestry.ioc.internal.services.PropertyAccessImpl.buildAdapter(PropertyAccessImpl.java:85)
... 72 more
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