It might be a nice improvement to Wicket's Spring support to allow for
missing bean definitions to be handled gracefully. This would allow for
the use of a sane default in the absence of explicit declaration in the
context XML. Right now using the Spring annotations support I get the
following error when I don't define the object in the XML:
org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean
named 'beanName' is defined
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.get
BeanDefinition(DefaultListableBeanFactory.java:355)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getMergedB
eanDefinition(AbstractBeanFactory.java:800)
at
org.springframework.beans.factory.support.AbstractBeanFactory.isSingleto
n(AbstractBeanFactory.java:343)
at
org.springframework.context.support.AbstractApplicationContext.isSinglet
on(AbstractApplicationContext.java:654)
at
org.apache.wicket.spring.SpringBeanLocator.isSingletonBean(SpringBeanLoc
ator.java:133)
at
org.apache.wicket.spring.injection.annot.AnnotProxyFieldValueFactory.get
FieldValue(AnnotProxyFieldValueFactory.java:91)
at org.apache.wicket.injection.Injector.inject(Injector.java:108)
at
org.apache.wicket.injection.ConfigurableInjector.inject(ConfigurableInje
ctor.java:39)
at
org.apache.wicket.injection.ComponentInjector.onInstantiation(ComponentI
njector.java:52)
at
org.apache.wicket.Application.notifyComponentInstantiationListeners(Appl
ication.java:973)
at org.apache.wicket.Component.<init>(Component.java:866)
... truncated for brevity
Using getSpringContext().contains(String) either within or as an exposed
method of SpringBeanLocator would probably be sufficient to avoid
hitting this exception.
Thanks,
Larry
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