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https://issues.jboss.org/browse/JBSEAM-1583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marek Novotny updated JBSEAM-1583:
----------------------------------
Fix Version/s: The future
> seam:component intercept uses Seam standard rules by default
> ------------------------------------------------------------
>
> Key: JBSEAM-1583
> URL: https://issues.jboss.org/browse/JBSEAM-1583
> Project: Seam
> Issue Type: Bug
> Components: Spring
> Affects Versions: 2.0.0.BETA1
> Reporter: Magnus Heino
> Assignee: Michael Youngstrom
> Fix For: 2.0.0.CR1, The future
>
>
> From spring-seam-2.0.xsd, intercept:
> Determines whether Seam interceptors should be wrapped around a bean, by
> overriding Seam's default rules.
> Seldom do you want the seam interceptors wrapped around a sprig singleton.
> Auto will use choose no
> interception for a singleton and use Seam standard rules otherwise.
> Looking at the code, I can't find anything about this "no interception for a
> singleton" default.
> This bean
> <bean id="processRepository"
> class="se.lantmateriet.wfl.dataaccess.WsProcessRepository">
> <constructor-arg value="http://localhost/avtal/avtalservice.asmx"/>
> <seam:component/>
> </bean>
> fails like this:
> 12:45:35,203 DEBUG [ProxyUtils] Creating proxy for Spring Seam component
> 'processRepository' using class:
> se.lantmateriet.wfl.dataaccess.WsProcessRepository
> 12:45:35,282 INFO [DefaultListableBeanFactory] Destroying singletons in
> org.springframework.beans.factory.support.defaultlistablebeanfact...@8c2d94:
> defining beans
> [org.jboss.seam.ioc.spring.seamComponentPostProcessor,processRepository];
> root of factory hierarchy
> 12:45:35,297 ERROR [[/wfl-seam]] Exception sending context initialized event
> to listener instance of class org.jboss.seam.servlet.SeamListener
> org.springframework.beans.factory.BeanCreationException: Error creating bean
> with name 'processRepository' defined in ServletContext resource
> [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested
> exception is org.jboss.seam.InstantiationException: Could not instantiate
> Seam component: processRepository
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:430)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:255)
> at
> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:156)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:252)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
> at
> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:287)
> at
> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:689)
> at
> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:358)
> at
> org.jboss.seam.ioc.spring.ContextLoader.startupContextLoader(ContextLoader.java:64)
> at org.jboss.seam.ioc.spring.ContextLoader.create(ContextLoader.java:43)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
> at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124)
> at org.jboss.seam.Component.callComponentMethod(Component.java:1957)
> at org.jboss.seam.Component.callCreateMethod(Component.java:1880)
> at org.jboss.seam.Component.newInstance(Component.java:1859)
> at org.jboss.seam.contexts.Contexts.startup(Contexts.java:304)
> at org.jboss.seam.contexts.Contexts.startup(Contexts.java:278)
> at
> org.jboss.seam.contexts.ServletLifecycle.endInitialization(ServletLifecycle.java:98)
> at org.jboss.seam.init.Initialization.init(Initialization.java:508)
> at
> org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:34)
> at
> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3854)
> at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4359)
> at
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:761)
> at
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:741)
> at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:553)
> Caused by: org.jboss.seam.InstantiationException: Could not instantiate Seam
> component: processRepository
> at org.jboss.seam.Component.newInstance(Component.java:1853)
> at org.jboss.seam.Component.getInstance(Component.java:1756)
> at org.jboss.seam.Component.getInstance(Component.java:1735)
> at org.jboss.seam.Component.getInstance(Component.java:1729)
> at
> org.jboss.seam.ioc.spring.SeamComponentPostProcessor.postProcessAfterInitialization(SeamComponentPostProcessor.java:49)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:314)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1184)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:407)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:255)
> at
> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:156)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:252)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
> at
> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:287)
> at
> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:689)
> at
> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:358)
> at
> org.jboss.seam.ioc.spring.ContextLoader.startupContextLoader(ContextLoader.java:64)
> at org.jboss.seam.ioc.spring.ContextLoader.create(ContextLoader.java:43)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
> at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124)
> at org.jboss.seam.Component.callComponentMethod(Component.java:1957)
> at org.jboss.seam.Component.callCreateMethod(Component.java:1880)
> at org.jboss.seam.Component.newInstance(Component.java:1859)
> at org.jboss.seam.contexts.Contexts.startup(Contexts.java:304)
> at org.jboss.seam.contexts.Contexts.startup(Contexts.java:278)
> at
> org.jboss.seam.contexts.ServletLifecycle.endInitialization(ServletLifecycle.java:98)
> at org.jboss.seam.init.Initialization.init(Initialization.java:508)
> Caused by: java.lang.InstantiationException:
> se.lantmateriet.wfl.dataaccess.WsProcessRepository_$$_javassist_0
> at java.lang.Class.newInstance0(Class.java:340)
> at java.lang.Class.newInstance(Class.java:308)
> at org.jboss.seam.ioc.ProxyUtils.enhance(ProxyUtils.java:71)
> at
> org.jboss.seam.ioc.IoCComponent.instantiateJavaBean(IoCComponent.java:94)
> at org.jboss.seam.Component.instantiate(Component.java:1154)
> at org.jboss.seam.Component.newInstance(Component.java:1849)
> at org.jboss.seam.Component.getInstance(Component.java:1756)
> at org.jboss.seam.Component.getInstance(Component.java:1735)
> at org.jboss.seam.Component.getInstance(Component.java:1729)
> at
> org.jboss.seam.ioc.spring.SeamComponentPostProcessor.postProcessAfterInitialization(SeamComponentPostProcessor.java:49)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:314)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1184)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:407)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:255)
> at
> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:156)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:252)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
> at
> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:287)
> at
> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:689)
> at
> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:358)
> at
> org.jboss.seam.ioc.spring.ContextLoader.startupContextLoader(ContextLoader.java:64)
> at org.jboss.seam.ioc.spring.ContextLoader.create(ContextLoader.java:43)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
> at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124)
> at org.jboss.seam.Component.callComponentMethod(Component.java:1957)
> at org.jboss.seam.Component.callCreateMethod(Component.java:1880)
> If I change <seam:component/> to <seam:component intercept="false"/>
> everything works.
> 1. Default for stateless spring beans seems to be true since seam standard
> rules are applied if intercept is null, that is not defined. bug?
> 2. Why would I want to use intercept="true" anyway? What interceptors will be
> added?
> 3. Why is it failing with intercept="true"?
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