12:55 p.m.
Better error message for @ManagedBean annotated Beans that do not have a no-arg
constructor
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Key: WELD-733
URL: https://jira.jboss.org/browse/WELD-733
Project: Weld
Issue Type: Feature Request
Components: Class Beans (Managed and Session)
Reporter: Sivakumar Thyagarajan
If we have an @ManagedBean annotated class that does not have a no-arg constructor, and is
CDI-enabled(for instance has an interceptor binding annotation assigned to one of its
methods), Weld proxy creation fails with an InstantiationException(see below) because of
the missing no-arg ctor. It would be nice if Weld detects this case better and provides a
better error message. I have filed a GlassFish issue (GlassFish issue 14076) for us to
fail deployment, but Weld's handling of this issue would help GlassFish and other
containers.
Caused by: org.jboss.weld.exceptions.DeploymentException:
test.beans.org$jboss$weld$bean-$export$work$workspaces$gfv3$v3$distributions$glassfish$target$glassfish3$glassfish$domains$domain1$applications$cdi-simple-managed-bean-interceptor-web$-ManagedBean-class_test$beans$TestManagedBean_$$_WeldProxy
at org.jboss.weld.bean.ManagedBean.applyInterceptors(ManagedBean.java:600)
at
org.jboss.weld.bean.ManagedBean$ManagedBeanInjectionTarget.produce(ManagedBean.java:256)
at org.jboss.weld.bean.ManagedBean.create(ManagedBean.java:338)
at org.jboss.weld.context.DependentContext.get(DependentContext.java:62)
at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:660)
at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:734)
at
org.jboss.weld.manager.BeanManagerImpl.getInjectableReference(BeanManagerImpl.java:757)
at org.jboss.weld.injection.FieldInjectionPoint.inject(FieldInjectionPoint.java:118)
at org.jboss.weld.util.Beans.injectBoundFields(Beans.java:840)
at org.jboss.weld.util.Beans.injectFieldsAndInitializers(Beans.java:852)
at
org.jboss.weld.manager.SimpleInjectionTarget$1.proceed(SimpleInjectionTarget.java:122)
at
org.glassfish.weld.services.InjectionServicesImpl.aroundInject(InjectionServicesImpl.java:134)
at org.jboss.weld.injection.InjectionContextImpl.run(InjectionContextImpl.java:50)
at org.jboss.weld.manager.SimpleInjectionTarget.inject(SimpleInjectionTarget.java:116)
at
org.glassfish.weld.services.JCDIServiceImpl.createManagedObject(JCDIServiceImpl.java:227)
at
org.glassfish.weld.services.JCDIServiceImpl.createManagedObject(JCDIServiceImpl.java:181)
at
com.sun.enterprise.container.common.impl.managedbean.ManagedBeanManagerImpl.createManagedBean(ManagedBeanManagerImpl.java:478)
at
com.sun.enterprise.container.common.impl.managedbean.ManagedBeanManagerImpl.createManagedBean(ManagedBeanManagerImpl.java:428)
at
com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.createManagedObject(InjectionManagerImpl.java:300)
... 28 more
Caused by: org.jboss.weld.exceptions.DefinitionException:
test.beans.org$jboss$weld$bean-$export$work$workspaces$gfv3$v3$distributions$glassfish$target$glassfish3$glassfish$domains$domain1$applications$cdi-simple-managed-bean-interceptor-web$-ManagedBean-class_test$beans$TestManagedBean_$$_WeldProxy
at org.jboss.weld.bean.proxy.ProxyFactory.create(ProxyFactory.java:223)
at org.jboss.weld.bean.ManagedBean.applyInterceptors(ManagedBean.java:594)
... 46 more
Caused by: java.lang.InstantiationException:
test.beans.org$jboss$weld$bean-$export$work$workspaces$gfv3$v3$distributions$glassfish$target$glassfish3$glassfish$domains$domain1$applications$cdi-simple-managed-bean-interceptor-web$-ManagedBean-class_test$beans$TestManagedBean_$$_WeldProxy
at java.lang.Class.newInstance0(Class.java:340)
at java.lang.Class.newInstance(Class.java:308)
at org.jboss.weld.util.reflection.SecureReflections$16.work(SecureReflections.java:396)
at
org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:54)
at
org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInstantiation(SecureReflectionAccess.java:216)
at
org.jboss.weld.util.reflection.SecureReflections.newInstance(SecureReflections.java:391)
at org.jboss.weld.bean.proxy.ProxyFactory.create(ProxyFactory.java:218)
... 47 more
|#]
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