>From my understanding you basically want a centralised place to handle
exceptions and a way to control what is returned to the client? We use an
exception mapper which receives all possible exceptions and you can then
return the desired response object based on the exception. We have a many
to one mapping between exceptions and the status codes we return in XML
format and are able to handle all exceptions ensuring that not undesired
responses get sent back to the client.

Have a look at
http://cwiki.apache.org/CXF20DOC/jax-rs.html#JAX-RS-Exceptionhandling

-----Original Message-----
From: vickatvuuch [mailto:[email protected]] 
Sent: Tuesday, 17 November 2009 9:30 AM
To: [email protected]
Subject: CXF jaxrs REST exception stack trace propagated to REST client,
can exception be wrapped up or filtered out or AOP intercepted?


Hi All,

Is there a way to Not propagate unchecked exception stack traces back to
the
client?

Use case: I have a port, that expects certain parameters, if one of them
is
null 
it may throw unchecked IllegalArgumentException, which could be rectified
if
it was
all under my control.

Imagine that other team members adding new ports and not wrapping it up
completely.
What I wanted was to have a way to control what goes out to the client
hopefully in one place.

For instance I have defined WSBaseException from which all other WS layer
exceptions 
should be derived and thrown out of the WS layer (annotated with
WebFault). 

First thing I did, I tried try AOP "after-throwing" pointcut, which is
where
I was hoping to intercept all outgoing exceptions and wrap them up in the
WSBaseException for anything 
that would come out unless it was already WSBaseException, but that didn't
work,  still debugging why it fails, btw AOP config and exception is
below:
But my question is mostly about how to do this without
extra AOP, does CXF has a way of dealing with this situation already, may
be
I'm missing something? 
Thanks,
-Vitaly

<bean id="wsExceptionInterceptorAspect"
class="com.foo.webservices.v1.WSExceptionTranslator"/>

  <aop:config>
    <aop:pointcut id="wsServiceOperation" 
    expression="execution(*
com.foo.webservices.v1.ports.auth.MyServiceImpl*.(..))"/>
    
    <aop:aspect id="wsAfterThrowing" ref="wsExceptionInterceptorAspect">
      <aop:after-throwing pointcut-ref="wsServiceOperation"
throwing="exception" method="afterThrowing"/>
    </aop:aspect>
  </aop:config>

The above blows up on server startup, when it is loading the Imlp on which
I
have a pointcut:

jaxws.EndpointImpl---1853031827,org.apache.cxf.jaxrs.spring.JAXRSServerFac
toryBeanDefinitionParser$SpringJAXRSServerFact
oryBean--1917449182,org.apache.cxf.jaxws.EndpointImpl--1050608923,org.apac
he.cxf.jaxws.EndpointImpl--880314741,wsExcepti
onInterceptorAspect,org.springframework.aop.config.internalAutoProxyCreato
r,wsServiceOperation,org.springframework.aop.a
spectj.AspectJPointcutAdvisor#0]; root of factory hierarchy
- Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating
bean
with name 'org.apache.cxf.jaxws.EndpointImp
l---1687321673': Invocation of init method failed; nested exception is
javax.xml.ws.WebServiceException: Creation of End
point failed
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFacto
ry.initializeBean(AbstractAutowireC
apableBeanFactory.java:1338)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFacto
ry.doCreateBean(AbstractAutowireCap
ableBeanFactory.java:473)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFacto
ry$1.run(AbstractAutowireCapableBea
nFactory.java:409)
        at java.security.AccessController.doPrivileged(Native Method)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFacto
ry.createBean(AbstractAutowireCapab
leBeanFactory.java:380)
        at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(
AbstractBeanFactory.java:264)
        at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.get
Singleton(DefaultSingletonBeanRegis
try.java:222)
        at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(Ab
stractBeanFactory.java:261)
        at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(Abst
ractBeanFactory.java:185)
        at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(Abst
ractBeanFactory.java:164)
        at
org.springframework.beans.factory.support.DefaultListableBeanFactory.preIn
stantiateSingletons(DefaultListable
BeanFactory.java:429)
        at
org.springframework.context.support.AbstractApplicationContext.finishBeanF
actoryInitialization(AbstractApplic
ationContext.java:728)
        at
org.springframework.context.support.AbstractApplicationContext.refresh(Abs
tractApplicationContext.java:380)
        at
org.springframework.web.context.ContextLoader.createWebApplicationContext(
ContextLoader.java:255)
        at
org.springframework.web.context.ContextLoader.initWebApplicationContext(Co
ntextLoader.java:199)
        at
org.springframework.web.context.ContextLoaderListener.contextInitialized(C
ontextLoaderListener.java:45)
        at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.jav
a:3934)
        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
        at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java
:791)
        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
        at
org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:850)
        at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:724)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:493)
        at
org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
        at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
        at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupp
ort.java:119)
        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
        at
org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
        at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
        at
org.apache.catalina.core.StandardService.start(StandardService.java:516)
        at
org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorIm
pl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: javax.xml.ws.WebServiceException: Creation of Endpoint failed
        at
org.apache.cxf.jaxws.JaxWsServerFactoryBean.init(JaxWsServerFactoryBean.ja
va:181)
        at
org.apache.cxf.jaxws.JaxWsServerFactoryBean.create(JaxWsServerFactoryBean.
java:168)
        at
org.apache.cxf.jaxws.EndpointImpl.getServer(EndpointImpl.java:346)
        at
org.apache.cxf.jaxws.EndpointImpl.doPublish(EndpointImpl.java:259)
        at
org.apache.cxf.jaxws.EndpointImpl.publish(EndpointImpl.java:209)
        at
org.apache.cxf.jaxws.EndpointImpl.publish(EndpointImpl.java:404)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorIm
pl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFacto
ry.invokeCustomInitMethod(AbstractA
utowireCapableBeanFactory.java:1414)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFacto
ry.invokeInitMethods(AbstractAutowi
reCapableBeanFactory.java:1375)
        at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFacto
ry.initializeBean(AbstractAutowireC
apableBeanFactory.java:1335)
        ... 39 more
Caused by: java.lang.IllegalArgumentException
        at
sun.reflect.UnsafeFieldAccessorImpl.ensureObj(UnsafeFieldAccessorImpl.java
:37)
        at
sun.reflect.UnsafeObjectFieldAccessorImpl.set(UnsafeObjectFieldAccessorImp
l.java:57)
        at java.lang.reflect.Field.set(Field.java:656)
        at
org.apache.cxf.common.injection.ResourceInjector.injectField(ResourceInjec
tor.java:283)
        at
org.apache.cxf.common.injection.ResourceInjector.visitField(ResourceInject
or.java:167)
        at
org.apache.cxf.common.annotation.AnnotationProcessor.processFields(Annotat
ionProcessor.java:101)
        at
org.apache.cxf.common.annotation.AnnotationProcessor.processFields(Annotat
ionProcessor.java:95)
        at
org.apache.cxf.common.annotation.AnnotationProcessor.accept(AnnotationProc
essor.java:69)
        at
org.apache.cxf.common.injection.ResourceInjector.inject(ResourceInjector.j
ava:81)
        at
org.apache.cxf.jaxws.JaxWsServerFactoryBean.injectResources(JaxWsServerFac
toryBean.java:221)
        at
org.apache.cxf.jaxws.JaxWsServerFactoryBean.init(JaxWsServerFactoryBean.ja
va:175)
        ... 51 more
Nov 16, 2009 5:23:23 PM org.apache.catalina.core.StandardContext start
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