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https://issues.apache.org/jira/browse/CXF-3585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13049024#comment-13049024
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Freeman Fang edited comment on CXF-3585 at 6/14/11 7:28 AM:
------------------------------------------------------------
Hi David,
I'm wondering how you use EndpointSelectionInterceptor?
By my test, If there's an EndpointSelectionInterceptor in the InInterceptor
Chain, it always get invoked before the WSDLGetInterceptor, so I'm curious how
you see the NPE. We may not use same scenario, so if you can append a testcase,
it would be great.
Anyway, I think add
getAfter().add(EndpointSelectionInterceptor.class.getName());
for WSDLGetInterceptor constructor which ensure WSDLGetInterceptor always get
invoked after EndpointSelectionInterceptor(as both are in same phase) if
there's an EndpointSelectionInterceptor in the chain should be good.
Freeman
was (Author: ffang):
Hi David,
I'm wondering how you use EndpointSelectionInterceptor?
By my test, If there's an EndpointSelectionInterceptor in the InInterceptor
Chain, it always get invoked before the WSDLGetInterceptor, so I'm curious how
you see the NPE. We may not use same scenario, so if you can append a testcase,
it would be great.
Anyway, I think add
getAfter().add(EndpointSelectionInterceptor.class.getName());
for WSDLGetInterceptor constructor which ensure WSDLGetInterceptor always get
invoked after EndpointSelectionInterceptor if there's an
EndpointSelectionInterceptor in the chain should be good.
Freeman
> WSDLGetInterceptor throws NullPointException when using
> EndpointSelectionInterceptor
> ------------------------------------------------------------------------------------
>
> Key: CXF-3585
> URL: https://issues.apache.org/jira/browse/CXF-3585
> Project: CXF
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.4
> Reporter: David Liu
> Assignee: Freeman Fang
>
> Hi,
> It looks like WSDLGetInterceptor assumes that the current exchange has one
> Endpoint, however, there is the case we can use EndpointSelectionInterceptor
> to get the Endpoint later, so the Endpoint could be null and which causes
> NullPointException .
> e.g. WSDLGetInterceptor expects one Endpoint,
> {code}
> class WSDLGetInterceptor {
> //cannot have two wsdl's being written for the same endpoint at the
> same
> //time as the addresses may get mixed up
> synchronized (message.getExchange().getEndpoint()) { <--
> NullPointException
> ...
> {code}
> However, the Endpoint is null at this moment and it will be set in
> EndpointSelectionInterceptor later.
> {code}
> public void handleMessage(Message message) throws Fault {
> Exchange ex = message.getExchange();
> Set<Endpoint> endpoints =
> CastUtils.cast((Set)ex.get(MultipleEndpointObserver.ENDPOINTS));
> Endpoint ep = selectEndpoint(message, endpoints);
> if (ep == null) {
> return;
> }
> ex.put(Endpoint.class, ep);
> {code}
> David
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