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Posted to issues@cxf.apache.org by "Dmitry Kozlov (JIRA)" <ji...@apache.org> on 2015/03/13 02:33:39 UTC
[jira] [Created] (CXF-6297) JAX-RS BeanValidation feature fails
with NPE on sub-resource call in JAXRSBeanValidationOutInterceptor
Dmitry Kozlov created CXF-6297:
----------------------------------
Summary: JAX-RS BeanValidation feature fails with NPE on sub-resource call in JAXRSBeanValidationOutInterceptor
Key: CXF-6297
URL: https://issues.apache.org/jira/browse/CXF-6297
Project: CXF
Issue Type: Bug
Components: JAX-RS
Affects Versions: 3.0.4
Reporter: Dmitry Kozlov
With {{JAXRSBeanValidationFeature}} enabled CXF fails to process request to sub-resource with exception like this:
{code}
23:58:16.049 [qtp457732796-28] WARN o.a.cxf.phase.PhaseInterceptorChain - Interceptor for {http://example.com/}MainResource has thrown exception, unwinding now
java.lang.NullPointerException: null
at org.apache.cxf.jaxrs.validation.ValidationUtils.getResourceInstance(ValidationUtils.java:39) ~[cxf-rt-frontend-jaxrs-3.0.4.jar:3.0.4]
at org.apache.cxf.jaxrs.validation.JAXRSBeanValidationOutInterceptor.getServiceObject(JAXRSBeanValidationOutInterceptor.java:44) ~[cxf-rt-frontend-jaxrs-3.0.4.jar:3.0.4]
at org.apache.cxf.validation.AbstractValidationInterceptor.handleMessage(AbstractValidationInterceptor.java:60) ~[cxf-core-3.0.4.jar:3.0.4]
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307) [cxf-core-3.0.4.jar:3.0.4]
at org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:83) [cxf-core-3.0.4.jar:3.0.4]
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307) [cxf-core-3.0.4.jar:3.0.4]
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [cxf-core-3.0.4.jar:3.0.4]
at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:251) [cxf-rt-transports-http-3.0.4.jar:3.0.4]
at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [cxf-rt-transports-http-3.0.4.jar:3.0.4]
at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [cxf-rt-transports-http-3.0.4.jar:3.0.4]
at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [cxf-rt-transports-http-3.0.4.jar:3.0.4]
at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:171) [cxf-rt-transports-http-3.0.4.jar:3.0.4]
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:293) [cxf-rt-transports-http-3.0.4.jar:3.0.4]
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:217) [cxf-rt-transports-http-3.0.4.jar:3.0.4]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) [javax.servlet-api-3.1.0.jar:3.1.0]
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:268) [cxf-rt-transports-http-3.0.4.jar:3.0.4]
...
{code}
The example resource code:
{code}
@Path("/main")
public interface MainResource {
@Path("/sub/{id}")
SubResource subResource(@PathParam @Size(min=3, max=255) String id);
}
-----
public interface SubResource {
@GET
@Path("/items")
List<String> items();
}
GET http://example.com/main/sub/123/items
{code}
NPE happens at [ValidationUtils.java:39|https://github.com/apache/cxf/blob/c79696bfc1aee1d1204cbd592f6bc5c83c0d9dae/rt/frontend/jaxrs/src/main/java/org/apache/cxf/jaxrs/validation/ValidationUtils.java#L39], since {{resourceProvider}} retrieved on previous line is {{null}}:
{code:java|firstline=33|highlight=39}
public static Object getResourceInstance(Message message) {
final OperationResourceInfo ori = message.getExchange().get(OperationResourceInfo.class);
if (ori == null) {
return null;
}
final ResourceProvider resourceProvider = ori.getClassResourceInfo().getResourceProvider();
if (!resourceProvider.isSingleton()) {
String error = "Service object is not a singleton, use a custom invoker to validate";
LOG.warning(error);
return null;
} else {
return resourceProvider.getInstance(message);
}
{code}
This happens only during invocation of {{JAXRSBeanValidationOutInterceptor}} and only when calling sub-resources as in example above.
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