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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)