Our queue is pretty full at the moment, Log a JIRA and we'll put it on
our Queue.
On 9/3/2012 5:43 PM, Jim Showalter wrote:
> The response to this wasn’t exactly overwhelming. One email said the
> mock framework is going to be deprecrated, which is fine, but in the
> meantime it would be good to find the cause of this.
> A few minor changes to show that it’s tied to the exception:
> package com.foo;
> import javax.ws.rs.GET;
> import javax.ws.rs.Path;
> import javax.ws.rs.Produces;
> @Path("/rest/v1")
> public class FooService {
> public static boolean BLOW_UP = false;
> @GET
> @Path("/foo")
> @Produces({"application/xml"})
> public Foo doFoo() throws FooValidationException {
> if (BLOW_UP) {
> throw new FooValidationException("FOO");
> }
> Foo foo = new Foo();
> foo.setName("FOO");
> return foo;
> }
> }
> package com.foo;
> import java.io.ByteArrayOutputStream;
> import java.io.IOException;
> import java.io.UnsupportedEncodingException;
> import java.net.URISyntaxException;
> import org.jboss.resteasy.core.Dispatcher;
> import org.jboss.resteasy.mock.MockDispatcherFactory;
> import org.jboss.resteasy.mock.MockHttpRequest;
> import org.jboss.resteasy.mock.MockHttpResponse;
> import
> org.jboss.resteasy.plugins.server.resourcefactory.POJOResourceFactory;
> public final class TestFooExceptionMapper {
> public static void main(String[] args) throws URISyntaxException,
> UnsupportedEncodingException, IOException {
> Dispatcher dispatcher = MockDispatcherFactory.createDispatcher();
> dispatcher.getRegistry().addResourceFactory(new
> POJOResourceFactory(FooService.class));
> dispatcher.getProviderFactory().addExceptionMapper(FooExceptionMapper.class);
> MockHttpRequest request;
> MockHttpResponse response;
> System.out.println("Test without exception:");
> request = MockHttpRequest.get("/rest/v1/foo");
> response = new MockHttpResponse();
> dispatcher.invoke(request, response);
> System.out.println(new
> String(((ByteArrayOutputStream)response.getOutputStream()).toByteArray(),
> "UTF-8"));
> System.out.println();
> System.out.println("Test with exception:");
> request = MockHttpRequest.get("/rest/v1/foo");
> response = new MockHttpResponse();
> FooService.BLOW_UP = true;
> dispatcher.invoke(request, response);
> System.out.println(new
> String(((ByteArrayOutputStream)response.getOutputStream()).toByteArray(),
> "UTF-8"));
> }
> }
> Test without exception:
> <?xml version="1.0" encoding="UTF-8"
> standalone="yes"?><foo><name>FOO</name></foo>
> Test with exception:
> Sep 03, 2012 2:34:37 PM org.jboss.resteasy.core.SynchronousDispatcher
> SEVERE: Failed executing GET /rest/v1/foo
> org.jboss.resteasy.spi.LoggableFailure: Unable to find contextual data
> of type: javax.servlet.http.HttpServletRequest
> at
> org.jboss.resteasy.core.ContextParameterInjector$GenericDelegatingProxy.invoke(ContextParameterInjector.java:56)
> at $Proxy18.getHeader(Unknown Source)
> at com.foo.FooExceptionMapper.toResponse(FooExceptionMapper.java:50)
> at com.foo.FooExceptionMapper.toResponse(FooExceptionMapper.java:1)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.executeExceptionMapper(SynchronousDispatcher.java:330)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.unwrapException(SynchronousDispatcher.java:359)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:348)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:220)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:196)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:551)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:513)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:125)
> at com.foo.TestFooExceptionMapper.main(TestFooExceptionMapper.java:35)
> At the point where it blows up, it’s trying to get contextual data for
> HttpServletRequest.
> Why is it doing that when the type of mock request sent in is a subclass
> of HttpRequest? Where does it get confused about the appropriate type to
> be looking up? This seems like a bug.
> I thought about changing our POM to download resteasy-jaxrs-beta1.jar,
> which has a MockHttpServletRequest, but then our test configuration
> differs from our runtime configuration in too many ways.
> *Sent:* Monday, August 27, 2012 9:42 AM
> *To:* resteasy-users@lists.sourceforge.net
> <mailto:resteasy-users@lists.sourceforge.net>
> *Subject:* [Resteasy-users] Problem using RESTEasy mock framework
> withexception mapper
> RESTEasy mock framework works fine without exception mapper--request is
> received and entity is returned with expected contents.
> After registering exception mapper and forcing an exception, call fails
> when innards of RESTEasy call
> ResteasyProviderFactory.getContextData(type), which returns null,
> resulting in unexpected error message: "Unable to find contextual data
> of type: javax.servlet.http.HttpServletRequest".
> Couldn't find any examples anywhere online of RESTEasy mock plus an
> exception mapper, and couldn't find anything useful about the error either.
> Client class:
> package com.foo;
> import javax.xml.bind.annotation.XmlAccessType;
> import javax.xml.bind.annotation.XmlAccessorType;
> import javax.xml.bind.annotation.XmlRootElement;
> import javax.xml.bind.annotation.XmlType;
> @XmlAccessorType(XmlAccessType.FIELD)
> @XmlType(name = "foo-type", propOrder = {
> "name"
> })
> @XmlRootElement(name = "foo")
> public class Foo {
> protected String name;
> public String getName() {
> return name;
> }
> public void setName(String value) {
> this.name = value;
> }
> }
> Object factory:
> package com.foo;
> import javax.xml.bind.annotation.XmlRegistry;
> @XmlRegistry
> public class ObjectFactory {
> public ObjectFactory() {
> }
> public Foo createFoo() {
> return new Foo();
> }
> }
> Validation exception:
> package com.foo;
> public class ValidationException extends RuntimeException {
> private static final long serialVersionUID = -8100360206713223313L;
> public ValidationException(String message) {
> super(message);
> }
> public ValidationException(Exception innerException) {
> super(innerException);
> }
> public ValidationException(String message, Exception
> innerException) {
> super(message, innerException);
> }
> }
> Service endpoint:
> package com.foo;
> import javax.ws.rs.GET;
> import javax.ws.rs.Path;
> import javax.ws.rs.Produces;
> @Path("/rest/v1")
> public class FooService {
> @GET
> @Path("/foo")
> @Produces("application/xml")
> public Foo alwaysBlowUp() throws ValidationException {
> if (System.currentTimeMillis() > 0) {
> throw new ValidationException("FOO");
> }
> return null;
> }
> }
> Exception mapper:
> package com.foo;
> import javax.servlet.http.HttpServletRequest;
> import javax.ws.rs.core.Context;
> import javax.ws.rs.core.HttpHeaders;
> import javax.ws.rs.core.MediaType;
> import javax.ws.rs.core.Response;
> import javax.ws.rs.core.Response.ResponseBuilder;
> import javax.ws.rs.core.Response.Status;
> import javax.ws.rs.ext.ExceptionMapper;
> import javax.ws.rs.ext.Provider;
> @Provider
> public class FooExceptionMapper implements
> ExceptionMapper<ValidationException> {
> @Context
> private static HttpServletRequest request;
> @Context
> private static HttpHeaders headers;
> @Override
> public Response toResponse(ValidationException exception) {
> MediaType mediaType = null;
> /*
> Set breakpoint on line below.
> Step over line and you get the exception in the logs.
> Step into the line and the problem is in ResteasyProviderFactory:
> public static <T> T getContextData(Class<T> type)
> {
> return (T) getContextDataMap().get(type); <<< type ==
> javax.servlet.http.HttpServletRequest
> }
> The type is not in the map, so it returns null.
> The null results in this error in ContextParameterInjector:
> private class GenericDelegatingProxy implements InvocationHandler
> {
> public Object invoke(Object o, Method method, Object[] objects)
> throws Throwable
> {
> try
> {
> Object delegate = ResteasyProviderFactory.getContextData(type);
> if (delegate == null)
> throw new LoggableFailure("Unable to find contextual data of type: " +
> type.getName()); <<< ERROR IN LOGS
> */
> String acceptHeader = request.getHeader("accept");
> if (MediaType.APPLICATION_XML.equals(acceptHeader)) {
> mediaType = MediaType.APPLICATION_XML_TYPE;
> } else if (MediaType.APPLICATION_JSON.equals(acceptHeader)) {
> mediaType = MediaType.APPLICATION_JSON_TYPE;
> } else {
> mediaType = headers.getMediaType();
> if (mediaType == null) {
> mediaType = MediaType.APPLICATION_XML_TYPE;
> }
> }
> ResponseBuilder builder = Response.status(Status.BAD_REQUEST);
> builder.type(mediaType);
> return builder.build();
> }
> }
> Test:
> package com.foo;
> import java.net.URISyntaxException;
> import org.jboss.resteasy.core.Dispatcher;
> import org.jboss.resteasy.mock.MockDispatcherFactory;
> import org.jboss.resteasy.mock.MockHttpRequest;
> import org.jboss.resteasy.mock.MockHttpResponse;
> import
> org.jboss.resteasy.plugins.server.resourcefactory.POJOResourceFactory;
> public final class TestFooExceptionMapper {
> public static void main(String[] args) throws URISyntaxException {
> Dispatcher dispatcher = MockDispatcherFactory.createDispatcher();
> dispatcher.getRegistry().addResourceFactory(new
> POJOResourceFactory(FooService.class));
> dispatcher.getProviderFactory().addExceptionMapper(FooExceptionMapper.class);
> MockHttpRequest request = MockHttpRequest.get("/rest/v1/foo");
> MockHttpResponse response = new MockHttpResponse();
> dispatcher.invoke(request, response);
> }
> }
> Error:
> Aug 26, 2012 10:44:26 PM org.jboss.resteasy.core.SynchronousDispatcher
> SEVERE: Failed executing GET /rest/v1/foo
> org.jboss.resteasy.spi.LoggableFailure: Unable to find contextual data
> of type: javax.servlet.http.HttpServletRequest
> at
> org.jboss.resteasy.core.ContextParameterInjector$GenericDelegatingProxy.invoke(ContextParameterInjector.java:56)
> at $Proxy18.getHeader(Unknown Source)
> at com.foo.FooExceptionMapper.toResponse(FooExceptionMapper.java:51)
> at com.foo.FooExceptionMapper.toResponse(FooExceptionMapper.java:1)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.executeExceptionMapper(SynchronousDispatcher.java:330)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.unwrapException(SynchronousDispatcher.java:359)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:348)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:220)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:196)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:551)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:513)
> at
> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:125)
> at com.foo.TestFooExceptionMapper.main(TestFooExceptionMapper.java:20)
> http://stackoverflow.com/questions/12136780/resteasy-mock-vs-exception-mapper-vs-context
>
> ------------------------------------------------------------------------
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>
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>
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> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>
>
>
> _______________________________________________
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> https://lists.sourceforge.net/lists/listinfo/resteasy-users
>
--
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com
------------------------------------------------------------------------------
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and
threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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