Org.apache.cxf.jaxrs.client. client webapplicationexception http connection is null

Connect and share knowledge within a single location that is structured and easy to search. While I am trying to access webservice url from GateIn3. I am attaching the entire log here. I can't do deep cloning since the class is from a third party source. Is there some other way to solve this. When I am running the code in a sample progrm it is working fine. But the issue happens when executing from within the application which is deployed in gateIn 3.

Is any other configurations should I do? Or can it be due to some jar mismatch? The error is java. When it call clone to instantiate the object instance it might not copy some field values. You need to use deep clone technique. Alternatively, users can also use WebClient. You can handle remote exceptions by either explicitly getting a Response object as shown above and handling error statuses as needed or you can catch either javax.

WebApplicationException or javax. ProcessingException exceptions, the same way it can be done with proxies. Like proxies, HTTP clients can be created using a number of WebClient static utility methods: you can pass a location to a Spring configuration bean if needed or you can set up a default bus as shown above.

For example:. Note, starting from CXF 2. The only limitation of using this option is that some of jaxrs:client attributes "inheritHeaders", "modelRef" and elements "model" are not really applicable to WebClient. Note that an XMLSource instance can be set to buffer the input stream thus allowing for executing multiple XPath queries. This will work as is for asynchronous calls given that the HttpClient-based transport is required.

Proxies and web clients clients are not thread safe by default. In some cases this can be a limitation, especially when clients are injected; synchronizing on them can cause performance side effects. One way to 'make' clients thread-safe is to use WebClient. A single client doing multiple invocations without changing the current URI or headers is thread-safe while creating a Invocation. Builder instances concurrently is not thread-safe since the shared instance of non-thread-safe class ClientProviderFactory is used under the hood.

The only limitation in this case applies to proxies, in that they can not get "out of band" headers without synchronizing, ex :.

Final option is to use a 'threadSafe' boolean property when creating proxies or web clients either from Spring or programmatically , see this test for more details.

Thread-safe clients created this way keep their state in a thread-local storage. If a number of incoming threads is limited then one option is just do nothing, while the other option is to reset the thread local state :. Sometimes, you may want to configure a client instance after it is been created.

For example, one may want to configure HTTPConduit programmatically, as opposed to setting its properties using Spring. ClientConfiguration represents a client-specific configuration state and can be accessed like this :.

Note the trailing '. Please see this configuration file for more examples. If you work with proxies then you can have the proxy-specific configuration using the expanded QName notation:. Please see jaxrs-https-client1. When injecting clients from Spring, one can add 'username' and 'password' values as attributes to jaxrs:client elements or add them to WebClient factory create methods.

Apache CXF. All other marks mentioned may be trademarks or registered trademarks of their respective owners. JAX-RS 2. Proxy-based API With the proxy-based API, one can reuse on the client side the interfaces or even the resource classes which have already been designed for processing the HTTP requests on the server side note that a cglib -nodeps dependency will need to be available on the classpath for proxies created from concrete classes.

Registering a custom ContextProvider implementation such as SearchContextProvider lets attach Context annotations to arbitrary classes which can be helpful when some of the information representing the current request needs to be optimized or specialized, example:. Mapping of a particular URI to a service that returns some resource is straightforward using the Path annotation.

However RESTful services are often connected: one service returns data that is used as the key in another service. Listing entities and accessing a particular entity is a typical example:. For this service we can assume that the returned list of customers exposes only basic attributes and more details is returned using the second method which uses the customer id as the key.

Something like this:. How does a client of this service know how to get from list of customers to given customer? A trivial approach would be to expect the client to compute the proper URI. But wouldn't it be better to have the services provide full URIs in the response that can be used directly? This way the client would be more decoupled from the service itself which may change URI format over time.

A client could be provided the following on response, for example:. The problem for the service is how to determine these URIs when the paths come from Path annotations. It gets more complicated as we consider paths with templates variables on multiple levels or sub-resources introducing dynamic routing to different URIs. The core part of the solution is to inject the UriInfo object into method "getCustomers". This helper object allows for extracting useful information about the current URI context, but more importantly allows for getting the UriBuilder object.

UriBuilder has multiple appender methods for building the URI for each object; in our case to the stem URI we can append path in multiple ways, providing it as a string which we actually want to avoid here or a resource class or method to extract the Path value.

This case in action looks like this:. Similarly, annotations can be inherited from super-classes. In CXF, the resource class will inherit the class-level annotations from both its implemented interfaces and any class it extends. A method of a resource class that is annotated with Path becomes a sub-resource locator when no annotation with an HttpMethod designator like GET is present. Sub-resource locators are used to further resolve the object that will handle the request.

They can delegate to other sub-resource locators, including themselves. If the Order resource whose id is is found, the Order will be used to further resolve Product resource. Eventually, a Product that belongs to Order will be returned.

Note that a subresource class like Order often has no root Path annotations which means that they're delegated to dynamically at runtime, in other words, they can not be invoked upon before one of the root resource classes is invoked first. Note that a given subresource can be represented as an interface or some base class resolved to an actual class at runtime. In this case any resource methods which have to be invoked on an actual subresource instance are discovered dynamically at runtime:.

By default, subresources are resolved dynamically at runtime. This is a slower procedure, partly due to the fact that a concrete subresource implementation may introduce some JAXRS annotations in addition to those which might be available at the interface typed by a subresource locator method and different to those available on another subresource instance implementing the same interface.

If you know that all the JAXRS annotations are available on a given subresource type or one of its superclasses or interfaces returned by a subresource locator method then you may want to disable the dynamic resolution :. Note - starting from CXF 2. JAX-RS requires that certain types has to be supported out of the box. It's likely that a given application may need to deal with types that are not supported by default. Alternatively, developers may want to provide a more efficient implementation for handling default types such as InputStream.

Putting Provider annotation on the provider class is something that should lead to your provider being registered with the runtime. CXF does not support this feature yet. While having Provider-annotated providers automatically registered is a handy feature indeed, sometimes it might actually be problematic. For example, in a large project user providers from different libraries might clash. Yet another requirement might be to have only a given jaxrs:server endpoint among multiple available ones to handle requests with a given media type:.

InputStream provider is available on all the 3 paths. InputStreamProvider is used in 2 cases, while a special InputStream handler baz.

InputStreamProvider from another library is also involved in one case. As explained above, message body providers can play a major part in affecting the way target resource methods are matched. See this example on how to provide custom media types from Spring. Apache CXF. Selecting between multiple resource classes Selecting between multiple resource methods Resource methods and media types Custom selection between multiple resources or operations Context annotations Custom Contexts URI calculation using UriInfo and UriBuilder Annotation inheritance Sub-resource locators.

HashMap; import java. Map; import javax. GET; import javax. Path; import javax. PathParam; import javax. Produces; import javax. ElementType; import java. Retention; import java. RetentionPolicy; import java. UnsupportedEncodingException; import java.

URLDecoder; import java. HashSet; import java. List; import java. Set; import javax. HttpMethod; import javax. MultivaluedMap; import org. ResourceComparator; import org. ClassResourceInfo; import org. OperationResourceInfo; import org. OperationResourceInfoComparatorBase; import org. Parameter; import org. HttpUtils; import org. All other marks mentioned may be trademarks or registered trademarks of their respective owners.

RxJava2 RxJava2 can be used as a rx type when registered. Project Reactor Project Reactor can be used as a rx type when registered. SubResources as Classes Sometimes subresource may need to have the request context information available to them. Client ClientRequestFilter and ClientResponseFilter are new client-side request and response filters which can be used to customize various properties of a given request and response. Interceptors ReaderInterceptor and WriterInterceptor can be used in addition to filters or on its own to customize requests and responses on server and client sides.

Dynamic Features Dynamic Feature is a server side feature that can be used to attach request and response filters as well as reader and writer interceptors to specific resource methods.

Exceptions Dedicated exception classes representing various HTTP error or redirect conditions have been introduced, see the 'javax.