Re: [rest-assured] MissingMethodException while using JAXB deserialization from JSON response to Object

[Johan Haleby]

Hi, 

Sorry for the late response, I have broken my hand so have a really hard time answering e-mails :(

Not really sure what's causing the error that you see but it seems to me that it may be a classpath issue. Are you using maven or have you downloaded the zip distribution?

Regards,

/Johan

On Thu, Oct 17, 2013 at 11:33 PM, Deepak M <dme...@gmail.com> wrote:

Hi,

I'm getting the following exception when I try to deserialize a JSON response into an Object using JAXB deserializer. How do I get around this error? Thanks!

Here's my test:

OrderCancellationResponse[] roomCancellationResponses =

                given().log().all()

                .expect().log().all().statusCode(Response.Status.OK.getStatusCode())

                .when().delete(cancelOrder).as(OrderCancellationResponse[].class,

                        ObjectMapperType.JAXB);

Here's how the class looks like:

@XmlAccessorType(XmlAccessType.FIELD)

@XmlRootElement(name = "cancellation_response")

public final class OrderCancellationResponse {

    @XmlElement(name = "order_status", required = true)

    private StatusType orderStatus;

    @XmlElement(name = "order_id", required = true)

    private String orderId;

}

JSON response is:

[

    {

        "room_status": "http://api.ean.com/booking-service/itinerary/cancelled",

        "cancelled_at": "2013-10-17T13:57:00-07:00",

    },

    {

        "room_status": "http://api.ean.com/booking-service/itinerary/cancelled",

        "cancelled_at": "2013-10-17T13:57:00-07:00",

    }

]

Error seen:

groovy.lang.MissingMethodException: No signature of method: com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal() is applicable for argument types: (java.io.StringReader, java.lang.Class) values: [java.io.StringReader@2731f1bc, class [Lcom.abc.order.domain.response.OrderCancellationResponse;]

Possible solutions: unmarshal(javax.xml.stream.XMLEventReader, java.lang.Class), unmarshal(javax.xml.stream.XMLStreamReader, java.lang.Class), unmarshal(javax.xml.transform.Source, java.lang.Class), unmarshal(org.w3c.dom.Node, java.lang.Class), unmarshal(javax.xml.stream.XMLEventReader, java.lang.Class), unmarshal(javax.xml.stream.XMLStreamReader, java.lang.Class)

at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:55)

at org.codehaus.groovy.runtime.callsite.PojoMetaClassSite.call(PojoMetaClassSite.java:46)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120)

at com.jayway.restassured.internal.path.xml.mapping.XmlPathJaxbObjectDeserializer.deserialize(XmlPathJaxbObjectDeserializer.groovy:45)

at com.jayway.restassured.path.xml.mapping.XmlPathObjectDeserializer$deserialize.call(Unknown Source)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)

at com.jayway.restassured.internal.mapping.JaxbMapper.deserialize(JaxbMapper.groovy:40)

at com.jayway.restassured.mapper.ObjectMapper$deserialize.call(Unknown Source)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)

at com.jayway.restassured.internal.mapping.ObjectMapping.parseWithJaxb(ObjectMapping.groovy:176)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:606)

at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)

at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite$StaticMetaMethodSiteNoUnwrapNoCoerce.invoke(StaticMetaMethodSite.java:148)

at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.callStatic(StaticMetaMethodSite.java:99)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallStatic(CallSiteArray.java:53)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:157)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:169)

at com.jayway.restassured.internal.mapping.ObjectMapping.deserializeWithObjectMapper(ObjectMapping.groovy:89)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:606)

at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)

at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite$StaticMetaMethodSiteNoUnwrapNoCoerce.invoke(StaticMetaMethodSite.java:148)

at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.callStatic(StaticMetaMethodSite.java:99)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallStatic(CallSiteArray.java:53)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:157)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:173)

at com.jayway.restassured.internal.mapping.ObjectMapping.deserialize(ObjectMapping.groovy:47)

at com.jayway.restassured.internal.mapping.ObjectMapping$deserialize.call(Unknown Source)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)

at com.jayway.restassured.internal.RestAssuredResponseImpl.as(RestAssuredResponseImpl.groovy:181)

at com.abc.order.request.cancel.OrderCancellationTest.testOrderCancel(OrderCancellationTest.java:71)

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[Johan Haleby]

Looking at it more closely at the error you seem to be using JAXB to parse JSON. This doesn't work! JAXB is for XML only, you probably want to use Jackson or Faster Jackson. And if you do you need to have those libraries in the classpath as well.

/Johan