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POjavax.xml.bind.JAXBException: Class *** nor any of its super class is known to this context
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  1. POjavax.xml.bind.JAXBException: Class *** nor any of its super class is known to this context
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    copied!<p>I'm trying to pass a object via REST web service. Following are my classes explains the functionality that I need using some example codes. </p> <p><strong>Rest Web Service Class method</strong></p> <pre><code>@POST @Path("/find") @Consumes(MediaType.APPLICATION_FORM_URLENCODED) @Produces({MediaType.APPLICATION_JSON}) public Response getDepartments(){ Response response = new Response(); try { response.setCode(MessageCode.SUCCESS); response.setMessage("Department Names"); Department dept = new Department("12", "Financial"); response.setPayload(dept); } catch (Exception e) { response.setCode(MessageCode.ERROR); response.setMessage(e.getMessage()); e.printStackTrace(); } return response; } </code></pre> <p><strong>Response Class</strong></p> <pre><code>import java.io.Serializable; import javax.xml.bind.annotation.XmlRootElement; @XmlRootElement public class Response implements Serializable{ private static final long serialVersionUID = 1L; public enum MessageCode { SUCCESS, ERROR, UNKNOWN } private MessageCode code; private String message; private Object payload; public MessageCode getCode() { return code; } public void setCode(MessageCode code) { this.code = code; } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } public Object getPayload() { return payload; } public void setPayload(Object payload) { this.payload = payload; } } </code></pre> <p><strong>Department Class</strong></p> <pre><code>@XmlRootElement public class Department implements java.io.Serializable { private String deptNo; private String deptName; public Department() { } public Department(String deptNo, String deptName) { this.deptNo = deptNo; this.deptName = deptName; } public String getDeptNo() { return this.deptNo; } public void setDeptNo(String deptNo) { this.deptNo = deptNo; } public String getDeptName() { return this.deptName; } public void setDeptName(String deptName) { this.deptName = deptName; } } </code></pre> <p>When I make a call to getDepartments method in the rest web service class it returns following exceptions. But If I change the type <strong>Object</strong> of the <strong>payload</strong> to <strong>Department</strong> in the Response class it returns the json response correctly. But since I need to use this Response class for different types of Classes I can't restring the payload to one class type. Can anyone please help me in this matter?</p> <p><strong>Stack Trace</strong> </p> <pre><code>Dec 27, 2012 9:34:18 PM com.sun.jersey.spi.container.ContainerResponse logException SEVERE: Mapped exception to response: 500 (Internal Server Error) javax.ws.rs.WebApplicationException: javax.xml.bind.MarshalException - with linked exception: [javax.xml.bind.JAXBException: class Department nor any of its super class is known to this context.] at com.sun.jersey.core.provider.jaxb.AbstractRootElementProvider.writeTo(AbstractRootElementProvider.java:159) at com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:306) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1437) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) Caused by: javax.xml.bind.MarshalException - with linked exception: [javax.xml.bind.JAXBException: class Department nor any of its super class is known to this context.] at com.sun.xml.bind.v2.runtime.MarshallerImpl.write(MarshallerImpl.java:323) at com.sun.xml.bind.v2.runtime.MarshallerImpl.marshal(MarshallerImpl.java:177) at com.sun.jersey.json.impl.BaseJSONMarshaller.marshallToJSON(BaseJSONMarshaller.java:103) at com.sun.jersey.json.impl.provider.entity.JSONRootElementProvider.writeTo(JSONRootElementProvider.java:136) at com.sun.jersey.core.provider.jaxb.AbstractRootElementProvider.writeTo(AbstractRootElementProvider.java:157) ... 23 more Caused by: javax.xml.bind.JAXBException: class Department nor any of its super class is known to this context. at com.sun.xml.bind.v2.runtime.XMLSerializer.reportError(XMLSerializer.java:250) at com.sun.xml.bind.v2.runtime.XMLSerializer.reportError(XMLSerializer.java:265) at com.sun.xml.bind.v2.runtime.XMLSerializer.childAsXsiType(XMLSerializer.java:657) at com.sun.xml.bind.v2.runtime.property.SingleElementNodeProperty.serializeBody(SingleElementNodeProperty.java:156) at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(ClassBeanInfoImpl.java:344) at com.sun.xml.bind.v2.runtime.XMLSerializer.childAsSoleContent(XMLSerializer.java:597) at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.serializeRoot(ClassBeanInfoImpl.java:328) at com.sun.xml.bind.v2.runtime.XMLSerializer.childAsRoot(XMLSerializer.java:498) at com.sun.xml.bind.v2.runtime.MarshallerImpl.write(MarshallerImpl.java:320) ... 27 more Caused by: javax.xml.bind.JAXBException: class Department nor any of its super class is known to this context. at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getBeanInfo(JAXBContextImpl.java:611) at com.sun.xml.bind.v2.runtime.XMLSerializer.childAsXsiType(XMLSerializer.java:652) ... 33 more </code></pre>
 

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