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POJAX-RS JAXB JSON Response not working ( MessageBodyProviderNotFoundException)
 

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    <p>I had been working for sometime to figure out how to create a JAX Restful Service... using the guide available here - <a href="https://jersey.java.net/documentation/latest/user-guide.html" rel="nofollow">Jersey</a></p> <p>As explained in Section 2.3.2, I had added the below dependency in Maven -</p> <pre><code>&lt;dependency&gt; &lt;groupId&gt;org.glassfish.jersey.containers&lt;/groupId&gt; &lt;artifactId&gt;jersey-container-servlet&lt;/artifactId&gt; &lt;version&gt;2.0&lt;/version&gt; &lt;/dependency&gt; </code></pre> <p>In web.xml</p> <pre><code>&lt;servlet&gt; &lt;servlet-name&gt;Jersey REST Service&lt;/servlet-name&gt; &lt;servlet-class&gt;org.glassfish.jersey.servlet.ServletContainer&lt;/servlet-class&gt; &lt;init-param&gt; &lt;param-name&gt;jersey.config.server.provider.classnames&lt;/param-name&gt; &lt;param-value&gt;org.glassfish.jersey.filter.LoggingFilter&lt;/param-value&gt; &lt;/init-param&gt; &lt;init-param&gt; &lt;param-name&gt;javax.ws.rs.Application&lt;/param-name&gt; &lt;param-value&gt;com.hms.rs.controller.MyApp&lt;/param-value&gt; &lt;/init-param&gt; &lt;load-on-startup&gt;1&lt;/load-on-startup&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;Jersey REST Service&lt;/servlet-name&gt; &lt;url-pattern&gt;/services/*&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; </code></pre> <p>and MyApp.java </p> <pre><code>public class MyApp extends Application{ @Override public Set&lt;Class&lt;?&gt;&gt; getClasses() { return new HashSet&lt;Class&lt;?&gt;&gt;() {{ // Add your resources. System.out.println("From the Myapp..."); add(Patient.class); add(PatientController.class); // Add LoggingFilter. add(LoggingFilter.class); }}; } } </code></pre> <p>Patient.java - </p> <pre><code>@XmlRootElement(name = "Patient") public class Patient { private String patientFName; private String patientLName; private int patientAge; private String patientSex; private String patientParentSpouse; private String patientQual; private String patientOccupation; private String patientComments; public Patient() { } Setters and Getters.... } </code></pre> <p>PatientController.java - </p> <pre><code>@Path("/ManagePatient") public class PatientController { @GET @Path("/getPatient") @Produces(MediaType.APPLICATION_XML) public Patient printPatient() { System.out.println("Hello.... from the PatientController"); Patient ptnt = new Patient(); ptnt.setPatientFName("FirstN"); ptnt.setPatientLName("LName"); ptnt.setPatientAge(30); ptnt.setPatientSex("M"); ptnt.setPatientParentSpouse("ParentSpuse"); ptnt.setPatientQual("engg"); ptnt.setPatientOccupation("software"); ptnt.setPatientComments("comments here"); System.out.println("Patient = " + ptnt); //return ptnt.toString(); return ptnt; } </code></pre> <p>When I try to access this via browser @ localhost:8080/HMS_Web/services/ManagePatient/getPatient</p> <p>I am getting</p> <pre><code>javax.servlet.ServletException: org.glassfish.jersey.message.internal.MessageBodyProviderNotFoundException: MessageBodyWriter not found for media type=text/html, type=class com.hms.app.ui.beans.Patient, genericType=class com.hms.app.ui.beans.Patient. </code></pre> <p>and I also see the below warning in the logs-</p> <pre><code>WARNING: A provider com.hms.app.ui.beans.Patient registered in SERVER runtime does not implement any provider interfaces applicable in the SERVER runtime. Due to constraint configuration problems the provider com.hms.app.ui.beans.Patient will be ignored. </code></pre> <p>If Jersey 2.0 supports JAXB based xml or json support as mentioned @ section "8.1.1.2. JAXB based JSON support" in the Jersey guide, I am not sure why I am receiving the Provider errors. </p> <p>Could any JAX-WS expert help me understand and also provide me direction on how to resolve this situation? </p> <p>Thank you in advance</p>
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