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Thread: com.sun.jersey.api.MessageException

  1. #1
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    Default com.sun.jersey.api.MessageException

    Hello,

    Today i tried to build my first Client REST WEB Serviece (using Jersey), i make very simple example, but some how to get a error every time
    public class Location {
     
    	private int locationId;
    	private String ort;
    	private String PLZ;
    	private String strasse;
    	private String country;
    //Setters und Getters
    }
    package inventory;
     
    import javax.ws.rs.GET;
    import javax.ws.rs.Path;
    import javax.ws.rs.Produces;
     
    import beans.Location;
     
    @Path("/location/plz")
    public class LocationService {
     
    	@GET
    	@Path("/get")
    	@Produces("text/html")
    	public Location getLocationInHTML() {
     
    		Location loc = new Location();
     
    		loc.setCountry("Deutschland");
    		loc.setLocationId(1);
    		loc.setOrt("Berlin");
    		loc.setPLZ("01019");
    		loc.setStrasse("Augustusplatz 13");
     
    		return loc; 
    	} 
    }
    import com.sun.jersey.api.client.Client;
    import com.sun.jersey.api.client.ClientResponse;
    import com.sun.jersey.api.client.WebResource;
     
    public class LocationClientGet {
     
    	// http://localhost:8080/StammDaten/eumonis/location/plz/get
     
    	public static void main(String[] args) {
     
    		try {
     
    			Client client = Client.create();
     
    			WebResource webResource = client.resource("http://localhost:8080/StammDaten/eumonis/location/plz/get");
     
    			ClientResponse response = webResource.accept("text/html").get(ClientResponse.class);
     
    			if (response.getStatus() != 200) {
    			   throw new RuntimeException("Failed : HTTP error code : " + response.getStatus());
    			}
     
    			String output = response.getEntity(String.class);
     
    			System.out.println("Output from Server .... \n");
    			System.out.println(output);
     
    		  } catch (Exception e) {
     
    			e.printStackTrace();
     
    		  }
    	}
     
    }

    HTML Code:
    <?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
      <servlet>
        <servlet-name>Jersey Web Application</servlet-name>
        <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
        <init-param>
          <param-name>com.sun.jersey.config.property.packages</param-name>
          <param-value>inventory;test</param-value>
        </init-param>
        <init-param>
          <param-name>com.sun.jersey.config.property.resourceConfigClass</param-name>
          <param-value>com.sun.jersey.api.core.PackagesResourceConfig</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
      </servlet>
      <servlet-mapping>
        <servlet-name>Jersey Web Application</servlet-name>
        <url-pattern>/eumonis/*</url-pattern>
      </servlet-mapping>
      <session-config>
        <session-timeout>30</session-timeout>
      </session-config>
    </web-app>
    I added every Jar for this Project, but get error:
    HTML Code:
    javax.ws.rs.WebApplicationException: com.sun.jersey.api.MessageException: A message body writer for Java class beans.Location, 
    and Java type class beans.Location, and MIME media type text/html was not found
    what the Problem, and how can i solve it?

  2. #2
    Administrator copeg's Avatar
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    Default Re: com.sun.jersey.api.MessageException

    I guess whenever you post its going to be a given that you've cross-posted without referencing the crosspost.

    This thread has been cross posted here:

    http://www.java-forums.org/advanced-java/80883-com-sun-jersey-api-messageexception.html

    Although cross posting is allowed, for everyone's benefit, please read:

    Java Programming Forums Cross Posting Rules

    The Problems With Cross Posting


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