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POREST webservice don't use my JsonSerializer
 

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    <p>i implement an restful webservice with jersey 2.0 (jax-rs 2.0) and jackson on a glassfish 4 (i also try it in tomcat 8 with the same result). I have an dto with an date propertie, which i want send to the webservice.</p> <p>For serialization and deserialization i have my own (De)Serializer. In junit test i send the bean to the webservice and the webservice send the same bean back.</p> <p>So In the request i see that the date is formated like <code>yyyy-MM-dd'T'HH:mm:ss.SSSZ</code>, but in the response the date is like an unixtimestamp and my Deserializer throws an Exception <code>java.text.ParseException: Unparseable date: "1378980107682"</code></p> <p>Why my Server don't use my (De)Serializer classes?</p> <p>The Request:</p> <pre><code>1 &gt; Content-Type: application/json {"name":"name1","lastname":"lastname2","date":"2013-09-12T13:26:30.752+0200"} </code></pre> <p>The Response:</p> <p><code>2 &lt; X-Powered-By: Servlet/3.1 JSP/2.3 (GlassFish Server Open Source Edition 4.0 Java/Oracle Corporation/1.7) {"name":"name1","lastname":"lastname2","date":1378985190752}</code></p> <p>My bean</p> <pre><code>@XmlRootElement @XmlAccessorType(XmlAccessType.FIELD) @JsonAutoDetect @JsonIgnoreProperties (ignoreUnknown = true) @JsonInclude (Include.NON_NULL) public class User { private String name; private String lastname; private Date date; @JsonSerialize (using = MyDateSerializer.class) public Date getDate() { return date; } @JsonDeserialize (using = MyDateDeserializer.class) public void setDate(Date date) { this.date = date; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getLastname() { return lastname; } public void setLastname(String lastname) { this.lastname = lastname; } } </code></pre> <p>My Serializer</p> <pre><code>public class MyDateSerializer extends JsonSerializer&lt;Date&gt; { SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ"); @Override public void serialize(Date aDate, JsonGenerator aJsonGenerator, SerializerProvider aSerializerProvider) throws IOException, JsonProcessingException { System.out.println("MyDateSerializer.serialize()"); String dateString = dateFormat.format(aDate); System.out.println("dateString [" + dateString + "]"); aJsonGenerator.writeString(dateString); } } </code></pre> <p>My Deserializer</p> <pre><code>public class MyDateDeserializer extends JsonDeserializer&lt;Date&gt; { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ"); @Override public Date deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException { System.out.println("MyDateDeserializer.deserialize()"); String date = jsonParser.getText(); System.out.println("MyDateDeserializer.getText [" + date + "]"); try { return format.parse(date); } catch (ParseException e) { e.printStackTrace(); throw new RuntimeException(e); } } } </code></pre> <p>My Application</p> <pre><code>public class MyRESTExampleApplication extends ResourceConfig { public MyRESTExampleApplication() { packages("com.carano.fleet4all.restExample"); register(JacksonConfigurator.class); register(JacksonFeature.class); } } </code></pre> <p>My web.xml</p> <pre><code>&lt;display-name&gt;restExample&lt;/display-name&gt; &lt;servlet&gt; &lt;display-name&gt;JAX-RS REST Servlet&lt;/display-name&gt; &lt;servlet-name&gt;REST-Servlet&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;javax.ws.rs.Application&lt;/param-name&gt; &lt;param-value&gt;com.carano.fleet4all.restExample.MyRESTExampleApplication&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;REST-Servlet&lt;/servlet-name&gt; &lt;url-pattern&gt;/*&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; </code></pre>
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