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POStrange ExecutionException when doing POST with JSON
 

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    <p>I have this method:</p> <pre><code>/** * POST */ public static void create(String body) { Logger.info("APPOINTMENT create - json string: %s", body); Appointment appointment = null; try { appointment = new Gson().fromJson(body, Appointment.class); //services are detached, re-take them from db List&lt;Service&gt; refreshedServices = new ArrayList&lt;Service&gt;(); for (final Service ser : appointment.services) { Service service = Service.findById(ser.id); refreshedServices.add(service); } appointment.services = refreshedServices; appointment.save(); appointment.refresh(); Logger.info("services refreshed"); } catch (Exception ex) { Logger .info( "An error has occured when trying to create an APPOINTMENT %s", ex); response.status = Http.StatusCode.INTERNAL_ERROR; renderJSON(new StatusMessage( "An internal error has occured. Please try again later.")); } renderJSON(appointment); } </code></pre> <p>I'm testing it like this:</p> <pre><code>public void createAppointment(final Contact contact, final List&lt;Service&gt; services) throws Exception { Appointment app = new Appointment(); app.userUid = "cristi-uid"; app.name = "app1"; app.contact = contact; String serviceAsJson = "{\"userUid\":\"cristi-uid\",\"name\":\"app1\",\"allDay\":false,\"contact\":{\"id\":"+contact.id+"},\"services\":[{\"id\":\""+services.get(0).getId()+"\"},{\"id\":\""+services.get(1).getId()+"\"}]}"; Response response = POST("/appointment/create", "application/json", serviceAsJson); Logger.info("POST was done"); Appointment appReturned = new Gson().fromJson(response.out.toString(), Appointment.class); Logger.info("appointment create response: %s", response.out.toString()); assertIsOk(response); assertEquals(appReturned.name, app.name); } </code></pre> <p>Well, the issue is that it is throwing this exception:</p> <pre><code>java.lang.RuntimeException: java.util.concurrent.ExecutionException: play.exceptions.JavaExecutionException at play.test.FunctionalTest.makeRequest(FunctionalTest.java:304) at play.test.FunctionalTest.makeRequest(FunctionalTest.java:310) at play.test.FunctionalTest.POST(FunctionalTest.java:152) at play.test.FunctionalTest.POST(FunctionalTest.java:120) at play.test.FunctionalTest.POST(FunctionalTest.java:116) at AppointmentsTest.createAppointment(AppointmentsTest.java:61) </code></pre> <p>and I am unable to find out why.</p> <p>It prints out <code>Logger.info("services refreshed");</code> after that it is throwing the exception...</p> <p>Do you guys see anything wrong with this test POST?</p> <p><strong>UPDATE</strong>: Seems that the issues comes from trying to render the <code>appointment</code> as JSON:</p> <pre><code>Caused by: java.lang.StackOverflowError at java.util.LinkedHashMap$LinkedHashIterator.(LinkedHashMap.java:345) at java.util.LinkedHashMap$LinkedHashIterator.(LinkedHashMap.java:345) at java.util.LinkedHashMap$ValueIterator.(LinkedHashMap.java:387) at java.util.LinkedHashMap$ValueIterator.(LinkedHashMap.java:387) at java.util.LinkedHashMap.newValueIterator(LinkedHashMap.java:397) at java.util.HashMap$Values.iterator(HashMap.java:910) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:192) at com.google.gson.Gson$FutureTypeAdapter.write(Gson.java:879) at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68) at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:96) </code></pre>
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    1. COI have no experience in Play framework, but I hope http://stackoverflow.com/questions/9510762/proper-way-of-writing-functionaltest-in-playframework will help you.
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    2. COThanks but it did not help...
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