diff --git a/src/test/java/org/tynamo/resteasy/integration/ResteasyIntegrationTest.java b/src/test/java/org/tynamo/resteasy/integration/ResteasyIntegrationTest.java
index 726a1a6..3c7c145 100644
--- a/src/test/java/org/tynamo/resteasy/integration/ResteasyIntegrationTest.java
+++ b/src/test/java/org/tynamo/resteasy/integration/ResteasyIntegrationTest.java
@@ -1,14 +1,16 @@
 package org.tynamo.resteasy.integration;
 
 import com.gargoylesoftware.htmlunit.html.HtmlPage;
-import javax.ws.rs.client.Client;
-import javax.ws.rs.client.Invocation;
-import javax.ws.rs.client.ClientBuilder;
 import org.testng.Assert;
 import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;
 import org.tynamo.test.AbstractContainerTest;
 
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.Invocation;
+
 public class ResteasyIntegrationTest extends AbstractContainerTest
 {
 
@@ -41,7 +43,15 @@ public void testEchoResource() throws Exception
 		String response = builder.get(String.class);
 		Assert.assertEquals(response, "{\"message\":\"Hellow World!\"}");
 		client.close();
-
 	}
 
+	@Test
+	public void testEchoGenericListOfLongs() throws Exception
+	{
+		Client client = ClientBuilder.newClient();
+		Invocation.Builder builder = client.target(BASEURI + "mycustomresteasyprefix/echo/generic_longs").request();
+		String response = builder.post(Entity.json("[1, 2, 3]"), String.class);
+		Assert.assertEquals(response, "1");
+		client.close();
+	}
 }
diff --git a/src/test/java/org/tynamo/resteasy/ws/ReloadableEchoResource.java b/src/test/java/org/tynamo/resteasy/ws/ReloadableEchoResource.java
index e447533..6828eba 100644
--- a/src/test/java/org/tynamo/resteasy/ws/ReloadableEchoResource.java
+++ b/src/test/java/org/tynamo/resteasy/ws/ReloadableEchoResource.java
@@ -3,11 +3,14 @@
 import com.wordnik.swagger.annotations.Api;
 import com.wordnik.swagger.annotations.ApiOperation;
 
+import javax.ws.rs.Consumes;
 import javax.ws.rs.GET;
+import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.core.Response;
+import java.util.List;
 
 @Api(value = "/echo", description = "the ECHO api")
 @Path("/echo")
@@ -18,4 +21,10 @@ public interface ReloadableEchoResource
 	@Produces("application/json")
 	@ApiOperation("echoes a message")
 	Response echo(@PathParam("message") String message);
+
+	@POST
+	@Path("/generic_longs")
+	@Consumes("application/json")
+	@Produces("application/json")
+	Response genericLongs(List<Long> params);
 }
diff --git a/src/test/java/org/tynamo/resteasy/ws/ReloadableEchoResourceImpl.java b/src/test/java/org/tynamo/resteasy/ws/ReloadableEchoResourceImpl.java
index 3848643..40d02fc 100644
--- a/src/test/java/org/tynamo/resteasy/ws/ReloadableEchoResourceImpl.java
+++ b/src/test/java/org/tynamo/resteasy/ws/ReloadableEchoResourceImpl.java
@@ -3,6 +3,7 @@
 import org.apache.tapestry5.json.JSONObject;
 
 import javax.ws.rs.core.Response;
+import java.util.List;
 
 public class ReloadableEchoResourceImpl implements ReloadableEchoResource
 {
@@ -13,4 +14,11 @@ public Response echo(String message)
 		return Response.status(200).entity(new JSONObject("message", message).toCompactString()).build();
 	}
 
+	@Override
+	public Response genericLongs(List<Long> params)
+	{
+		Long first = params.get(0); // java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Long
+		return Response.ok(first).build();
+	}
+
 }
\ No newline at end of file