diff --git a/hapi-fhir-structures-dstu3/src/test/java/ca/uhn/fhir/rest/server/SearchPostDstu3Test.java b/hapi-fhir-structures-dstu3/src/test/java/ca/uhn/fhir/rest/server/SearchPostDstu3Test.java
new file mode 100644
index 00000000000..dc0e73e2a59
--- /dev/null
+++ b/hapi-fhir-structures-dstu3/src/test/java/ca/uhn/fhir/rest/server/SearchPostDstu3Test.java
@@ -0,0 +1,142 @@
+package ca.uhn.fhir.rest.server;
+
+import static org.junit.Assert.assertEquals;
+
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.http.NameValuePair;
+import org.apache.http.client.entity.UrlEncodedFormEntity;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.apache.http.message.BasicNameValuePair;
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.servlet.ServletHandler;
+import org.eclipse.jetty.servlet.ServletHolder;
+import org.hl7.fhir.dstu3.model.HumanName;
+import org.hl7.fhir.dstu3.model.Patient;
+import org.hl7.fhir.instance.model.api.IBaseResource;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import com.google.common.collect.Lists;
+
+import ca.uhn.fhir.context.FhirContext;
+import ca.uhn.fhir.rest.annotation.OptionalParam;
+import ca.uhn.fhir.rest.annotation.Search;
+import ca.uhn.fhir.rest.annotation.Sort;
+import ca.uhn.fhir.rest.api.SortSpec;
+import ca.uhn.fhir.rest.param.StringAndListParam;
+import ca.uhn.fhir.util.PortUtil;
+import ca.uhn.fhir.util.TestUtil;
+
+public class SearchPostDstu3Test {
+
+	private static CloseableHttpClient ourClient;
+	private static FhirContext ourCtx = FhirContext.forDstu3();
+	private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(SearchPostDstu3Test.class);
+	private static int ourPort;
+	private static Server ourServer;
+	private static String ourLastMethod;
+	private static SortSpec ourLastSortSpec;
+	private static StringAndListParam ourLastName;
+
+	@Before
+	public void before() {
+		ourLastMethod = null;
+		ourLastSortSpec = null;
+		ourLastName = null;
+	}
+
+	/**
+	 * See #411
+	 */
+	@Test
+	public void testSearchWithMixedParams() throws Exception {
+		HttpPost httpPost = new HttpPost("http://localhost:" + ourPort + "/Patient/_search?_format=application/xml");
+		List<NameValuePair> parameters = Lists.newArrayList();
+		parameters.add(new BasicNameValuePair("name", "Smith"));
+		httpPost.setEntity(new UrlEncodedFormEntity(parameters));
+
+		CloseableHttpResponse status = ourClient.execute(httpPost);
+		try {
+			String responseContent = IOUtils.toString(status.getEntity().getContent(), StandardCharsets.UTF_8);
+			ourLog.info(responseContent);
+			assertEquals(200, status.getStatusLine().getStatusCode());
+
+			assertEquals("search", ourLastMethod);
+			assertEquals(null, ourLastSortSpec);
+			assertEquals(1, ourLastName.getValuesAsQueryTokens().size());
+			assertEquals(1, ourLastName.getValuesAsQueryTokens().get(0).getValuesAsQueryTokens().size());
+			assertEquals("Smith", ourLastName.getValuesAsQueryTokens().get(0).getValuesAsQueryTokens().get(0).getValue());
+
+		} finally {
+			IOUtils.closeQuietly(status.getEntity().getContent());
+		}
+
+	}
+
+	@AfterClass
+	public static void afterClassClearContext() throws Exception {
+		ourServer.stop();
+		TestUtil.clearAllStaticFieldsForUnitTest();
+	}
+
+	@BeforeClass
+	public static void beforeClass() throws Exception {
+		ourPort = PortUtil.findFreePort();
+		ourServer = new Server(ourPort);
+
+		DummyPatientResourceProvider patientProvider = new DummyPatientResourceProvider();
+
+		ServletHandler proxyHandler = new ServletHandler();
+		RestfulServer servlet = new RestfulServer(ourCtx);
+		servlet.setPagingProvider(new FifoMemoryPagingProvider(10));
+
+		servlet.setResourceProviders(patientProvider);
+		ServletHolder servletHolder = new ServletHolder(servlet);
+		proxyHandler.addServletWithMapping(servletHolder, "/*");
+		ourServer.setHandler(proxyHandler);
+		ourServer.start();
+
+		PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(5000, TimeUnit.MILLISECONDS);
+		HttpClientBuilder builder = HttpClientBuilder.create();
+		builder.setConnectionManager(connectionManager);
+		ourClient = builder.build();
+
+	}
+
+	public static class DummyPatientResourceProvider implements IResourceProvider {
+
+		@Override
+		public Class<? extends IBaseResource> getResourceType() {
+			return Patient.class;
+		}
+
+		//@formatter:off
+		@SuppressWarnings("rawtypes")
+		@Search()
+		public List search(
+				@Sort SortSpec theSortSpec,
+				@OptionalParam(name=Patient.SP_NAME) StringAndListParam theName
+				) {
+			ourLastMethod = "search";
+			ourLastSortSpec = theSortSpec;
+			ourLastName = theName;
+			ArrayList<Patient> retVal = new ArrayList<Patient>();
+			retVal.add((Patient) new Patient().addName(new HumanName().addFamily("FAMILY")).setId("foo"));
+			return retVal;
+		}
+		//@formatter:on
+
+	}
+
+}