diff --git a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/DaoConfig.java b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/DaoConfig.java
index 850db1ceeb4..a5bfbc6fb8f 100644
--- a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/DaoConfig.java
+++ b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/DaoConfig.java
@@ -373,6 +373,11 @@ public class DaoConfig {
 	 * This feature may be enabled on servers where supporting the use of the :missing parameter is
 	 * of higher importance than raw write performance
 	 * </p>
+	 * <p>
+	 *    Note that this setting also has an impact on sorting (i.e. using the
+	 *    <code>_sort</code> parameter on searches): If the server is configured
+	 *    to not index missing field.
+	 * </p>
 	 */
 	public void setIndexMissingFields(IndexEnabledEnum theIndexMissingFields) {
 		Validate.notNull(theIndexMissingFields, "theIndexMissingFields must not be null");
diff --git a/hapi-fhir-jpaserver-uhnfhirtest/src/main/java/ca/uhn/fhirtest/config/TestDstu2Config.java b/hapi-fhir-jpaserver-uhnfhirtest/src/main/java/ca/uhn/fhirtest/config/TestDstu2Config.java
index 095ca6c39fd..0ba5259d270 100644
--- a/hapi-fhir-jpaserver-uhnfhirtest/src/main/java/ca/uhn/fhirtest/config/TestDstu2Config.java
+++ b/hapi-fhir-jpaserver-uhnfhirtest/src/main/java/ca/uhn/fhirtest/config/TestDstu2Config.java
@@ -67,6 +67,7 @@ public class TestDstu2Config extends BaseJavaConfigDstu2 {
 		retVal.getTreatBaseUrlsAsLocal().add("http://fhirtest.uhn.ca/baseDstu2");
 		retVal.getTreatBaseUrlsAsLocal().add("https://fhirtest.uhn.ca/baseDstu2");
 		retVal.setCountSearchResultsUpTo(TestR4Config.COUNT_SEARCH_RESULTS_UP_TO);
+		retVal.setIndexMissingFields(DaoConfig.IndexEnabledEnum.ENABLED);
 		return retVal;
 	}
 
diff --git a/hapi-fhir-jpaserver-uhnfhirtest/src/main/java/ca/uhn/fhirtest/config/TestDstu3Config.java b/hapi-fhir-jpaserver-uhnfhirtest/src/main/java/ca/uhn/fhirtest/config/TestDstu3Config.java
index 1f5dcb028d0..845433ba7bd 100644
--- a/hapi-fhir-jpaserver-uhnfhirtest/src/main/java/ca/uhn/fhirtest/config/TestDstu3Config.java
+++ b/hapi-fhir-jpaserver-uhnfhirtest/src/main/java/ca/uhn/fhirtest/config/TestDstu3Config.java
@@ -56,6 +56,7 @@ public class TestDstu3Config extends BaseJavaConfigDstu3 {
 		retVal.getTreatBaseUrlsAsLocal().add("http://fhirtest.uhn.ca/baseDstu3");
 		retVal.getTreatBaseUrlsAsLocal().add("https://fhirtest.uhn.ca/baseDstu3");
 		retVal.setCountSearchResultsUpTo(TestR4Config.COUNT_SEARCH_RESULTS_UP_TO);
+		retVal.setIndexMissingFields(DaoConfig.IndexEnabledEnum.ENABLED);
 		return retVal;
 	}
 
diff --git a/hapi-fhir-structures-dstu2/src/test/java/ca/uhn/fhir/parser/JsonParserDstu2Test.java b/hapi-fhir-structures-dstu2/src/test/java/ca/uhn/fhir/parser/JsonParserDstu2Test.java
index ba0860169a1..635381f0563 100644
--- a/hapi-fhir-structures-dstu2/src/test/java/ca/uhn/fhir/parser/JsonParserDstu2Test.java
+++ b/hapi-fhir-structures-dstu2/src/test/java/ca/uhn/fhir/parser/JsonParserDstu2Test.java
@@ -74,6 +74,27 @@ public class JsonParserDstu2Test {
 		}
 	}
 
+	@Test
+	public void testParseEmptyString() {
+		try {
+			String tmp = "{\"resourceType\":\"Bundle\",\"entry\":[{\"fullUrl\":\"\",\"resource\":{\"resourceType\":\"Patient\",\"id\":\"patxuzos\"}}]}";
+			ourCtx.getParserOptions().setOverrideResourceIdWithBundleEntryFullUrl(false);
+			ca.uhn.fhir.model.dstu2.resource.Bundle bundle = (ca.uhn.fhir.model.dstu2.resource.Bundle) ourCtx.newJsonParser().parseResource(tmp);
+			assertEquals(1, bundle.getEntry().size());
+			{
+				Patient o1 = (Patient) bundle.getEntry().get(0).getResource();
+				IIdType o1Id = o1.getIdElement();
+				assertFalse(o1Id.hasBaseUrl());
+				assertEquals("Patient", o1Id.getResourceType());
+				assertEquals("patxuzos", o1Id.getIdPart());
+				assertFalse(o1Id.hasVersionIdPart());
+			}
+		} finally {
+			// ensure we cleanup ourCtx so other tests continue to work
+			ourCtx = FhirContext.forDstu2();
+		}
+	}
+
 	@Test
 	public void testOverrideResourceIdWithBundleEntryFullUrlDisabled_ConfiguredOnParser() {
 		try {