diff --git a/src/test/java/org/elasticsearch/count/simple/SimpleCountTests.java b/src/test/java/org/elasticsearch/count/simple/SimpleCountTests.java
index dd4ed24af5a..074d226f4f1 100644
--- a/src/test/java/org/elasticsearch/count/simple/SimpleCountTests.java
+++ b/src/test/java/org/elasticsearch/count/simple/SimpleCountTests.java
@@ -19,6 +19,7 @@
 
 package org.elasticsearch.count.simple;
 
+import org.apache.lucene.util.Constants;
 import org.elasticsearch.action.count.CountResponse;
 import org.elasticsearch.action.index.IndexRequestBuilder;
 import org.elasticsearch.common.xcontent.XContentFactory;
@@ -30,6 +31,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ExecutionException;
 
+import static com.carrotsearch.randomizedtesting.RandomizedTest.systemPropertyAsBoolean;
 import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_NUMBER_OF_REPLICAS;
 import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_NUMBER_OF_SHARDS;
 import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
@@ -142,6 +144,7 @@ public class SimpleCountTests extends ElasticsearchIntegrationTest {
 
     @Test
     public void localDependentDateTests() throws Exception {
+        assumeFalse("Locals are buggy on JDK9EA", Constants.JRE_IS_MINIMUM_JAVA9 && systemPropertyAsBoolean("tests.security.manager", false));
         assertAcked(prepareCreate("test")
                 .addMapping("type1",
                         jsonBuilder().startObject()
diff --git a/src/test/java/org/elasticsearch/index/mapper/date/SimpleDateMappingTests.java b/src/test/java/org/elasticsearch/index/mapper/date/SimpleDateMappingTests.java
index b4ecfeeb220..486debac46e 100644
--- a/src/test/java/org/elasticsearch/index/mapper/date/SimpleDateMappingTests.java
+++ b/src/test/java/org/elasticsearch/index/mapper/date/SimpleDateMappingTests.java
@@ -26,6 +26,7 @@ import org.apache.lucene.index.IndexableField;
 import org.apache.lucene.search.Filter;
 import org.apache.lucene.search.NumericRangeQuery;
 import org.apache.lucene.search.QueryWrapperFilter;
+import org.apache.lucene.util.Constants;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.unit.TimeValue;
 import org.elasticsearch.common.util.LocaleUtils;
@@ -58,6 +59,7 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 
+import static com.carrotsearch.randomizedtesting.RandomizedTest.systemPropertyAsBoolean;
 import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
 import static org.elasticsearch.index.mapper.string.SimpleStringMappingTests.docValuesType;
 import static org.hamcrest.Matchers.equalTo;
@@ -117,6 +119,7 @@ public class SimpleDateMappingTests extends ElasticsearchSingleNodeTest {
     }
     
     public void testLocale() throws IOException {
+        assumeFalse("Locals are buggy on JDK9EA", Constants.JRE_IS_MINIMUM_JAVA9 && systemPropertyAsBoolean("tests.security.manager", false));
         String mapping = XContentFactory.jsonBuilder()
                     .startObject()
                         .startObject("type")
diff --git a/src/test/java/org/elasticsearch/search/simple/SimpleSearchTests.java b/src/test/java/org/elasticsearch/search/simple/SimpleSearchTests.java
index f95a1422786..57964e950b1 100644
--- a/src/test/java/org/elasticsearch/search/simple/SimpleSearchTests.java
+++ b/src/test/java/org/elasticsearch/search/simple/SimpleSearchTests.java
@@ -19,6 +19,7 @@
 
 package org.elasticsearch.search.simple;
 
+import org.apache.lucene.util.Constants;
 import org.elasticsearch.action.index.IndexRequestBuilder;
 import org.elasticsearch.action.search.SearchPhaseExecutionException;
 import org.elasticsearch.action.search.SearchResponse;
@@ -31,6 +32,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ExecutionException;
 
+import static com.carrotsearch.randomizedtesting.RandomizedTest.systemPropertyAsBoolean;
 import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_NUMBER_OF_REPLICAS;
 import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_NUMBER_OF_SHARDS;
 import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
@@ -151,6 +153,7 @@ public class SimpleSearchTests extends ElasticsearchIntegrationTest {
     
     @Test
     public void localeDependentDateTests() throws Exception {
+        assumeFalse("Locals are buggy on JDK9EA", Constants.JRE_IS_MINIMUM_JAVA9 && systemPropertyAsBoolean("tests.security.manager", false));
         assertAcked(prepareCreate("test")
                 .addMapping("type1",
                         jsonBuilder().startObject()