Fix

Author: nik9000

server/src/main/java/org/elasticsearch/index/mapper/BlockDocValuesReader.java

@@ -546,7 +546,7 @@ private static class DenseVectorValuesBlockReader extends BlockDocValuesReader {
         @Override
         public BlockLoader.Block read(BlockFactory factory, Docs docs, int offset) throws IOException {
             // Doubles from doc values ensures that the values are in order
-            try (BlockLoader.FloatBuilder builder = factory.denseVectors(docs.count(), dimensions)) {
+            try (BlockLoader.FloatBuilder builder = factory.denseVectors(docs.count() - offset, dimensions)) {
                 for (int i = offset; i < docs.count(); i++) {
                     int doc = docs.get(i);
                     if (doc < iterator.docID()) {
@@ -916,7 +916,7 @@ private static class DenseVectorFromBinary extends BlockDocValuesReader {
 
         @Override
         public BlockLoader.Block read(BlockFactory factory, Docs docs, int offset) throws IOException {
-            try (BlockLoader.FloatBuilder builder = factory.denseVectors(docs.count(), dimensions)) {
+            try (BlockLoader.FloatBuilder builder = factory.denseVectors(docs.count() - offset, dimensions)) {
                 for (int i = offset; i < docs.count(); i++) {
                     int doc = docs.get(i);
                     if (doc < docID) {

x-pack/plugin/mapper-constant-keyword/src/test/java/org/elasticsearch/xpack/constantkeyword/mapper/ConstantKeywordFieldMapperTests.java

@@ -286,7 +286,7 @@ public int count() {
                         public int get(int i) {
                             return 0;
                         }
-                    }, randomInt());
+                    }, 0);
                 assertThat(block.get(0), nullValue());
             }
         }