Fix incorrect references to 'zero_terms_docs' in query parsing error messages. (#29599)

Author: jtibshirani

server/src/main/java/org/elasticsearch/index/query/MatchQueryBuilder.java

@@ -507,14 +507,14 @@ public static MatchQueryBuilder fromXContent(XContentParser parser) throws IOExc
                         } else if (CUTOFF_FREQUENCY_FIELD.match(currentFieldName, parser.getDeprecationHandler())) {
                             cutOffFrequency = parser.floatValue();
                         } else if (ZERO_TERMS_QUERY_FIELD.match(currentFieldName, parser.getDeprecationHandler())) {
-                            String zeroTermsDocs = parser.text();
-                            if ("none".equalsIgnoreCase(zeroTermsDocs)) {
+                            String zeroTermsValue = parser.text();
+                            if ("none".equalsIgnoreCase(zeroTermsValue)) {
                                 zeroTermsQuery = MatchQuery.ZeroTermsQuery.NONE;
-                            } else if ("all".equalsIgnoreCase(zeroTermsDocs)) {
+                            } else if ("all".equalsIgnoreCase(zeroTermsValue)) {
                                 zeroTermsQuery = MatchQuery.ZeroTermsQuery.ALL;
                             } else {
                                 throw new ParsingException(parser.getTokenLocation(),
-                                        "Unsupported zero_terms_docs value [" + zeroTermsDocs + "]");
+                                        "Unsupported zero_terms_query value [" + zeroTermsValue + "]");
                             }
                         } else if (AbstractQueryBuilder.NAME_FIELD.match(currentFieldName, parser.getDeprecationHandler())) {
                             queryName = parser.text();

server/src/main/java/org/elasticsearch/index/query/MultiMatchQueryBuilder.java

@@ -684,13 +684,14 @@ public static MultiMatchQueryBuilder fromXContent(XContentParser parser) throws
                 } else if (LENIENT_FIELD.match(currentFieldName, parser.getDeprecationHandler())) {
                     lenient = parser.booleanValue();
                 } else if (ZERO_TERMS_QUERY_FIELD.match(currentFieldName, parser.getDeprecationHandler())) {
-                    String zeroTermsDocs = parser.text();
-                    if ("none".equalsIgnoreCase(zeroTermsDocs)) {
+                    String zeroTermsValue = parser.text();
+                    if ("none".equalsIgnoreCase(zeroTermsValue)) {
                         zeroTermsQuery = MatchQuery.ZeroTermsQuery.NONE;
-                    } else if ("all".equalsIgnoreCase(zeroTermsDocs)) {
+                    } else if ("all".equalsIgnoreCase(zeroTermsValue)) {
                         zeroTermsQuery = MatchQuery.ZeroTermsQuery.ALL;
                     } else {
-                        throw new ParsingException(parser.getTokenLocation(), "Unsupported zero_terms_docs value [" + zeroTermsDocs + "]");
+                        throw new ParsingException(parser.getTokenLocation(),
+                            "Unsupported zero_terms_query value [" + zeroTermsValue + "]");
                     }
                 } else if (AbstractQueryBuilder.NAME_FIELD.match(currentFieldName, parser.getDeprecationHandler())) {
                     queryName = parser.text();