Modify term query error when multiple fields are provided to comply with all other queries

core/src/main/java/org/elasticsearch/index/query/TermQueryBuilder.java

@@ -98,11 +98,7 @@ public class TermQueryBuilder extends BaseTermQueryBuilder<TermQueryBuilder> {
             } else if (parseContext.isDeprecatedSetting(currentFieldName)) {
                 // skip
             } else if (token == XContentParser.Token.START_OBJECT) {
-                // also support a format of "term" : {"field_name" : { ... }}
-                if (fieldName != null) {
-                    throw new ParsingException(parser.getTokenLocation(),
-                            "[term] query does not support different field names, use [bool] query instead");
-                }
+                throwParsingExceptionOnMultipleFields(NAME, parser.getTokenLocation(), fieldName, currentFieldName);
                 fieldName = currentFieldName;
                 while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
                     if (token == XContentParser.Token.FIELD_NAME) {
@@ -123,10 +119,7 @@ public class TermQueryBuilder extends BaseTermQueryBuilder<TermQueryBuilder> {
                     }
                 }
             } else if (token.isValue()) {
-                if (fieldName != null) {
-                    throw new ParsingException(parser.getTokenLocation(),
-                            "[term] query does not support different field names, use [bool] query instead");
-                }
+                throwParsingExceptionOnMultipleFields(NAME, parser.getTokenLocation(), fieldName, parser.currentName());
                 fieldName = currentFieldName;
                 value = parser.objectBytes();
             } else if (token == XContentParser.Token.START_ARRAY) {

core/src/test/java/org/elasticsearch/index/query/TermQueryBuilderTests.java

@@ -154,7 +154,7 @@ public class TermQueryBuilderTests extends AbstractTermQueryTestCase<TermQueryBu
                 "  }\n" +
                 "}";
         ParsingException e = expectThrows(ParsingException.class, () -> parseQuery(json));
-        assertEquals("[term] query does not support different field names, use [bool] query instead", e.getMessage());
+        assertEquals("[term] query doesn't support multiple fields, found [message1] and [message2]", e.getMessage());
 
         String shortJson = "{\n" +
                 "  \"term\" : {\n" +
@@ -163,6 +163,6 @@ public class TermQueryBuilderTests extends AbstractTermQueryTestCase<TermQueryBu
                 "  }\n" +
                 "}";
         e = expectThrows(ParsingException.class, () -> parseQuery(shortJson));
-        assertEquals("[term] query does not support different field names, use [bool] query instead", e.getMessage());
+        assertEquals("[term] query doesn't support multiple fields, found [message1] and [message2]", e.getMessage());
     }
 }