diff --git a/spring-context/src/test/java/org/springframework/format/datetime/DateFormattingTests.java b/spring-context/src/test/java/org/springframework/format/datetime/DateFormattingTests.java
index 15342c69b6..df7729181f 100644
--- a/spring-context/src/test/java/org/springframework/format/datetime/DateFormattingTests.java
+++ b/spring-context/src/test/java/org/springframework/format/datetime/DateFormattingTests.java
@@ -140,10 +140,14 @@ public class DateFormattingTests {
 					.hasCauseInstanceOf(ParseException.class).getCause()
 						// Unable to parse date time value "99/01/01" using configuration from
 						// @org.springframework.format.annotation.DateTimeFormat(pattern=, style=S-, iso=NONE, fallbackPatterns=[])
+						// We do not check "fallbackPatterns=[]", since the array representation in the toString()
+						// implementation for annotations changed from [] to {} in Java 9. In addition, strings
+						// are enclosed in double quotes beginning with Java 9. Thus, we cannot check directly
+						// for the presence of "style=S-".
 						.hasMessageContainingAll(
 							"Unable to parse date time value \"99/01/01\" using configuration from",
 							"@org.springframework.format.annotation.DateTimeFormat",
-							"style=S-", "iso=NONE", "fallbackPatterns=[]")
+							"style=", "S-", "iso=NONE")
 						.hasCauseInstanceOf(ParseException.class).getCause()
 							.hasMessageStartingWith("Unparseable date: \"99/01/01\"")
 							.hasNoCause();
diff --git a/spring-context/src/test/java/org/springframework/format/datetime/standard/DateTimeFormattingTests.java b/spring-context/src/test/java/org/springframework/format/datetime/standard/DateTimeFormattingTests.java
index 6aa28756f6..23a62770fd 100644
--- a/spring-context/src/test/java/org/springframework/format/datetime/standard/DateTimeFormattingTests.java
+++ b/spring-context/src/test/java/org/springframework/format/datetime/standard/DateTimeFormattingTests.java
@@ -339,10 +339,11 @@ class DateTimeFormattingTests {
 					.hasCauseInstanceOf(DateTimeParseException.class).getCause()
 						// Unable to parse date time value "2009-31-10" using configuration from
 						// @org.springframework.format.annotation.DateTimeFormat(pattern=, style=SS, iso=DATE, fallbackPatterns=[])
+						// We do not check "fallbackPatterns=[]", since the array representation in the toString()
+						// implementation for annotations changed from [] to {} in Java 9.
 						.hasMessageContainingAll(
 							"Unable to parse date time value \"2009-31-10\" using configuration from",
-							"@org.springframework.format.annotation.DateTimeFormat",
-							"iso=DATE", "fallbackPatterns=[]")
+							"@org.springframework.format.annotation.DateTimeFormat", "iso=DATE")
 						.hasCauseInstanceOf(DateTimeParseException.class).getCause()
 							.hasMessageStartingWith("Text '2009-31-10'")
 							.hasCauseInstanceOf(DateTimeException.class).getCause()