change log and protocol test added

Fred1155 · Fred1155 · commit 1a5df7d83a06 · 2025-08-15T14:34:46.000-07:00
diff --git a/.changes/next-release/bugfix-AWSSDKforJavav2-17f90b1.json b/.changes/next-release/bugfix-AWSSDKforJavav2-17f90b1.json
@@ -0,0 +1,6 @@
+{
+    "type": "bugfix",
+    "category": "AWS SDK for Java v2",
+    "contributor": "",
+    "description": "Updated codegen to add the null check and pass it in instead of throw NPE when serializing enum to string"
+}
diff --git a/test/protocol-tests-core/src/main/resources/software/amazon/awssdk/protocol/suites/cases/json-core-input.json b/test/protocol-tests-core/src/main/resources/software/amazon/awssdk/protocol/suites/cases/json-core-input.json
@@ -640,5 +640,28 @@
         }
       }
     }
+  },
+  {
+    "description": "List of enums with null values are marshalled correctly without NPE",
+    "given": {
+      "input": {
+        "ListOfEnums": [
+          "EnumValue1",
+          null,
+          "EnumValue2"
+        ]
+      }
+    },
+    "when": {
+      "action": "marshall",
+      "operation": "AllTypes"
+    },
+    "then": {
+      "serializedAs": {
+        "body": {
+          "jsonEquals": "{\"ListOfEnums\": [\"EnumValue1\", null, \"EnumValue2\"]}"
+        }
+      }
+    }
   }
 ]

Original file line number	Diff line number	Diff line change
`@@ -640,5 +640,28 @@`
`640`	`640`	`}`
`641`	`641`	`}`
`642`	`642`	`}`
	`643`	`+ },`
	`644`	`+ {`
	`645`	`+ "description": "List of enums with null values are marshalled correctly without NPE",`
	`646`	`+ "given": {`
	`647`	`+ "input": {`
	`648`	`+ "ListOfEnums": [`
	`649`	`+ "EnumValue1",`
	`650`	`+ null,`
	`651`	`+ "EnumValue2"`
	`652`	`+ ]`
	`653`	`+ }`
	`654`	`+ },`
	`655`	`+ "when": {`
	`656`	`+ "action": "marshall",`
	`657`	`+ "operation": "AllTypes"`
	`658`	`+ },`
	`659`	`+ "then": {`
	`660`	`+ "serializedAs": {`
	`661`	`+ "body": {`
	`662`	`+ "jsonEquals": "{\"ListOfEnums\": [\"EnumValue1\", null, \"EnumValue2\"]}"`
	`663`	`+ }`
	`664`	`+ }`
	`665`	`+ }`
`643`	`666`	`}`
`644`	`667`	`]`