Merge branch '2.15' into 2.16

Author: cowtowncoder

src/test-jdk14/java/com/fasterxml/jackson/databind/records/RecordFailingSetter3938Test.java

@@ -0,0 +1,42 @@
+package com.fasterxml.jackson.databind.records;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.*;
+
+public class RecordFailingSetter3938Test extends BaseMapTest
+{
+    private final static String ERROR_3938_PREFIX = "Non-null 'options' not allowed for ";
+
+    // [databind#3938]
+    interface NoOptionsCommand {
+        @JsonProperty("options")
+        default void setOptions(JsonNode value) {
+          if (value.isNull()) {
+             return;
+          }
+          throw new IllegalArgumentException(ERROR_3938_PREFIX+getClass().getName());
+        }
+    }
+
+    public record Command3938(int id, String filter) implements NoOptionsCommand { }
+
+    private final ObjectMapper MAPPER = newJsonMapper();
+
+    // [databind#3938]: Should detect and use setters too
+    public void testFailingSetter3939() throws Exception
+    {
+        final ObjectReader R = MAPPER.readerFor(Command3938.class);
+
+        // First, missing value and `null` are fine, as long as we have all fields
+        assertNotNull(R.readValue(a2q("{'id':1, 'filter':'abc'}")));
+        assertNotNull(R.readValue(a2q("{'id':2, 'filter':'abc', 'options':null}")));
+
+        // But then failure for non-empty Array (f.ex)
+        try {
+            R.readValue(a2q("{'id':2,'options':[123]}}"));
+            fail("Should not pass");
+        } catch (DatabindException e) {
+            verifyException(e, ERROR_3938_PREFIX);
+        }
+    }
+}