Update release notes wrt FasterXML#3177

Author: cowtowncoder

release-notes/CREDITS-2.x

@@ -1351,6 +1351,10 @@ Morten Andersen-Gott (magott@github)
   * Contributed #3174: DOM `Node` serialization omits the default namespace declaration
    (2.13.0)
 
+Klaas Sellschaft (klaasdellschaft@github)
+  * Contributed #3177: Support `suppressed` property when deserializing `Throwable`
+   (2.13.0)
+
 Nick Benoit (nick-benoit14@github)
   * Proposed #3193: Add `MapperFeature.APPLY_DEFAULT_VALUES`, initially for Scala module
    (2.13.0)

release-notes/VERSION-2.x

@@ -49,6 +49,8 @@ Project: jackson-databind
  (contributed by Tarekk Mohamed A)
 #3174: DOM `Node` serialization omits the default namespace declaration
  (contributed by Morten A-G)
+#3177: Support `suppressed` property when deserializing `Throwable`
+ (contributed by Klaas D)
 #3193: Add `MapperFeature.APPLY_DEFAULT_VALUES`, initially for Scala module
  (suggested by Nick B)
 - Fix to avoid problem with `BigDecimalNode`, scale of `Integer.MIN_VALUE` (see

src/main/java/com/fasterxml/jackson/databind/MapperFeature.java

@@ -573,9 +573,9 @@ public enum MapperFeature implements ConfigFeature
 
     /**
      * Feature that determines whether {@link ObjectReader} applies default values
-     * defined in class defintions in cases where the input data omits the relevant values.
+     * defined in class definitions in cases where the input data omits the relevant values.
      *<p>
-     * Not all modules will respect this feature. Initially, only jackson-module-scala
+     * Not all modules will respect this feature. Initially, only {@code jackson-module-scala}
      * will respect this feature but other modules will add support over time.
      *<p>
      * Feature is enabled by default.

src/main/java/com/fasterxml/jackson/databind/deser/std/ThrowableDeserializer.java

@@ -22,9 +22,9 @@ public class ThrowableDeserializer
     protected final static String PROP_NAME_SUPPRESSED = "suppressed";
 
     /*
-    /************************************************************
-    /* Construction
-    /************************************************************
+    /**********************************************************************
+    /* Life-cycle
+    /**********************************************************************
      */
 
     public ThrowableDeserializer(BeanDeserializer baseDeserializer) {
@@ -45,17 +45,16 @@ public JsonDeserializer<Object> unwrappingDeserializer(NameTransformer unwrapper
         if (getClass() != ThrowableDeserializer.class) {
             return this;
         }
-        /* main thing really is to just enforce ignoring of unknown
-         * properties; since there may be multiple unwrapped values
-         * and properties for all may be interleaved...
-         */
+        // main thing really is to just enforce ignoring of unknown
+        // properties; since there may be multiple unwrapped values
+        // and properties for all may be interleaved...
         return new ThrowableDeserializer(this, unwrapper);
     }
 
     /*
-    /************************************************************
+    /**********************************************************************
     /* Overridden methods
-    /************************************************************
+    /**********************************************************************
      */
 
     @Override
@@ -81,7 +80,7 @@ public Object deserializeFromObject(JsonParser p, DeserializationContext ctxt) t
                     "Throwable needs a default constructor, a single-String-arg constructor; or explicit @JsonCreator");
         }
 
-        Object throwable = null;
+        Throwable throwable = null;
         Object[] pending = null;
         Throwable[] suppressed = null;
         int pendingIx = 0;
@@ -107,17 +106,12 @@ public Object deserializeFromObject(JsonParser p, DeserializationContext ctxt) t
             }
 
             // Maybe it's "message"?
-            final boolean isMessage = PROP_NAME_MESSAGE.equals(propName);
-            if (isMessage) {
+            if (PROP_NAME_MESSAGE.equals(propName)) {
                 if (hasStringCreator) {
-                    throwable = _valueInstantiator.createFromString(ctxt, p.getValueAsString());
+                    throwable = (Throwable) _valueInstantiator.createFromString(ctxt, p.getValueAsString());
                     continue;
                 }
-            }
-
-            // Maybe it's "suppressed"?
-            final boolean isSuppressed = PROP_NAME_SUPPRESSED.equals(propName);
-            if (isSuppressed) {
+            } else if (PROP_NAME_SUPPRESSED.equals(propName)) { // or "suppressed"?
                 suppressed = ctxt.readValue(p, Throwable[].class);
                 continue;
             }
@@ -146,9 +140,9 @@ public Object deserializeFromObject(JsonParser p, DeserializationContext ctxt) t
              */
             //throw new XxxException("No 'message' property found: could not deserialize "+_beanType);
             if (hasStringCreator) {
-                throwable = _valueInstantiator.createFromString(ctxt, null);
+                throwable = (Throwable) _valueInstantiator.createFromString(ctxt, null);
             } else {
-                throwable = _valueInstantiator.createUsingDefault(ctxt);
+                throwable = (Throwable) _valueInstantiator.createUsingDefault(ctxt);
             }
         }
 
@@ -161,10 +155,9 @@ public Object deserializeFromObject(JsonParser p, DeserializationContext ctxt) t
         }
 
         // any suppressed exceptions?
-        if (suppressed != null && throwable instanceof Throwable) {
-            Throwable t = (Throwable) throwable;
+        if (suppressed != null) {
             for (Throwable s : suppressed) {
-                t.addSuppressed(s);
+                throwable.addSuppressed(s);
             }
         }
 

src/test/java/com/fasterxml/jackson/failing/KevinFail1410Test.java

@@ -68,7 +68,7 @@ public String toString() {
 
     public void testDupProps() throws Exception
     {
-        ObjectMapper mapper = new ObjectMapper();
+        ObjectMapper mapper = newJsonMapper();
         EnvironmentEvent event = new BackendEvent("foo", "hello", "bar", null);
         String ser = mapper
                 .writerWithDefaultPrettyPrinter()