Fix #2593: improve StackTraceElement deserialization (#4842)

pom.xml

@@ -300,6 +300,10 @@
               -->
             <ignore>java.beans.ConstructorProperties</ignore>
             <ignore>java.beans.Transient</ignore>
+            <!-- 08-Dec-2024, tatu: [databind#2593] need to ignore "StackTraceElement"
+                constructor(s)
+            -->
+            <ignore>java.lang.StackTraceElement</ignore>
           </ignores>
         </configuration>
       </plugin>

release-notes/CREDITS

@@ -1,21 +1,34 @@
 Here are people who have contributed to the development of Jackson JSON processor
 databind core component, version 3.x
-Version numbers in brackets indicate release in which the problem was fixed
+(version numbers in brackets indicate release in which the problem was fixed)
 
 (note: for older credits, see `CREDITS-2.x` instead)
 
-Tatu Saloranta, [email protected]: author
+Author: Tatu Saloranta, [email protected]: author
 
-Alexander Koshman (akoshman@github)
+Co-Authors (with only partial listings below):
+
+* Joo Hyuk Kim (@JooHyukKim)
+* PJ Fanning (@pjfanning)
+* Sim Yih Tsern (@yihtsern)
+
+----------------------------------------------------------------------------
+
+Alexander Koshman (@akoshman)
  * Requested #1600: Serializing locale with underscore, not standard hyphen	
   [3.0.0]
 
-XakepSDK@github
+@XakepSDK
  * Requested #2013: Allow use of `java.nio.file.Path` for `readValue()`, `writeValue()`
   [3.0.0]
  * Requested #2411: `valueToTree()` during serialization (via `SerializerProvider()`)
   [3.0.0]
 
-Sven Döring (sdoeringNew@github)
+Sven Döring (@sdoeringNew)
  * Contributed #2013: Allow use of `java.nio.file.Path` for `readValue()`, `writeValue()`
   [3.0.0]
+
+Michael Dillon (@michaelcdillon)
+#2593: StackTraceElement w/ >= Java 9 doesn't deserialize properly
+ (requested by Michael D)
+

release-notes/VERSION

@@ -50,6 +50,8 @@ Versions: 3.x (for earlier see VERSION-2.x)
  (requested by XakepSDK@github)
 #2539: Add `Deserializers.hasDeserializerFor()` (and something for `DeserializerFactory`)
   to allow detection of explicitly supported types
+#2593: StackTraceElement w/ >= Java 9 doesn't deserialize properly
+ (requested by Michael D)
 #2713: Change wording of `UnrecognizedPropertyException` to refer to "property" not "field"
 #2828: Add `DatabindException` as intermediate subtype of `JsonMappingException`
 #3028: Change `UUIDSerializer` to use `StreamWriteCapability` check instead of

src/main/java/tools/jackson/databind/deser/jdk/StackTraceElementDeserializer.java

@@ -71,12 +71,18 @@ protected StackTraceElement constructValue(DeserializationContext ctxt,
     {
         // 21-May-2016, tatu: With Java 9, could use different constructor, probably
         //   via different module, and throw exception here if extra args passed
-        return new StackTraceElement(className, methodName, fileName, lineNumber);
+        // 08-Dec-2024, tatu: With Jackson 3.0 can use full Java 9 introduced
+        //   constructor, finally
+        return new StackTraceElement(classLoaderName, moduleName, moduleVersion,
+                className, methodName, fileName, lineNumber);
     }
 
     /**
      * Intermediate class used both for convenience of binding and
      * to support {@code PropertyNamingStrategy}.
+     *<p>
+     * NOTE: MUST remain {@code public} for JDK 17 at least to avoid
+     * needing opening up access separately.
      */
     public final static class Adapter {
         // NOTE: some String fields must not be nulls

src/test/java/tools/jackson/databind/exc/ExceptionDeserializationTest.java

@@ -140,12 +140,10 @@ public void testSingleValueArrayDeserialization() throws Exception
     @Test
     public void testExceptionCauseDeserialization() throws Exception
     {
-        ObjectMapper mapper = new ObjectMapper();
-
         final IOException exp = new IOException("the outer exception", new Throwable("the cause"));
 
-        final String value = mapper.writeValueAsString(exp);
-        final IOException act = mapper.readValue(value, IOException.class);
+        final String value = MAPPER.writeValueAsString(exp);
+        final IOException act = MAPPER.readValue(value, IOException.class);
 
         assertNotNull(act.getCause());
         assertEquals(exp.getCause().getMessage(), act.getCause().getMessage());
@@ -155,13 +153,11 @@ public void testExceptionCauseDeserialization() throws Exception
     @Test
     public void testSuppressedGenericThrowableDeserialization() throws Exception
     {
-        ObjectMapper mapper = new ObjectMapper();
-
         final IOException exp = new IOException("the outer exception");
         exp.addSuppressed(new Throwable("the suppressed exception"));
 
-        final String value = mapper.writeValueAsString(exp);
-        final IOException act = mapper.readValue(value, IOException.class);
+        final String value = MAPPER.writeValueAsString(exp);
+        final IOException act = MAPPER.readValue(value, IOException.class);
 
         assertNotNull(act.getSuppressed());
         assertEquals(1, act.getSuppressed().length);

src/test/java/tools/jackson/databind/exc/StackTraceElementTest.java

@@ -5,13 +5,13 @@
 import com.fasterxml.jackson.annotation.*;
 
 import tools.jackson.databind.*;
+import tools.jackson.databind.testutil.DatabindTestUtil;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
-import static tools.jackson.databind.testutil.DatabindTestUtil.jsonMapperBuilder;
-
 // for [databind#1794]
-public class StackTraceElementTest
+public class StackTraceElementTest extends DatabindTestUtil
 {
     public static class ErrorObject {
 
@@ -46,4 +46,16 @@ public void testCustomStackTraceDeser() throws Exception
         ErrorObject result = mapper.readValue(json, ErrorObject.class);
         assertNotNull(result);
     }
+
+    // for [databind#2593]: missing fields (due to JDK 8 compatibility)
+    @Test
+    public void testAllFieldsDeserialized() throws Exception
+    {
+        final ObjectMapper mapper = sharedMapper();
+        StackTraceElement input = new StackTraceElement("classLoaderX", "moduleY", "1.0",
+                "MyClass", "MyMethod", "MyClass.java", 10);
+        String json = mapper.writeValueAsString(input);
+        StackTraceElement output = mapper.readValue(json, StackTraceElement.class);
+        assertEquals(input, output);
+    }
 }