From 2a2be7476b8d0f7779512f557b5f42308d21082b Mon Sep 17 00:00:00 2001
From: wrongwrong <boranti1995@gmail.com>
Date: Sat, 30 Aug 2025 15:01:01 +0900
Subject: [PATCH 1/3] Remove MissingKotlinParameterException

---
 .../jackson/module/kotlin/Exceptions.kt       | 29 -------------------
 .../MissingKotlinParameterExceptionTest.kt    | 21 --------------
 2 files changed, 50 deletions(-)
 delete mode 100644 src/main/kotlin/com/fasterxml/jackson/module/kotlin/Exceptions.kt
 delete mode 100644 src/test/kotlin/com/fasterxml/jackson/module/kotlin/MissingKotlinParameterExceptionTest.kt

diff --git a/src/main/kotlin/com/fasterxml/jackson/module/kotlin/Exceptions.kt b/src/main/kotlin/com/fasterxml/jackson/module/kotlin/Exceptions.kt
deleted file mode 100644
index cbea3960..00000000
--- a/src/main/kotlin/com/fasterxml/jackson/module/kotlin/Exceptions.kt
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.fasterxml.jackson.module.kotlin
-
-import com.fasterxml.jackson.core.JsonParser
-import com.fasterxml.jackson.databind.JsonMappingException
-import com.fasterxml.jackson.databind.exc.InvalidNullException
-import kotlin.reflect.KParameter
-
-/**
- * Specialized [JsonMappingException] sub-class used to indicate that a mandatory Kotlin constructor
- * parameter was missing or null.
- */
-@Deprecated(
-    "Since 2.20, this exception is no longer thrown and has been replaced by KotlinInvalidNullException. " +
-            "See #617 for details.",
-    ReplaceWith("KotlinInvalidNullException"),
-    DeprecationLevel.ERROR
-)
-// When deserialized by the JDK, the parameter property will be null, ignoring nullability.
-// This is a temporary workaround for #572 and we will eventually remove this class.
-class MissingKotlinParameterException(
-    @property:Deprecated(
-        "KParameter is not serializable and will be removed in 2.20 or later. See #572 for details.",
-        level = DeprecationLevel.WARNING
-    )
-    @Transient
-    val parameter: KParameter,
-    processor: JsonParser? = null,
-    msg: String
-) : InvalidNullException(processor, msg, null)
diff --git a/src/test/kotlin/com/fasterxml/jackson/module/kotlin/MissingKotlinParameterExceptionTest.kt b/src/test/kotlin/com/fasterxml/jackson/module/kotlin/MissingKotlinParameterExceptionTest.kt
deleted file mode 100644
index af3eacfc..00000000
--- a/src/test/kotlin/com/fasterxml/jackson/module/kotlin/MissingKotlinParameterExceptionTest.kt
+++ /dev/null
@@ -1,21 +0,0 @@
-package com.fasterxml.jackson.module.kotlin
-
-import org.junit.jupiter.api.Test
-import kotlin.test.assertNotNull
-import kotlin.test.assertNull
-
-class MissingKotlinParameterExceptionTest {
-    @Suppress("DEPRECATION_ERROR")
-    @Test
-    fun jdkSerializabilityTest() {
-        val param = ::MissingKotlinParameterException.parameters.first()
-        val ex = MissingKotlinParameterException(param, null, "test")
-
-        val serialized = jdkSerialize(ex)
-        val deserialized = jdkDeserialize<MissingKotlinParameterException>(serialized)
-
-        assertNotNull(deserialized)
-        // see comment at MissingKotlinParameterException
-        assertNull(deserialized.parameter)
-    }
-}

From f120a67603ac4f536d5386dbeb889c87fe0e2c9c Mon Sep 17 00:00:00 2001
From: wrongwrong <boranti1995@gmail.com>
Date: Sat, 30 Aug 2025 15:56:22 +0900
Subject: [PATCH 2/3] Update cmp config

---
 pom.xml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pom.xml b/pom.xml
index 28c15884..7001baf4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -252,6 +252,7 @@
                         <excludes>
                             <!-- public -->
                             <!-- removed -->
+                            <exclude>com.fasterxml.jackson.module.kotlin.MissingKotlinParameterException</exclude>
                             <!-- internal -->
                         </excludes>
                     </parameter>

From c464c252519e7b6d8adb48d760f67ce67ce1f307 Mon Sep 17 00:00:00 2001
From: wrongwrong <boranti1995@gmail.com>
Date: Sat, 30 Aug 2025 15:59:14 +0900
Subject: [PATCH 3/3] Update release notes wrt #1041

---
 release-notes/CREDITS-2.x | 1 +
 release-notes/VERSION-2.x | 1 +
 2 files changed, 2 insertions(+)

diff --git a/release-notes/CREDITS-2.x b/release-notes/CREDITS-2.x
index 6ca59364..18e27f04 100644
--- a/release-notes/CREDITS-2.x
+++ b/release-notes/CREDITS-2.x
@@ -18,6 +18,7 @@ Contributors:
 # 2.21.0 (not yet released)
 
 WrongWrong (@k163377)
+* #1041: Remove MissingKotlinParameterException
 * #1039: Update settings for 2.20
 
 # 2.20.0 (28-Aug-2025)
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index ee3718fe..eaa01fe7 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -18,6 +18,7 @@ Co-maintainers:
 
 2.21.0 (not yet released)
 
+#1041: The deprecated MissingKotlinParameterException has been removed.
 #1039: Kotlin has been upgraded to 2.1.x.
 
 2.20.0 (28-Aug-2025)