From 29ce28838474d8b7143584be8c94830cf6e3d78e Mon Sep 17 00:00:00 2001
From: Erlend Hamnaberg <erlend@hamnaberg.net>
Date: Mon, 24 Jun 2024 16:48:16 +0200
Subject: [PATCH] 2.12 fixes

---
 27/src/main/scala/io/circe/jackson/JacksonCompat.scala | 4 +++-
 shared/src/main/scala/io/circe/jackson/package.scala   | 9 +++++----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/27/src/main/scala/io/circe/jackson/JacksonCompat.scala b/27/src/main/scala/io/circe/jackson/JacksonCompat.scala
index 5a19f17..61a3b56 100644
--- a/27/src/main/scala/io/circe/jackson/JacksonCompat.scala
+++ b/27/src/main/scala/io/circe/jackson/JacksonCompat.scala
@@ -29,8 +29,10 @@ private[jackson] trait JacksonCompat {
   protected def handleUnexpectedToken(context: DeserializationContext)(
     klass: Class[_],
     parser: JsonParser
-  ): Unit =
+  ): Unit = {
+    val _ = parser
     throw context.mappingException(klass)
+  }
 
   protected def objectNodeSetAll(node: ObjectNode, fields: java.util.Map[String, JsonNode]): JsonNode =
     node.setAll(fields)
diff --git a/shared/src/main/scala/io/circe/jackson/package.scala b/shared/src/main/scala/io/circe/jackson/package.scala
index 87516f1..f7a470a 100644
--- a/shared/src/main/scala/io/circe/jackson/package.scala
+++ b/shared/src/main/scala/io/circe/jackson/package.scala
@@ -23,6 +23,7 @@ import java.io._
 import java.math.{ BigDecimal => JBigDecimal }
 import java.nio.ByteBuffer
 import scala.jdk.CollectionConverters._
+import scala.collection.compat._
 
 /**
  * Support for Jackson-powered parsing and printing for circe.
@@ -87,8 +88,8 @@ package object jackson extends WithJacksonMapper with JacksonParser with Jackson
             }
         },
     TextNode.valueOf(_),
-    array => JsonNodeFactory.instance.arrayNode.addAll(array.map(circeToJackson).asJava),
-    obj => objectNodeSetAll(JsonNodeFactory.instance.objectNode, obj.toMap.view.mapValues(circeToJackson).toMap.asJava)
+    array => JsonNodeFactory.instance.arrayNode.addAll(array.map(circeToJackson(_)).asJava),
+    obj => objectNodeSetAll(JsonNodeFactory.instance.objectNode, obj.toMap.view.mapValues(circeToJackson(_)).toMap.asJava)
   )
 
   /**
@@ -108,9 +109,9 @@ package object jackson extends WithJacksonMapper with JacksonParser with Jackson
         Json.fromBigInt(node.bigIntegerValue)
       }
     case JsonNodeType.ARRAY =>
-      Json.fromValues(node.elements.asScala.map(jacksonToCirce).iterator.to(Iterable))
+      Json.fromValues(node.elements.asScala.map(jacksonToCirce(_)).to(Iterable))
     case JsonNodeType.OBJECT =>
-      Json.fromFields(node.fields.asScala.map(m => (m.getKey, jacksonToCirce(m.getValue))).iterator.to(Iterable))
+      Json.fromFields(node.fields.asScala.map(m => (m.getKey, jacksonToCirce(m.getValue))).to(Iterable))
     case _ => Json.Null
   }