diff --git a/snapi-compiler/src/test/scala/com/rawlabs/snapi/compiler/tests/regressions/RD10971Test.scala b/snapi-compiler/src/test/scala/com/rawlabs/snapi/compiler/tests/regressions/RD10971Test.scala
new file mode 100644
index 000000000..c03c12c78
--- /dev/null
+++ b/snapi-compiler/src/test/scala/com/rawlabs/snapi/compiler/tests/regressions/RD10971Test.scala
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2024 RAW Labs S.A.
+ *
+ * Use of this software is governed by the Business Source License
+ * included in the file licenses/BSL.txt.
+ *
+ * As of the Change Date specified in that file, in accordance with
+ * the Business Source License, use of this software will be governed
+ * by the Apache License, Version 2.0, included in the file
+ * licenses/APL.txt.
+ */
+
+package com.rawlabs.snapi.compiler.tests.regressions
+import com.rawlabs.snapi.compiler.tests.SnapiTestContext
+
+class RD10971Test extends SnapiTestContext {
+
+  test("Json.Parse(\" \", type int)")(
+    // Jackson returns an internal error.
+    _ should runErrorAs("""Internal error: _parseNumericValue called when parser instance closed
+      | at [Source: (String)" "; line: 1, column: 2]""".stripMargin)
+  )
+
+  test("[Json.Parse(\" \", type int)]")(
+    _ should run // it doesn't fail because it's in a list.
+  )
+
+  test("Json.Parse(\" \", type record(a: int, b: string))")(
+    // unexpected token.
+    _ should runErrorAs("expected { but token null found")
+  )
+
+  test("[Json.Parse(\" \", type record(a: int, b: string))]")(
+    // Same as above, the tryable should be left in the list. The query doesn't fail.
+    _ should run // it doesn't fail because it's in a list.
+  )
+
+  test("Json.Parse(\" \", type list(record(a: int, b: string))) // RD-10971")(
+    // unexpected token.
+    _ should runErrorAs("expected [ but token null found")
+  )
+
+  test("[Json.Parse(\" \", type list(record(a: int, b: string)))] // RD-10971")(
+    _ should run // it doesn't fail because it's in a list.
+  )
+
+}
diff --git a/snapi-compiler/src/test/scala/com/rawlabs/snapi/compiler/tests/regressions/RD14684Test.scala b/snapi-compiler/src/test/scala/com/rawlabs/snapi/compiler/tests/regressions/RD14684Test.scala
new file mode 100644
index 000000000..827b4af28
--- /dev/null
+++ b/snapi-compiler/src/test/scala/com/rawlabs/snapi/compiler/tests/regressions/RD14684Test.scala
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2024 RAW Labs S.A.
+ *
+ * Use of this software is governed by the Business Source License
+ * included in the file licenses/BSL.txt.
+ *
+ * As of the Change Date specified in that file, in accordance with
+ * the Business Source License, use of this software will be governed
+ * by the Apache License, Version 2.0, included in the file
+ * licenses/APL.txt.
+ */
+
+package com.rawlabs.snapi.compiler.tests.regressions
+
+import com.rawlabs.snapi.compiler.tests.SnapiTestContext
+import com.rawlabs.snapi.frontend.snapi.SnapiInterpolator
+
+class RD14684Test extends SnapiTestContext {
+
+  private val missing_field = tempFile("""[
+    |{"name": "Benjamin", "birthYear": 1978},
+    |{"name": "X"},
+    |{"name": "Jane", "birthYear": 200}
+    |]
+  """.stripMargin)
+
+  private val missing_field2 = tempFile("""[
+    |{"name": "Benjamin", "birthYear": 1978},
+    |{"name": "X"},
+    |{"name": "Jane", "birthYear": 200},
+    |{"name": "Tarzan", "birthYear": 201}
+    |]
+  """.stripMargin)
+
+  private val totallyNotRecord = tempFile("""[
+    |{"name": "Benjamin", "birthYear": 1978},
+    |14,
+    |{"name": "Jane", "birthYear": 200}
+    |]
+  """.stripMargin)
+
+  ignore(
+    snapi"""Json.InferAndRead("$missing_field", sampleSize = 1, preferNulls = false)"""
+  ) { it =>
+    // Because we specified a sampleSize of 1, sampling didn't infer a birthyear could miss,
+    // and we also don't make fields nullable, therefore, the expected behavior is that
+    // we fail to build the middle record as a whole.
+    // TODO: RD-14684: the record is indeed parsed as a failed record, but we skip the following one (Jane)
+    it should evaluateTo(
+      """[{name: "Benjamin", birthYear: 1978},
+        |Error.Build("'birthYear': not found"),
+        |{name: "Jane", birthYear: 200}]""".stripMargin
+    )
+  }
+
+  ignore(
+    snapi"""Json.InferAndRead("$missing_field2", sampleSize = 1, preferNulls = false)"""
+  ) { it =>
+    // TODO: RD-14684: the record is indeed parsed as a failed record, but we skip the following one (Jane)
+    // Same as in the test above. That test confirms we're skipping the following record, not the remaining one.
+    it should evaluateTo(
+      """[{name: "Benjamin", birthYear: 1978},
+        |Error.Build("'birthYear': not found"),
+        |{name: "Jane", birthYear: 200},
+        |{name: "Tarzan", birthYear: 201}]""".stripMargin
+    )
+  }
+
+  test(
+    snapi"""Json.InferAndRead("$missing_field", sampleSize = 1, preferNulls = true)"""
+  ) { it =>
+    // because sampling didn't infer a birthyear could miss but we make fields
+    // nullable, we get a null birthYear.
+    it should evaluateTo(
+      """[{name: "Benjamin", birthYear: 1978},
+        |{name: "X", birthYear: null},
+        |{name: "Jane", birthYear: 200}]""".stripMargin
+    )
+  }
+
+  test(
+    snapi"""Json.InferAndRead("$missing_field2", sampleSize = 1, preferNulls = true)"""
+  ) { it =>
+    // because sampling didn't infer a birthyear could miss but we make fields
+    // nullable, we get a null birthYear.
+    it should evaluateTo(
+      """[{name: "Benjamin", birthYear: 1978},
+        |{name: "X", birthYear: null},
+        |{name: "Jane", birthYear: 200},
+        |{name: "Tarzan", birthYear: 201}]""".stripMargin
+    )
+  }
+
+  test(
+    snapi"""Json.InferAndRead("$totallyNotRecord", sampleSize = 1, preferNulls = false)"""
+  ) { it =>
+    // because sampling didn't infer a birthyear could miss and we don't make fields
+    // nullable, we fail to build the middle record. This doesn't fail like in the first
+    // tests likely because the parser doesn't start to read the record, it immediately fails
+    // when it gets an integer in place of the opening brace.
+    it should evaluateTo(
+      """[{name: "Benjamin", birthYear: 1978},
+        |Error.Build("expected { but token VALUE_NUMBER_INT found"),
+        |{name: "Jane", birthYear: 200}]""".stripMargin
+    )
+  }
+
+  test(
+    snapi"""Json.InferAndRead("$totallyNotRecord", sampleSize = 1, preferNulls = true)"""
+  ) { it =>
+    // Same as above. Using preferNulls shouldn't change anything.
+    it should evaluateTo(
+      """[{name: "Benjamin", birthYear: 1978},
+        |Error.Build("expected { but token VALUE_NUMBER_INT found"),
+        |{name: "Jane", birthYear: 200}]""".stripMargin
+    )
+  }
+
+  test(
+    snapi"""Json.Read("$totallyNotRecord", type list(record(name: string, birthYear: int)))"""
+  ) { it =>
+    // Same as above with an explicit type (which means it's tryable/nullable).
+    // The parser doesn't even get to start to parse a record. The whole record is failed.
+    it should evaluateTo(
+      """[{name: "Benjamin", birthYear: 1978},
+        |Error.Build("expected { but token VALUE_NUMBER_INT found"),
+        |{name: "Jane", birthYear: 200}]""".stripMargin
+    )
+  }
+
+  test(
+    snapi"""Json.Read("$totallyNotRecord", type collection(record(name: string, birthYear: int)))"""
+  ) { it =>
+    // Same as above with a collection.
+    it should evaluateTo(
+      """[{name: "Benjamin", birthYear: 1978},
+        |Error.Build("expected { but token VALUE_NUMBER_INT found"),
+        |{name: "Jane", birthYear: 200}]""".stripMargin
+    )
+  }
+
+}
diff --git a/snapi-compiler/src/test/scala/com/rawlabs/snapi/compiler/tests/regressions/RD14685Test.scala b/snapi-compiler/src/test/scala/com/rawlabs/snapi/compiler/tests/regressions/RD14685Test.scala
new file mode 100644
index 000000000..4affe76c7
--- /dev/null
+++ b/snapi-compiler/src/test/scala/com/rawlabs/snapi/compiler/tests/regressions/RD14685Test.scala
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2024 RAW Labs S.A.
+ *
+ * Use of this software is governed by the Business Source License
+ * included in the file licenses/BSL.txt.
+ *
+ * As of the Change Date specified in that file, in accordance with
+ * the Business Source License, use of this software will be governed
+ * by the Apache License, Version 2.0, included in the file
+ * licenses/APL.txt.
+ */
+
+package com.rawlabs.snapi.compiler.tests.regressions
+
+import com.rawlabs.snapi.compiler.tests.SnapiTestContext
+
+class RD14685Test extends SnapiTestContext {
+
+  test("Json.Parse(\"12\", type collection(record(a: int, b: string)))")(
+    _ should runErrorAs("expected [ but token VALUE_NUMBER_INT found")
+  )
+
+  test("Json.Parse(\" \", type collection(record(a: int, b: string)))")(
+    // Same error as above. The collection is OK but when rendering to JSON we get a failure.
+    _ should runErrorAs("expected [ but token null found")
+  )
+
+  ignore("[Json.Parse(\"12\", type collection(record(a: int, b: string)))]")(
+    // the collection is consumed when writing JSON, it fails in the middle.
+    _ should run // TODO if it runs, check the error message in Error.Build
+  )
+
+  ignore("[Json.Parse(\" \", type collection(record(a: int, b: string)))]")(
+    // the collection is consumed when writing JSON, it fails in the middle.
+    _ should run // TODO if it runs, check the error message in Error.Build
+  )
+
+  ignore("[Collection.Count(Json.Parse(\" \", type collection(record(a: int, b: string))))]")(
+    // the collection is consumed when running Count, it leads to a failed int in the list.
+    _ should run // TODO if it runs, check the error message in Error.Build
+  )
+
+  ignore("[Collection.Count(Json.Parse(\"12\", type collection(record(a: int, b: string))))]")(
+    // the collection is consumed when running Count, it leads to a failed int in the list.
+    _ should run // TODO if it runs, check the error message in Error.Build
+  )
+}
diff --git a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/JsonParserNodes.java b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/JsonParserNodes.java
index 70f08eed9..f7b82d756 100644
--- a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/JsonParserNodes.java
+++ b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/JsonParserNodes.java
@@ -609,11 +609,10 @@ protected static TruffleArrayList doParseList(
         @Cached @Cached.Shared("currentToken")
             JsonParserNodes.CurrentTokenJsonParserNode currentToken,
         @Cached @Cached.Shared("nextToken") JsonParserNodes.NextTokenJsonParserNode nextToken) {
-      if (currentToken.execute(thisNode, parser) != JsonToken.START_ARRAY) {
+      JsonToken token = currentToken.execute(thisNode, parser);
+      if (token != JsonToken.START_ARRAY) {
         throw new JsonUnexpectedTokenException(
-            JsonToken.START_ARRAY.asString(),
-            currentToken.execute(thisNode, parser).toString(),
-            thisNode);
+            JsonToken.START_ARRAY.asString(), String.valueOf(token), thisNode);
       }
       nextToken.execute(thisNode, parser);
 
@@ -640,11 +639,10 @@ protected static Object doParse(
             JsonParserNodes.CurrentTokenJsonParserNode currentToken,
         @Cached JsonParserNodes.CurrentFieldJsonParserNode currentField,
         @Cached RecordNodes.AddPropNode addPropNode) {
-      if (currentToken.execute(thisNode, parser) != JsonToken.START_OBJECT) {
+      JsonToken token = currentToken.execute(thisNode, parser);
+      if (token != JsonToken.START_OBJECT) {
         throw new JsonUnexpectedTokenException(
-            JsonToken.START_OBJECT.asString(),
-            currentToken.execute(thisNode, parser).toString(),
-            thisNode);
+            JsonToken.START_OBJECT.asString(), String.valueOf(token), thisNode);
       }
 
       nextToken.execute(thisNode, parser);
diff --git a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/ListParseJsonNode.java b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/ListParseJsonNode.java
index cde870884..c876acac1 100644
--- a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/ListParseJsonNode.java
+++ b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/ListParseJsonNode.java
@@ -101,10 +101,10 @@ public ListParseJsonNode(
   public Object executeGeneric(VirtualFrame frame) {
     Object[] args = frame.getArguments();
     JsonParser parser = (JsonParser) args[0];
-
-    if (currentToken.execute(this, parser) != JsonToken.START_ARRAY) {
+    JsonToken token = currentToken.execute(this, parser);
+    if (token != JsonToken.START_ARRAY) {
       throw new JsonUnexpectedTokenException(
-          JsonToken.START_ARRAY.asString(), currentToken.execute(this, parser).toString(), this);
+          JsonToken.START_ARRAY.asString(), String.valueOf(token), this);
     }
     nextToken.execute(this, parser);
 
diff --git a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/RecordParseJsonNode.java b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/RecordParseJsonNode.java
index 2823cca72..8fde01c1c 100644
--- a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/RecordParseJsonNode.java
+++ b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/RecordParseJsonNode.java
@@ -119,11 +119,10 @@ public Object executeGeneric(VirtualFrame frame) {
     JsonParser parser = (JsonParser) args[0];
     BitSet currentBitSet = new BitSet(this.fieldsSize);
 
-    if (currentTokenNode.execute(this, parser) != JsonToken.START_OBJECT) {
+    JsonToken token = currentTokenNode.execute(this, parser);
+    if (token != JsonToken.START_OBJECT) {
       throw new JsonUnexpectedTokenException(
-          JsonToken.START_OBJECT.asString(),
-          currentTokenNode.execute(this, parser).toString(),
-          this);
+          JsonToken.START_OBJECT.asString(), String.valueOf(token), this);
     }
     nextTokenNode.execute(this, parser);