diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/AdminModifyPeer.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/AdminModifyPeer.java
index 7ad3c9286b9..988df28c8c7 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/AdminModifyPeer.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/AdminModifyPeer.java
@@ -16,6 +16,7 @@
 
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.JsonRpcRequestContext;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.exception.InvalidJsonRpcParameters;
+import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.JsonRpcParameter;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcErrorResponse;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcResponse;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType;
@@ -45,9 +46,6 @@ public JsonRpcResponse response(final JsonRpcRequestContext requestContext) {
     try {
       final String enodeString = requestContext.getRequiredParameter(0, String.class);
       return performOperation(requestContext.getRequest().getId(), enodeString);
-    } catch (final InvalidJsonRpcParameters e) {
-      return new JsonRpcErrorResponse(
-          requestContext.getRequest().getId(), RpcErrorType.INVALID_PARAMS);
     } catch (final IllegalArgumentException e) {
       if (e.getMessage()
           .endsWith(
@@ -69,6 +67,9 @@ public JsonRpcResponse response(final JsonRpcRequestContext requestContext) {
     } catch (final P2PDisabledException e) {
       return new JsonRpcErrorResponse(
           requestContext.getRequest().getId(), RpcErrorType.P2P_DISABLED);
+    } catch (Exception e) { // TODO:replace with JsonRpcParameter.JsonRpcParameterException
+      return new JsonRpcErrorResponse(
+              requestContext.getRequest().getId(), RpcErrorType.INVALID_ENODE_PARAMS);
     }
   }
 
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/permissioning/PermAddNodesToAllowlist.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/permissioning/PermAddNodesToAllowlist.java
index 9659f5a776e..19d1df7053d 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/permissioning/PermAddNodesToAllowlist.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/permissioning/PermAddNodesToAllowlist.java
@@ -16,7 +16,9 @@
 
 import org.hyperledger.besu.ethereum.api.jsonrpc.RpcMethod;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.JsonRpcRequestContext;
+import org.hyperledger.besu.ethereum.api.jsonrpc.internal.exception.InvalidJsonRpcParameters;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods.JsonRpcMethod;
+import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.JsonRpcParameter;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.StringListParameter;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcErrorResponse;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcResponse;
@@ -46,8 +48,13 @@ public String getName() {
 
   @Override
   public JsonRpcResponse response(final JsonRpcRequestContext requestContext) {
-    final StringListParameter enodeListParam =
-        requestContext.getRequiredParameter(0, StringListParameter.class);
+    final StringListParameter enodeListParam;
+    try {
+      enodeListParam = requestContext.getRequiredParameter(0, StringListParameter.class);
+    } catch (Exception e) { // TODO:replace with JsonRpcParameter.JsonRpcParameterException
+      throw new InvalidJsonRpcParameters(
+              "Invalid enode list parameter (index 0)", RpcErrorType.INVALID_ENODE_PARAMS, e);
+    }
 
     try {
       if (nodeAllowlistPermissioningController.isPresent()) {
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/permissioning/PermRemoveNodesFromAllowlist.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/permissioning/PermRemoveNodesFromAllowlist.java
index 876376fab15..8a6cf91643b 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/permissioning/PermRemoveNodesFromAllowlist.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/permissioning/PermRemoveNodesFromAllowlist.java
@@ -16,7 +16,9 @@
 
 import org.hyperledger.besu.ethereum.api.jsonrpc.RpcMethod;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.JsonRpcRequestContext;
+import org.hyperledger.besu.ethereum.api.jsonrpc.internal.exception.InvalidJsonRpcParameters;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods.JsonRpcMethod;
+import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.JsonRpcParameter;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.StringListParameter;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcErrorResponse;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcResponse;
@@ -46,8 +48,13 @@ public String getName() {
 
   @Override
   public JsonRpcResponse response(final JsonRpcRequestContext requestContext) {
-    final StringListParameter enodeListParam =
-        requestContext.getRequiredParameter(0, StringListParameter.class);
+    final StringListParameter enodeListParam;
+    try {
+      enodeListParam = requestContext.getRequiredParameter(0, StringListParameter.class);
+    } catch (Exception e) { // TODO:replace with JsonRpcParameter.JsonRpcParameterException
+      throw new InvalidJsonRpcParameters(
+              "Invalid enode list parameter (index 0)", RpcErrorType.INVALID_ENODE_PARAMS, e);
+    }
     try {
       if (nodeAllowlistPermissioningController.isPresent()) {
         try {