diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/JsonRpcRequest.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/JsonRpcRequest.java
index db7fe13105..06b495624e 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/JsonRpcRequest.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/JsonRpcRequest.java
@@ -16,6 +16,7 @@ package org.hyperledger.besu.ethereum.api.jsonrpc.internal;
 
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.exception.InvalidJsonRpcRequestException;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.JsonRpcParameter;
+import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType;
 
 import java.util.Arrays;
 import java.util.List;
@@ -51,7 +52,8 @@ public class JsonRpcRequest {
     this.method = method;
     this.params = params;
     if (method == null) {
-      throw new InvalidJsonRpcRequestException("Field 'method' is required");
+      throw new InvalidJsonRpcRequestException(
+          "Field 'method' is required", RpcErrorType.INVALID_METHOD_PARAMS);
     }
   }
 
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/DebugAccountRange.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/DebugAccountRange.java
index c891bde56a..fc787031da 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/DebugAccountRange.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/DebugAccountRange.java
@@ -75,7 +75,13 @@ public class DebugAccountRange implements JsonRpcMethod {
       throw new InvalidJsonRpcParameters(
           "Invalid address hash parameter (index 2)", RpcErrorType.INVALID_ADDRESS_HASH_PARAMS, e);
     }
-    final int maxResults = requestContext.getRequiredParameter(3, Integer.TYPE);
+    final int maxResults;
+    try {
+      maxResults = requestContext.getRequiredParameter(3, Integer.TYPE);
+    } catch (Exception e) { // TODO:replace with JsonRpcParameter.JsonRpcParameterException
+      throw new InvalidJsonRpcParameters(
+          "Invalid max results parameter (index 3)", RpcErrorType.INVALID_MAX_RESULTS_PARAMS, e);
+    }
 
     final Optional<Hash> blockHashOptional = hashFromParameter(blockParameterOrBlockHash);
     if (blockHashOptional.isEmpty()) {
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/EthSubmitWork.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/EthSubmitWork.java
index 370643f203..cebb2e7a00 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/EthSubmitWork.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/EthSubmitWork.java
@@ -17,6 +17,7 @@ package org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods;
 import org.hyperledger.besu.datatypes.Hash;
 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.response.JsonRpcErrorResponse;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcResponse;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcSuccessResponse;
@@ -49,12 +50,23 @@ public class EthSubmitWork implements JsonRpcMethod {
   public JsonRpcResponse response(final JsonRpcRequestContext requestContext) {
     final Optional<PoWSolverInputs> solver = miner.getWorkDefinition();
     if (solver.isPresent()) {
-      final PoWSolution solution =
-          new PoWSolution(
-              Bytes.fromHexString(requestContext.getRequiredParameter(0, String.class)).getLong(0),
-              requestContext.getRequiredParameter(2, Hash.class),
-              null,
-              Bytes.fromHexString(requestContext.getRequiredParameter(1, String.class)));
+      long nonce;
+      try {
+        nonce =
+            Bytes.fromHexString(requestContext.getRequiredParameter(0, String.class)).getLong(0);
+      } catch (Exception e) { // TODO:replace with JsonRpcParameter.JsonRpcParameterException
+        throw new InvalidJsonRpcParameters(
+            "Invalid nonce parameter (index 0)", RpcErrorType.INVALID_NONCE_PARAMS, e);
+      }
+      Hash mixHash;
+      try {
+        mixHash = requestContext.getRequiredParameter(2, Hash.class);
+      } catch (Exception e) { // TODO:replace with JsonRpcParameter.JsonRpcParameterException
+        throw new InvalidJsonRpcParameters(
+            "Invalid mix hash parameter (index 2)", RpcErrorType.INVALID_MIX_HASH_PARAMS, e);
+      }
+      Bytes powHash = Bytes.fromHexString(requestContext.getRequiredParameter(1, String.class));
+      final PoWSolution solution = new PoWSolution(nonce, mixHash, null, powHash);
       final boolean result = miner.submitWork(solution);
       return new JsonRpcSuccessResponse(requestContext.getRequest().getId(), result);
     } else {
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java
index 0588121516..369d7a387a 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java
@@ -123,8 +123,15 @@ public abstract class AbstractEngineNewPayload extends ExecutionEngineJsonRpcMet
 
     final Object reqId = requestContext.getRequest().getId();
 
-    Optional<String> maybeParentBeaconBlockRootParam =
-        requestContext.getOptionalParameter(2, String.class);
+    Optional<String> maybeParentBeaconBlockRootParam;
+    try {
+      maybeParentBeaconBlockRootParam = requestContext.getOptionalParameter(2, String.class);
+    } catch (Exception e) { // TODO:replace with JsonRpcParameter.JsonRpcParameterException
+      throw new InvalidJsonRpcRequestException(
+          "Invalid parent beacon block root parameters (index 2)",
+          RpcErrorType.INVALID_PARENT_BEACON_BLOCK_ROOT_PARAMS,
+          e);
+    }
     final Optional<Bytes32> maybeParentBeaconBlockRoot =
         maybeParentBeaconBlockRootParam.map(Bytes32::fromHexString);
 
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3.java
index b946df40bd..0277d6990e 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3.java
@@ -67,7 +67,8 @@ public class EngineNewPayloadV3 extends AbstractEngineNewPayload {
           RpcErrorType.INVALID_PARAMS, "Missing versioned hashes field");
     } else if (maybeBeaconBlockRootParam.isEmpty()) {
       return ValidationResult.invalid(
-          RpcErrorType.INVALID_PARAMS, "Missing parent beacon block root field");
+          RpcErrorType.INVALID_PARENT_BEACON_BLOCK_ROOT_PARAMS,
+          "Missing parent beacon block root field");
     } else {
       return ValidationResult.valid();
     }
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV4.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV4.java
index b87eceed5d..a767c72345 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV4.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV4.java
@@ -67,7 +67,8 @@ public class EngineNewPayloadV4 extends AbstractEngineNewPayload {
           RpcErrorType.INVALID_PARAMS, "Missing versioned hashes field");
     } else if (maybeBeaconBlockRootParam.isEmpty()) {
       return ValidationResult.invalid(
-          RpcErrorType.INVALID_PARAMS, "Missing parent beacon block root field");
+          RpcErrorType.INVALID_PARENT_BEACON_BLOCK_ROOT_PARAMS,
+          "Missing parent beacon block root field");
     } else if (payloadParameter.getDepositRequests() == null) {
       return ValidationResult.invalid(RpcErrorType.INVALID_PARAMS, "Missing deposit field");
     } else {
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinGasPrice.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinGasPrice.java
index c72e5c95c7..59c18b80db 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinGasPrice.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinGasPrice.java
@@ -17,6 +17,7 @@ package org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods.miner;
 import org.hyperledger.besu.datatypes.Wei;
 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.response.JsonRpcError;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcErrorResponse;
@@ -53,7 +54,13 @@ public class MinerSetMinGasPrice implements JsonRpcMethod {
     } catch (final IllegalArgumentException invalidJsonRpcParameters) {
       return new JsonRpcErrorResponse(
           requestContext.getRequest().getId(),
-          new JsonRpcError(RpcErrorType.INVALID_PARAMS, invalidJsonRpcParameters.getMessage()));
+          new JsonRpcError(
+              RpcErrorType.INVALID_MIN_GAS_PRICE_PARAMS, invalidJsonRpcParameters.getMessage()));
+    } catch (Exception e) { // TODO:replace with JsonRpcParameter.JsonRpcParameterException
+      throw new InvalidJsonRpcParameters(
+          "Invalid min gas price parameter (index 0)",
+          RpcErrorType.INVALID_MIN_GAS_PRICE_PARAMS,
+          e);
     }
   }
 }
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFee.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFee.java
index f3dd52f906..9c217b0c23 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFee.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFee.java
@@ -54,7 +54,8 @@ public class MinerSetMinPriorityFee implements JsonRpcMethod {
     } catch (final IllegalArgumentException invalidJsonRpcParameters) {
       return new JsonRpcErrorResponse(
           requestContext.getRequest().getId(),
-          new JsonRpcError(RpcErrorType.INVALID_PARAMS, invalidJsonRpcParameters.getMessage()));
+          new JsonRpcError(
+              RpcErrorType.INVALID_MIN_PRIORITY_FEE_PARAMS, invalidJsonRpcParameters.getMessage()));
     }
   }
 }
diff --git a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinGasPriceTest.java b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinGasPriceTest.java
index a5cb18a2df..fb56b57307 100644
--- a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinGasPriceTest.java
+++ b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinGasPriceTest.java
@@ -48,7 +48,7 @@ public class MinerSetMinGasPriceTest {
         new JsonRpcErrorResponse(
             request.getRequest().getId(),
             new JsonRpcError(
-                RpcErrorType.INVALID_PARAMS,
+                RpcErrorType.INVALID_MIN_GAS_PRICE_PARAMS,
                 "Illegal character '-' found at index 0 in hex binary representation"));
 
     final JsonRpcResponse actual = method.response(request);
diff --git a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFeeTest.java b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFeeTest.java
index cc69c1e7c4..7e564ac425 100644
--- a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFeeTest.java
+++ b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFeeTest.java
@@ -49,7 +49,7 @@ public class MinerSetMinPriorityFeeTest {
         new JsonRpcErrorResponse(
             request.getRequest().getId(),
             new JsonRpcError(
-                RpcErrorType.INVALID_PARAMS,
+                RpcErrorType.INVALID_MIN_PRIORITY_FEE_PARAMS,
                 "Hex value is too large: expected at most 32 bytes but got 33"));
 
     final JsonRpcResponse actual = method.response(request);
@@ -65,7 +65,8 @@ public class MinerSetMinPriorityFeeTest {
         new JsonRpcErrorResponse(
             request.getRequest().getId(),
             new JsonRpcError(
-                RpcErrorType.INVALID_PARAMS, "Missing required json rpc parameter at index 0"));
+                RpcErrorType.INVALID_MIN_PRIORITY_FEE_PARAMS,
+                "Missing required json rpc parameter at index 0"));
     final JsonRpcResponse actual = method.response(request);
     assertThat(actual).usingRecursiveComparison().isEqualTo(expected);
   }
diff --git a/ethereum/stratum/src/main/java/org/hyperledger/besu/ethereum/stratum/Stratum1Protocol.java b/ethereum/stratum/src/main/java/org/hyperledger/besu/ethereum/stratum/Stratum1Protocol.java
index d3408dc4c9..308d15f6f1 100644
--- a/ethereum/stratum/src/main/java/org/hyperledger/besu/ethereum/stratum/Stratum1Protocol.java
+++ b/ethereum/stratum/src/main/java/org/hyperledger/besu/ethereum/stratum/Stratum1Protocol.java
@@ -17,7 +17,9 @@ package org.hyperledger.besu.ethereum.stratum;
 import org.hyperledger.besu.datatypes.Hash;
 import org.hyperledger.besu.ethereum.api.jsonrpc.RpcMethod;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.JsonRpcRequest;
+import org.hyperledger.besu.ethereum.api.jsonrpc.internal.exception.InvalidJsonRpcParameters;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcSuccessResponse;
+import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType;
 import org.hyperledger.besu.ethereum.blockcreation.MiningCoordinator;
 import org.hyperledger.besu.ethereum.blockcreation.PoWMiningCoordinator;
 import org.hyperledger.besu.ethereum.mainnet.DirectAcyclicGraphSeed;
@@ -170,13 +172,23 @@ public class Stratum1Protocol implements StratumProtocol {
 
   private void handleMiningSubmit(final JsonRpcRequest message, final Consumer<String> sender) {
     LOG.debug("Miner submitted solution {}", message);
+    long nonce;
+    try {
+      nonce = Bytes.fromHexString(message.getRequiredParameter(2, String.class)).getLong(0);
+    } catch (Exception e) {
+      throw new InvalidJsonRpcParameters(
+          "Invalid nonce parameter (index 2)", RpcErrorType.INVALID_NONCE_PARAMS, e);
+    }
+    Hash mixHash = null;
+    try {
+      mixHash = Hash.fromHexString(message.getRequiredParameter(4, String.class));
+    } catch (Exception e) { // TODO:replace with JsonRpcParameter.JsonRpcParameterException
+      throw new InvalidJsonRpcParameters(
+          "Invalid mix hash parameter (index 4)", RpcErrorType.INVALID_MIX_HASH_PARAMS, e);
+    }
+    Bytes powHash = Bytes.fromHexString(message.getRequiredParameter(3, String.class));
     boolean result = false;
-    final PoWSolution solution =
-        new PoWSolution(
-            Bytes.fromHexString(message.getRequiredParameter(2, String.class)).getLong(0),
-            Hash.fromHexString(message.getRequiredParameter(4, String.class)),
-            null,
-            Bytes.fromHexString(message.getRequiredParameter(3, String.class)));
+    final PoWSolution solution = new PoWSolution(nonce, mixHash, null, powHash);
     if (currentInput.getPrePowHash().equals(solution.getPowHash())) {
       result = submitCallback.apply(solution);
     }