diff --git a/src/oatpp/core/async/Processor.cpp b/src/oatpp/core/async/Processor.cpp
index 09463ca3..381e3cd0 100644
--- a/src/oatpp/core/async/Processor.cpp
+++ b/src/oatpp/core/async/Processor.cpp
@@ -43,6 +43,8 @@ void Processor::addWorker(const std::shared_ptr<worker::Worker>& worker) {
       m_timerPopQueues.push_back(utils::FastQueue<CoroutineHandle>());
     break;
 
+    case worker::Worker::Type::PROCESSOR:
+    case worker::Worker::Type::TYPES_COUNT:
     default:
       break;
 
diff --git a/src/oatpp/network/tcp/client/ConnectionProvider.cpp b/src/oatpp/network/tcp/client/ConnectionProvider.cpp
index 7423164a..4199b0b5 100644
--- a/src/oatpp/network/tcp/client/ConnectionProvider.cpp
+++ b/src/oatpp/network/tcp/client/ConnectionProvider.cpp
@@ -91,6 +91,7 @@ provider::ResourceHandle<data::stream::IOStream> ConnectionProvider::get() {
   switch(m_address.family) {
     case Address::IP_4: hints.ai_family = AF_INET; break;
     case Address::IP_6: hints.ai_family = AF_INET6; break;
+    case Address::UNSPEC:
     default:
       hints.ai_family = AF_UNSPEC;
   }
@@ -203,6 +204,7 @@ oatpp::async::CoroutineStarterForResult<const provider::ResourceHandle<data::str
       switch(m_address.family) {
         case Address::IP_4: hints.ai_family = AF_INET; break;
         case Address::IP_6: hints.ai_family = AF_INET6; break;
+        case Address::UNSPEC:
         default:
           hints.ai_family = AF_UNSPEC;
       }
diff --git a/src/oatpp/network/tcp/server/ConnectionProvider.cpp b/src/oatpp/network/tcp/server/ConnectionProvider.cpp
index 8d821244..5c2ac5a2 100644
--- a/src/oatpp/network/tcp/server/ConnectionProvider.cpp
+++ b/src/oatpp/network/tcp/server/ConnectionProvider.cpp
@@ -165,6 +165,7 @@ oatpp::v_io_handle ConnectionProvider::instantiateServer(){
   switch(m_address.family) {
     case Address::IP_4: hints.ai_family = AF_INET; break;
     case Address::IP_6: hints.ai_family = AF_INET6; break;
+    case Address::UNSPEC:
     default:
       hints.ai_family = AF_UNSPEC;
   }
@@ -254,6 +255,7 @@ oatpp::v_io_handle ConnectionProvider::instantiateServer(){
   switch(m_address.family) {
     case Address::IP_4: hints.ai_family = AF_INET; break;
     case Address::IP_6: hints.ai_family = AF_INET6; break;
+    case Address::UNSPEC:
     default:
       hints.ai_family = AF_UNSPEC;
   }
diff --git a/src/oatpp/parser/json/mapping/Deserializer.cpp b/src/oatpp/parser/json/mapping/Deserializer.cpp
index d755a8ef..68fc2314 100644
--- a/src/oatpp/parser/json/mapping/Deserializer.cpp
+++ b/src/oatpp/parser/json/mapping/Deserializer.cpp
@@ -285,6 +285,10 @@ oatpp::Void Deserializer::deserializeEnum(Deserializer* deserializer, parser::Ca
     case data::mapping::type::EnumInterpreterError::CONSTRAINT_NOT_NULL:
       caret.setError("[oatpp::parser::json::mapping::Deserializer::deserializeEnum()]: Error. Enum constraint violated - 'NotNull'.");
       break;
+    case data::mapping::type::EnumInterpreterError::OK:
+    case data::mapping::type::EnumInterpreterError::TYPE_MISMATCH_ENUM:
+    case data::mapping::type::EnumInterpreterError::TYPE_MISMATCH_ENUM_VALUE:
+    case data::mapping::type::EnumInterpreterError::ENTRY_NOT_FOUND:
     default:
       caret.setError("[oatpp::parser::json::mapping::Deserializer::deserializeEnum()]: Error. Can't deserialize Enum.");
   }
diff --git a/src/oatpp/parser/json/mapping/Serializer.cpp b/src/oatpp/parser/json/mapping/Serializer.cpp
index 97589a77..525e2319 100644
--- a/src/oatpp/parser/json/mapping/Serializer.cpp
+++ b/src/oatpp/parser/json/mapping/Serializer.cpp
@@ -130,6 +130,10 @@ void Serializer::serializeEnum(Serializer* serializer,
   switch(e) {
     case data::mapping::type::EnumInterpreterError::CONSTRAINT_NOT_NULL:
       throw std::runtime_error("[oatpp::parser::json::mapping::Serializer::serializeEnum()]: Error. Enum constraint violated - 'NotNull'.");
+    case data::mapping::type::EnumInterpreterError::OK:
+    case data::mapping::type::EnumInterpreterError::TYPE_MISMATCH_ENUM:
+    case data::mapping::type::EnumInterpreterError::TYPE_MISMATCH_ENUM_VALUE:
+    case data::mapping::type::EnumInterpreterError::ENTRY_NOT_FOUND:
     default:
       throw std::runtime_error("[oatpp::parser::json::mapping::Serializer::serializeEnum()]: Error. Can't serialize Enum.");
   }
diff --git a/src/oatpp/web/client/ApiClient.hpp b/src/oatpp/web/client/ApiClient.hpp
index 4abb27bb..1cd00f5c 100644
--- a/src/oatpp/web/client/ApiClient.hpp
+++ b/src/oatpp/web/client/ApiClient.hpp
@@ -391,6 +391,9 @@ struct ApiClient::TypeInterpretation<data::mapping::type::EnumObjectWrapper<T, I
         throw std::runtime_error(
           "[oatpp::web::client::ApiClient::TypeInterpretation::toString()]: Error. Enum constraint violation - NotNull."
         );
+      case data::mapping::type::EnumInterpreterError::TYPE_MISMATCH_ENUM:
+      case data::mapping::type::EnumInterpreterError::TYPE_MISMATCH_ENUM_VALUE:
+      case data::mapping::type::EnumInterpreterError::ENTRY_NOT_FOUND:
       default:
         throw std::runtime_error(
           "[oatpp::web::client::ApiClient::TypeInterpretation::toString()]: Error. Can't interpret Enum."
diff --git a/src/oatpp/web/server/HttpProcessor.cpp b/src/oatpp/web/server/HttpProcessor.cpp
index 94116ab6..1320f942 100644
--- a/src/oatpp/web/server/HttpProcessor.cpp
+++ b/src/oatpp/web/server/HttpProcessor.cpp
@@ -184,6 +184,7 @@ HttpProcessor::ConnectionState HttpProcessor::processNextRequest(ProcessingResou
         response->putHeaderIfNotExists(protocol::http::Header::CONNECTION, protocol::http::Header::Value::CONNECTION_CLOSE);
         break;
 
+      case ConnectionState::DELEGATED:
       default:
         break;
 
@@ -368,6 +369,7 @@ HttpProcessor::Coroutine::Action HttpProcessor::Coroutine::onResponseFormed() {
       m_currentResponse->putHeaderIfNotExists(protocol::http::Header::CONNECTION, protocol::http::Header::Value::CONNECTION_CLOSE);
       break;
 
+    case ConnectionState::DELEGATED:
     default:
       break;
 
@@ -400,6 +402,8 @@ HttpProcessor::Coroutine::Action HttpProcessor::Coroutine::onRequestDone() {
       break;
     }
 
+    case ConnectionState::CLOSING:
+    case ConnectionState::DEAD:
     default:
       break;