diff --git a/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerBidiReactorBase.h b/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerBidiReactorBase.h
index 0af2f8ad7..dadfed526 100644
--- a/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerBidiReactorBase.h
+++ b/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerBidiReactorBase.h
@@ -1,112 +1,118 @@
 #pragma once
 
 #include <grpcpp/grpcpp.h>
 
 #include <iostream>
 #include <memory>
 #include <string>
 
 namespace comm {
 namespace network {
 namespace reactor {
 
 struct ServerBidiReactorStatus {
   grpc::Status status;
   bool sendLastResponse;
   ServerBidiReactorStatus(
       grpc::Status status = grpc::Status::OK,
       bool sendLastResponse = false)
       : status(status), sendLastResponse(sendLastResponse) {
   }
 };
 
 template <class Request, class Response>
 class ServerBidiReactorBase
     : public grpc::ServerBidiReactor<Request, Response> {
   Request request;
   Response response;
 
 protected:
   ServerBidiReactorStatus status;
   bool readingAborted = false;
 
 public:
   ServerBidiReactorBase();
 
   void OnDone() override;
   void OnReadDone(bool ok) override;
   void OnWriteDone(bool ok) override;
 
   void terminate(ServerBidiReactorStatus status);
 
   virtual std::unique_ptr<ServerBidiReactorStatus>
   handleRequest(Request request, Response *response) = 0;
   virtual void initialize(){};
+  virtual void validate(){};
   virtual void doneCallback(){};
   virtual void terminateCallback(){};
 };
 
 template <class Request, class Response>
 ServerBidiReactorBase<Request, Response>::ServerBidiReactorBase() {
   this->initialize();
   this->StartRead(&this->request);
 }
 
 template <class Request, class Response>
 void ServerBidiReactorBase<Request, Response>::OnDone() {
   this->doneCallback();
   delete this;
 }
 
 template <class Request, class Response>
 void ServerBidiReactorBase<Request, Response>::terminate(
     ServerBidiReactorStatus status) {
-  this->terminateCallback();
   this->status = status;
-  if (!this->status.status.ok()) {
-    std::cout << "error: " << this->status.status.error_message() << std::endl;
+  this->terminateCallback();
+  try {
+    this->validate();
+  } catch (std::runtime_error &e) {
+    this->status = ServerBidiReactorStatus(
+        grpc::Status(grpc::StatusCode::INTERNAL, e.what()));
   }
   if (this->status.sendLastResponse) {
     this->StartWriteAndFinish(
         &this->response, grpc::WriteOptions(), this->status.status);
   } else {
     this->Finish(this->status.status);
   }
 }
 
 template <class Request, class Response>
 void ServerBidiReactorBase<Request, Response>::OnReadDone(bool ok) {
   if (!ok) {
     this->readingAborted = true;
-    this->terminate(ServerBidiReactorStatus(
-        grpc::Status(grpc::StatusCode::ABORTED, "no more reads")));
+    // Ending a connection on the other side results in the `ok` flag being set
+    // to false. It makes it impossible to detect a failure based just on the
+    // flag. We should manually check if the data we received is valid
+    this->terminate(ServerBidiReactorStatus(grpc::Status::OK));
     return;
   }
   try {
     this->response = Response();
     std::unique_ptr<ServerBidiReactorStatus> status =
         this->handleRequest(this->request, &this->response);
     if (status != nullptr) {
       this->terminate(*status);
       return;
     }
     this->StartWrite(&this->response);
   } catch (std::runtime_error &e) {
     this->terminate(ServerBidiReactorStatus(
         grpc::Status(grpc::StatusCode::INTERNAL, e.what())));
   }
 }
 
 template <class Request, class Response>
 void ServerBidiReactorBase<Request, Response>::OnWriteDone(bool ok) {
   if (!ok) {
     this->terminate(ServerBidiReactorStatus(
         grpc::Status(grpc::StatusCode::ABORTED, "write failed")));
     return;
   }
   this->StartRead(&this->request);
 }
 
 } // namespace reactor
 } // namespace network
 } // namespace comm
diff --git a/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerReadReactorBase.h b/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerReadReactorBase.h
index c1992ac8d..eeabe5eb5 100644
--- a/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerReadReactorBase.h
+++ b/services/backup/docker-server/contents/server/src/Reactors/server/base-reactors/ServerReadReactorBase.h
@@ -1,80 +1,89 @@
 #pragma once
 
 #include <grpcpp/grpcpp.h>
 
 #include <iostream>
 #include <memory>
 #include <string>
 
 namespace comm {
 namespace network {
 namespace reactor {
 
 template <class Request, class Response>
 class ServerReadReactorBase : public grpc::ServerReadReactor<Request> {
   Request request;
 
   void terminate(grpc::Status status);
 
 protected:
   Response *response;
   grpc::Status status;
 
 public:
   ServerReadReactorBase(Response *response);
 
   void OnDone() override;
   void OnReadDone(bool ok) override;
 
   virtual std::unique_ptr<grpc::Status> readRequest(Request request) = 0;
   virtual void initialize(){};
+  virtual void validate(){};
   virtual void doneCallback(){};
   virtual void terminateCallback(){};
 };
 
 template <class Request, class Response>
 void ServerReadReactorBase<Request, Response>::terminate(grpc::Status status) {
+  this->status = status;
   this->terminateCallback();
+  try {
+    this->validate();
+  } catch (std::runtime_error &e) {
+    this->status = grpc::Status(grpc::StatusCode::INTERNAL, e.what());
+  }
   if (!this->status.ok()) {
     std::cout << "error: " << this->status.error_message() << std::endl;
   }
-  this->status = status;
   this->Finish(status);
 }
 
 template <class Request, class Response>
 ServerReadReactorBase<Request, Response>::ServerReadReactorBase(
     Response *response)
     : response(response) {
   this->initialize();
   this->StartRead(&this->request);
 }
 
 template <class Request, class Response>
 void ServerReadReactorBase<Request, Response>::OnDone() {
   this->doneCallback();
   delete this;
 }
 
 template <class Request, class Response>
 void ServerReadReactorBase<Request, Response>::OnReadDone(bool ok) {
   if (!ok) {
-    this->terminate(grpc::Status(grpc::StatusCode::INTERNAL, "reading error"));
+    // Ending a connection on the other side results in the `ok` flag being set
+    // to false. It makes it impossible to detect a failure based just on the
+    // flag. We should manually check if the data we received is valid
+    this->terminate(grpc::Status::OK);
     return;
   }
   try {
     std::unique_ptr<grpc::Status> status = this->readRequest(this->request);
     if (status != nullptr) {
       this->terminate(*status);
       return;
     }
   } catch (std::runtime_error &e) {
     this->terminate(grpc::Status(grpc::StatusCode::INTERNAL, e.what()));
     return;
   }
   this->StartRead(&this->request);
 }
 
 } // namespace reactor
 } // namespace network
 } // namespace comm
diff --git a/services/blob/src/Reactors/server/base-reactors/ServerBidiReactorBase.h b/services/blob/src/Reactors/server/base-reactors/ServerBidiReactorBase.h
index 0cca2a6d9..dadfed526 100644
--- a/services/blob/src/Reactors/server/base-reactors/ServerBidiReactorBase.h
+++ b/services/blob/src/Reactors/server/base-reactors/ServerBidiReactorBase.h
@@ -1,112 +1,118 @@
 #pragma once
 
 #include <grpcpp/grpcpp.h>
 
 #include <iostream>
 #include <memory>
 #include <string>
 
 namespace comm {
 namespace network {
 namespace reactor {
 
 struct ServerBidiReactorStatus {
-  grpc::Status status = grpc::Status::OK;
-  bool sendLastResponse = false;
+  grpc::Status status;
+  bool sendLastResponse;
   ServerBidiReactorStatus(
       grpc::Status status = grpc::Status::OK,
       bool sendLastResponse = false)
       : status(status), sendLastResponse(sendLastResponse) {
   }
 };
 
 template <class Request, class Response>
 class ServerBidiReactorBase
     : public grpc::ServerBidiReactor<Request, Response> {
   Request request;
   Response response;
 
 protected:
   ServerBidiReactorStatus status;
   bool readingAborted = false;
 
 public:
   ServerBidiReactorBase();
 
   void OnDone() override;
   void OnReadDone(bool ok) override;
   void OnWriteDone(bool ok) override;
 
   void terminate(ServerBidiReactorStatus status);
 
   virtual std::unique_ptr<ServerBidiReactorStatus>
   handleRequest(Request request, Response *response) = 0;
   virtual void initialize(){};
+  virtual void validate(){};
   virtual void doneCallback(){};
   virtual void terminateCallback(){};
 };
 
 template <class Request, class Response>
 ServerBidiReactorBase<Request, Response>::ServerBidiReactorBase() {
   this->initialize();
   this->StartRead(&this->request);
 }
 
 template <class Request, class Response>
 void ServerBidiReactorBase<Request, Response>::OnDone() {
   this->doneCallback();
   delete this;
 }
 
 template <class Request, class Response>
 void ServerBidiReactorBase<Request, Response>::terminate(
     ServerBidiReactorStatus status) {
-  this->terminateCallback();
   this->status = status;
-  if (!this->status.status.ok()) {
-    std::cout << "error: " << this->status.status.error_message() << std::endl;
+  this->terminateCallback();
+  try {
+    this->validate();
+  } catch (std::runtime_error &e) {
+    this->status = ServerBidiReactorStatus(
+        grpc::Status(grpc::StatusCode::INTERNAL, e.what()));
   }
   if (this->status.sendLastResponse) {
     this->StartWriteAndFinish(
         &this->response, grpc::WriteOptions(), this->status.status);
   } else {
     this->Finish(this->status.status);
   }
 }
 
 template <class Request, class Response>
 void ServerBidiReactorBase<Request, Response>::OnReadDone(bool ok) {
   if (!ok) {
     this->readingAborted = true;
-    this->terminate(ServerBidiReactorStatus(
-        grpc::Status(grpc::StatusCode::ABORTED, "no more reads")));
+    // Ending a connection on the other side results in the `ok` flag being set
+    // to false. It makes it impossible to detect a failure based just on the
+    // flag. We should manually check if the data we received is valid
+    this->terminate(ServerBidiReactorStatus(grpc::Status::OK));
     return;
   }
   try {
     this->response = Response();
     std::unique_ptr<ServerBidiReactorStatus> status =
         this->handleRequest(this->request, &this->response);
     if (status != nullptr) {
       this->terminate(*status);
       return;
     }
     this->StartWrite(&this->response);
   } catch (std::runtime_error &e) {
     this->terminate(ServerBidiReactorStatus(
         grpc::Status(grpc::StatusCode::INTERNAL, e.what())));
   }
 }
 
 template <class Request, class Response>
 void ServerBidiReactorBase<Request, Response>::OnWriteDone(bool ok) {
   if (!ok) {
     this->terminate(ServerBidiReactorStatus(
         grpc::Status(grpc::StatusCode::ABORTED, "write failed")));
     return;
   }
   this->StartRead(&this->request);
 }
 
 } // namespace reactor
 } // namespace network
 } // namespace comm
diff --git a/services/blob/src/Reactors/server/base-reactors/ServerReadReactorBase.h b/services/blob/src/Reactors/server/base-reactors/ServerReadReactorBase.h
index c1992ac8d..eeabe5eb5 100644
--- a/services/blob/src/Reactors/server/base-reactors/ServerReadReactorBase.h
+++ b/services/blob/src/Reactors/server/base-reactors/ServerReadReactorBase.h
@@ -1,80 +1,89 @@
 #pragma once
 
 #include <grpcpp/grpcpp.h>
 
 #include <iostream>
 #include <memory>
 #include <string>
 
 namespace comm {
 namespace network {
 namespace reactor {
 
 template <class Request, class Response>
 class ServerReadReactorBase : public grpc::ServerReadReactor<Request> {
   Request request;
 
   void terminate(grpc::Status status);
 
 protected:
   Response *response;
   grpc::Status status;
 
 public:
   ServerReadReactorBase(Response *response);
 
   void OnDone() override;
   void OnReadDone(bool ok) override;
 
   virtual std::unique_ptr<grpc::Status> readRequest(Request request) = 0;
   virtual void initialize(){};
+  virtual void validate(){};
   virtual void doneCallback(){};
   virtual void terminateCallback(){};
 };
 
 template <class Request, class Response>
 void ServerReadReactorBase<Request, Response>::terminate(grpc::Status status) {
+  this->status = status;
   this->terminateCallback();
+  try {
+    this->validate();
+  } catch (std::runtime_error &e) {
+    this->status = grpc::Status(grpc::StatusCode::INTERNAL, e.what());
+  }
   if (!this->status.ok()) {
     std::cout << "error: " << this->status.error_message() << std::endl;
   }
-  this->status = status;
   this->Finish(status);
 }
 
 template <class Request, class Response>
 ServerReadReactorBase<Request, Response>::ServerReadReactorBase(
     Response *response)
     : response(response) {
   this->initialize();
   this->StartRead(&this->request);
 }
 
 template <class Request, class Response>
 void ServerReadReactorBase<Request, Response>::OnDone() {
   this->doneCallback();
   delete this;
 }
 
 template <class Request, class Response>
 void ServerReadReactorBase<Request, Response>::OnReadDone(bool ok) {
   if (!ok) {
-    this->terminate(grpc::Status(grpc::StatusCode::INTERNAL, "reading error"));
+    // Ending a connection on the other side results in the `ok` flag being set
+    // to false. It makes it impossible to detect a failure based just on the
+    // flag. We should manually check if the data we received is valid
+    this->terminate(grpc::Status::OK);
     return;
   }
   try {
     std::unique_ptr<grpc::Status> status = this->readRequest(this->request);
     if (status != nullptr) {
       this->terminate(*status);
       return;
     }
   } catch (std::runtime_error &e) {
     this->terminate(grpc::Status(grpc::StatusCode::INTERNAL, e.what()));
     return;
   }
   this->StartRead(&this->request);
 }
 
 } // namespace reactor
 } // namespace network
 } // namespace comm