diff --git a/database/mysql/mysql.cpp b/database/mysql/mysql.cpp
index 33f2f75..8449dc5 100644
--- a/database/mysql/mysql.cpp
+++ b/database/mysql/mysql.cpp
@@ -305,6 +305,7 @@ DB::Session DB::MySQL::findSession(const std::string& accessToken) {
 
     Statement session(con, selectSession);
     session.bind(a.data(), MYSQL_TYPE_STRING);
+    session.execute();
 
     std::vector<std::vector<std::any>> result = session.fetchResult();
     if (result.empty())
diff --git a/database/mysql/statement.cpp b/database/mysql/statement.cpp
index edd90bd..f8edd76 100644
--- a/database/mysql/statement.cpp
+++ b/database/mysql/statement.cpp
@@ -94,19 +94,19 @@ std::vector<std::vector<std::any>> DB::MySQL::Statement::fetchResult() {
             } break;
             case MYSQL_TYPE_TINY:
                 line[i] = uint8_t{0};
-                bind[i].buffer = &std::any_cast<std::string&>(line[i]);
+                bind[i].buffer = &std::any_cast<uint8_t&>(line[i]);
                 break;
             case MYSQL_TYPE_SHORT:
                 line[i] = uint16_t{0};
-                bind[i].buffer = &std::any_cast<std::string&>(line[i]);
+                bind[i].buffer = &std::any_cast<uint16_t&>(line[i]);
                 break;
             case MYSQL_TYPE_LONG:
                 line[i] = uint32_t{0};
-                bind[i].buffer = &std::any_cast<std::string&>(line[i]);
+                bind[i].buffer = &std::any_cast<uint32_t&>(line[i]);
                 break;
             case MYSQL_TYPE_LONGLONG:
                 line[i] = uint64_t{0};
-                bind[i].buffer = &std::any_cast<std::string&>(line[i]);
+                bind[i].buffer = &std::any_cast<uint64_t&>(line[i]);
                 break;
             default:
                 throw std::runtime_error("Unsupported data fetching statement result " + std::to_string(field->type));
diff --git a/handler/poll.cpp b/handler/poll.cpp
index 0ffd138..1aa36d3 100644
--- a/handler/poll.cpp
+++ b/handler/poll.cpp
@@ -8,8 +8,8 @@
 #include "request/redirect.h"
 #include "database/exceptions.h"
 
-Handler::Poll::Poll (Server* server):
-    Handler("login", Request::Method::get),
+Handler::Poll::Poll (std::weak_ptr<Server> server):
+    Handler("poll", Request::Method::get),
     server(server)
 {}
 
@@ -20,9 +20,13 @@ void Handler::Poll::handle (Request& request) {
     
     if (access.size() != 32) 
         return error(request, Result::tokenProblem, Response::Status::badRequest);
-      
+
+    std::shared_ptr<Server> srv = server.lock();
+    if (!srv)
+        return error(request, Result::unknownError, Response::Status::internalError);
+
     try {
-        Session& session = server->getSession(access);
+        Session& session = srv->getSession(access);
         throw Redirect(&session);
     } catch (const Redirect& r) {
         throw r;
diff --git a/handler/poll.h b/handler/poll.h
index 580256e..f9c43c8 100644
--- a/handler/poll.h
+++ b/handler/poll.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include <memory>
+
 #include "handler.h"
 #include "request/request.h"
 #include "response/response.h"
@@ -12,7 +14,7 @@ namespace Handler {
 
 class Poll : public Handler {
 public:
-    Poll(Server* server);
+    Poll(std::weak_ptr<Server> server);
     void handle(Request& request) override;
     
     enum class Result {
@@ -25,7 +27,7 @@ public:
   
     static void error(Request& request, Result result, Response::Status status);
 private:
-    Server* server;
+    std::weak_ptr<Server> server;
   
 };
 
diff --git a/request/request.cpp b/request/request.cpp
index 3ee662f..eedbc72 100644
--- a/request/request.cpp
+++ b/request/request.cpp
@@ -188,7 +188,7 @@ std::string Request::getServerName() const {
     return FCGX_GetParam(SERVER_NAME, raw.envp);;
 }
 
-void Request::printEnvironment(std::ostream& out) {
+void Request::printEnvironment(std::ostream& out) const {
     if (!active())
       throw std::runtime_error("An attempt to print environment of a request in a wrong state");
 
@@ -198,7 +198,7 @@ void Request::printEnvironment(std::ostream& out) {
     }
 }
 
-void Request::printEnvironment(nlohmann::json& out) {
+void Request::printEnvironment(nlohmann::json& out) const {
     if (!out.is_object())
         return;
 
diff --git a/request/request.h b/request/request.h
index dae582f..1cef22c 100644
--- a/request/request.h
+++ b/request/request.h
@@ -61,8 +61,8 @@ public:
     std::string getPath() const;
     std::string getServerName() const;
     std::string getAuthorizationToken() const;
-    void printEnvironment(std::ostream& out);
-    void printEnvironment(nlohmann::json& out);
+    void printEnvironment(std::ostream& out) const;
+    void printEnvironment(nlohmann::json& out) const;
 
 private:
     OStream getOutputStream();
diff --git a/server/router.cpp b/server/router.cpp
index d64b875..2079bc6 100644
--- a/server/router.cpp
+++ b/server/router.cpp
@@ -62,19 +62,16 @@ void Router::handleNotFound(std::unique_ptr<Request> request) {
     std::string path = request->getPath();
     notFound.setBody(std::string("Path \"") + path + "\" was not found");
     notFound.send();
-    std::cerr << notFound.statusCode() << '\t' << request->methodName() << '\t' << path << std::endl;
 }
 
 void Router::handleInternalError(const std::exception& exception, std::unique_ptr<Request> request) {
     Response& error = request->createResponse(Response::Status::internalError);
     error.setBody(std::string(exception.what()));
     error.send();
-    std::cerr << error.statusCode() << '\t' << request->methodName() << '\t' << request->getPath() << std::endl;
 }
 
 void Router::handleMethodNotAllowed(std::unique_ptr<Request> request) {
     Response& error = request->createResponse(Response::Status::methodNotAllowed);
     error.setBody(std::string("Method not allowed"));
     error.send();
-    std::cerr << error.statusCode() << '\t' << request->methodName() << '\t' << request->getPath() << std::endl;
 }
diff --git a/server/server.cpp b/server/server.cpp
index bc258ed..01c4cbb 100644
--- a/server/server.cpp
+++ b/server/server.cpp
@@ -11,6 +11,7 @@
 #include "handler/env.h"
 #include "handler/register.h"
 #include "handler/login.h"
+#include "handler/poll.h"
 
 #include "taskmanager/route.h"
 
@@ -20,6 +21,7 @@ constexpr const char* dbPassword = "pica";
 constexpr const char* dbName = "pica";
 constexpr const char* dbPath = "/run/mysqld/mysqld.sock";
 constexpr uint8_t dbConnectionsCount = 4;
+constexpr uint32_t pollTimout = 10000;
 
 constexpr const char* randomChars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
 constexpr uint8_t saltSize = 16;
@@ -64,31 +66,11 @@ void Server::run(int socketDescriptor) {
     router->addRoute(std::make_unique<Handler::Env>());
     router->addRoute(std::make_unique<Handler::Register>(shared_from_this()));
     router->addRoute(std::make_unique<Handler::Login>(shared_from_this()));
+    router->addRoute(std::make_unique<Handler::Poll>(shared_from_this()));
 
     taskManager->start();
     scheduler->start();
 
-    scheduler->schedule([]() {
-        std::cout << "5000" << std::endl;
-    }, TM::Scheduler::Delay(5000));
-    scheduler->schedule([]() {
-        std::cout << "2000" << std::endl;
-    }, TM::Scheduler::Delay(2000));
-    scheduler->schedule([]() {
-        std::cout << "6000" << std::endl;
-    }, TM::Scheduler::Delay(6000));
-
-    std::this_thread::sleep_for(std::chrono::milliseconds(500));
-
-    scheduler->schedule([]() {
-        std::cout << "2000 + 500" << std::endl;
-    }, TM::Scheduler::Delay(2000));
-    std::this_thread::sleep_for(std::chrono::milliseconds(100));
-
-    scheduler->schedule([]() {
-        std::cout << "1000 + 600" << std::endl;
-    }, TM::Scheduler::Delay(1000));
-
     while (!terminating) {
         std::unique_ptr<Request> request = std::make_unique<Request>();
         bool result = request->wait(socketDescriptor);
@@ -192,7 +174,8 @@ Session& Server::openSession(const std::string& login) {
     if (sessionId == 0)
         throw std::runtime_error("Couldn't create session, ran out of attempts");
 
-    std::unique_ptr<Session>& session = sessions[accessToken] = std::make_unique<Session>(scheduler, sessionId, accessToken, renewToken);
+    std::unique_ptr<Session>& session = sessions[accessToken]
+        = std::make_unique<Session>(scheduler, sessionId, accessToken, renewToken, pollTimout);
     return *session.get();
 }
 
@@ -207,7 +190,8 @@ Session& Server::getSession (const std::string& accessToken) {
         scheduler,
         s.id,
         s.accessToken,
-        s.renewToken
+        s.renewToken,
+        pollTimout
     );
     return *session.get();
 }
diff --git a/server/session.cpp b/server/session.cpp
index 6a1aeda..fe77381 100644
--- a/server/session.cpp
+++ b/server/session.cpp
@@ -9,14 +9,16 @@ Session::Session(
     std::weak_ptr<TM::Scheduler> scheduler,
     unsigned int id,
     const std::string& access,
-    const std::string& renew
+    const std::string& renew,
+    unsigned int timeout
 ):
     scheduler(scheduler),
     id(id),
     access(access),
     renew(renew),
     polling(nullptr),
-    timeoutId(TM::Scheduler::none)
+    timeoutId(TM::Scheduler::none),
+    timeout(timeout)
 {}
 
 Session::~Session () {
@@ -37,14 +39,14 @@ std::string Session::getRenewToken() const {
 void Session::accept(std::unique_ptr<Request> request) {
     std::shared_ptr<TM::Scheduler> sch = scheduler.lock();
     if (polling) {
-        Handler::Poll::error(*request.get(), Handler::Poll::Result::replace, Response::Status::ok);
         if (timeoutId != TM::Scheduler::none) {
             if (sch)
                 sch->cancel(timeoutId);
 
             timeoutId = TM::Scheduler::none;
         }
-        //TODO unschedule
+        Handler::Poll::error(*polling.get(), Handler::Poll::Result::replace, Response::Status::ok);
+        polling.reset();
     }
 
     if (!sch) {
@@ -52,8 +54,7 @@ void Session::accept(std::unique_ptr<Request> request) {
         Handler::Poll::error(*request.get(), Handler::Poll::Result::unknownError, Response::Status::internalError);
         return;
     }
-    timeoutId = sch->schedule(std::bind(&Session::onTimeout, this), TM::Scheduler::Delay(5000));
-
+    timeoutId = sch->schedule(std::bind(&Session::onTimeout, this), timeout);
     polling = std::move(request);
 }
 
diff --git a/server/session.h b/server/session.h
index 7581352..55f84cb 100644
--- a/server/session.h
+++ b/server/session.h
@@ -14,7 +14,8 @@ public:
         std::weak_ptr<TM::Scheduler> scheduler,
         unsigned int id,
         const std::string& access,
-        const std::string& renew
+        const std::string& renew,
+        unsigned int timeout
     );
     Session(const Session&) = delete;
     Session(Session&& other);
@@ -36,4 +37,5 @@ private:
     std::string renew;
     std::unique_ptr<Request> polling;
     TM::Record::ID timeoutId;
+    TM::Scheduler::Delay timeout;
 };