diff --git a/client/src/core/windows/request.cc b/client/src/core/windows/request.cc
index eb41978..7178271 100644
--- a/client/src/core/windows/request.cc
+++ b/client/src/core/windows/request.cc
@@ -147,7 +147,16 @@
 		uint16_t rc = *((uint16_t *) (in.block + in.current));
 		in.current += sizeof(uint16_t);
 
-		// Extract argc
+		if(rc) {
+
+			// It´s an error, extract message
+			in.block[in.used] = 0;
+			debug("Error was ",rc," (\"",(const char *) (in.block + in.current),"\")");
+			throw std::system_error(std::error_code(rc,std::system_category()),(const char *) (in.block + in.current));
+
+		}
+
+		// It´s not an error, extract argument count
 		uint16_t argc = *((uint16_t *) (in.block + in.current));
 		in.current += sizeof(uint16_t);
 
diff --git a/client/src/host/pop.cc b/client/src/host/pop.cc
index 9ccb81f..fc3d6e7 100644
--- a/client/src/host/pop.cc
+++ b/client/src/host/pop.cc
@@ -41,41 +41,17 @@
 /*---[ Implement ]----------------------------------------------------------------------------------*/
 
 TN3270::Host & TN3270::Host::pop(int baddr, std::string &text) {
-
-	this->session->waitForReady(this->timeout);
-
-	if(this->session->getConnectionState() == TN3270::DISCONNECTED) {
-		chkResponse(ENOTCONN);
-	}
-
 	session->pop(baddr, text);
-
 	return *this;
 }
 
 TN3270::Host & TN3270::Host::pop(unsigned short row, unsigned short col, std::string &text) {
-
-	this->session->waitForReady(this->timeout);
-
-	if(this->session->getConnectionState() == TN3270::DISCONNECTED) {
-		chkResponse(ENOTCONN);
-	}
-
 	session->pop(row,col,text);
-
 	return *this;
 }
 
 TN3270::Host & TN3270::Host::pop(std::string &text) {
-
-	this->session->waitForReady(this->timeout);
-
-	if(this->session->getConnectionState() == TN3270::DISCONNECTED) {
-		chkResponse(ENOTCONN);
-	}
-
 	session->pop(text);
-
 	return *this;
 }
 
diff --git a/client/src/host/stream.cc b/client/src/host/stream.cc
index 57f8fcf..9102bd7 100644
--- a/client/src/host/stream.cc
+++ b/client/src/host/stream.cc
@@ -42,7 +42,6 @@
 
 /// @brief Writes characters to the associated file from the put area
 int TN3270::Host::sync() {
-	this->session->waitForReady(this->timeout);
 	return 0;
 }
 
diff --git a/client/src/host/string.cc b/client/src/host/string.cc
index 09178f8..c1264d0 100644
--- a/client/src/host/string.cc
+++ b/client/src/host/string.cc
@@ -41,52 +41,32 @@
 /*---[ Implement ]----------------------------------------------------------------------------------*/
 
 std::string TN3270::Host::toString() const {
-
-	this->session->waitForReady(this->timeout);
 	return this->session->toString();
 }
 
 std::string TN3270::Host::toString(int baddr, int len, char lf) const {
-
-	this->session->waitForReady(this->timeout);
 	return this->session->toString(baddr,len,lf);
-
 }
 
 std::string TN3270::Host::toString(unsigned short row, unsigned short col, int len, char lf) const {
-
-	this->session->waitForReady(this->timeout);
 	return this->session->toString(row,col,len,lf);
-
 }
 
 /// @brief Checks if the terminal contains the string.
 size_t TN3270::Host::find(const char * str, size_t pos) const {
-
-	this->session->waitForReady(this->timeout);
 	return this->session->find(str,pos);
-
 }
 
 /// @brief Get the number of occurrences of a string in the terminal.
 size_t TN3270::Host::count(const char * str, size_t pos) const {
-
-	this->session->waitForReady(this->timeout);
 	return this->session->count(str,pos);
-
 }
 
 /// @brief Compare contents.
 int TN3270::Host::compare(int baddr, const char* s, int len) const {
-
-	this->session->waitForReady(this->timeout);
 	return this->session->compare(baddr, s, len);
-
 }
 
 int TN3270::Host::compare(unsigned short row, unsigned short col, const char* s, int len) const {
-
-	this->session->waitForReady(this->timeout);
 	return this->session->compare(row,col,s,len);
-
 }
diff --git a/client/src/testprogram/testprogram.cc b/client/src/testprogram/testprogram.cc
index 072a64d..bf22390 100644
--- a/client/src/testprogram/testprogram.cc
+++ b/client/src/testprogram/testprogram.cc
@@ -170,25 +170,13 @@
 
 		TN3270::Host host{session};
 
-		host.connect();
+		// host.connect();
 
-		{
-			auto start = time(nullptr);
-			for(size_t ix = 0; ix < 100; ix++) {
-				host.waitForReady(5);
-			}
-			cout << endl << "Time for waitForReady method: " << (time(nullptr) - start) << endl << endl;
-		}
+		cout << endl << "------------------------" << endl;
+		host.toString(14,1,75,0);
+		cout << endl << "------------------------" << endl;
 
-		{
-			auto start = time(nullptr);
-			for(size_t ix = 0; ix < 100; ix++) {
-				host.toString(14,1,80,0);
-			}
-			cout << endl << "Time for toString method: " << (time(nullptr) - start) << endl << endl;
-		}
-
-		host.disconnect();
+		// host.disconnect();
 
 		/*
 		cout
@@ -275,8 +263,8 @@
 
 	cout 	<< "Session: " << session << endl;
 
-	// testHost(session);
-	testPerformance(session);
+	testHost(session);
+	// testPerformance(session);
 
 
 	//testAttributes(session);
diff --git a/server/src/core/linux/gobject.c b/server/src/core/linux/gobject.c
index f030a42..041d4da 100644
--- a/server/src/core/linux/gobject.c
+++ b/server/src/core/linux/gobject.c
@@ -302,11 +302,6 @@ H3270 * ipc3270_get_session(GObject *object) {
 	return IPC3270(object)->hSession;
 }
 
-void ipc3270_set_error(GObject *object, int errcode, GError **error) {
-	if(error && !*error)
-		g_set_error(error,IPC3270(object)->error_domain,errcode,"%s",strerror(errcode));
-}
-
 GQuark ipc3270_get_error_domain(GObject *object) {
 	return IPC3270(object)->error_domain;
 }
diff --git a/server/src/core/methods/methods.c b/server/src/core/methods/methods.c
index 85e74d9..d84aba3 100644
--- a/server/src/core/methods/methods.c
+++ b/server/src/core/methods/methods.c
@@ -88,12 +88,21 @@ int ipc3270_method_call(GObject *object, const gchar *method_name, GVariant *req
 
 		if(!g_ascii_strcasecmp(methods[ix].name,method_name)) {
 
+#ifdef _DEBUG_
+			g_message("Calling %s",methods[ix].name);
+#endif // _DEBUG_
+
 			int rc = methods[ix].call(object,request,response,error);
 
 			debug("rc=%d error=%p",rc,*error);
 
 			if(rc)
+			{
+				debug("%s exits with rc=%d (%s)",methods[ix].name,rc,ipc3270_get_error_message(rc));
+				g_message("%s exits with rc=%d (%s)",methods[ix].name,rc,ipc3270_get_error_message(rc));
 				ipc3270_set_error(object,rc,error);
+				debug("Error Message was set to %s",(*error)->message);
+			}
 
 			return 0;
 		}
diff --git a/server/src/core/tools.c b/server/src/core/tools.c
index 074e43b..146fca2 100644
--- a/server/src/core/tools.c
+++ b/server/src/core/tools.c
@@ -43,3 +43,30 @@
 
  #endif // ! GLIB(2,44,0)
 
+ const char * ipc3270_get_error_message(int errcode) {
+
+	static const struct Messages {
+		int errcode;
+		const char *msg;
+	} messages[] = {
+		{ ENOTCONN, "Not connected to host" }
+	};
+
+	size_t ix;
+
+	for(ix = 0; ix < G_N_ELEMENTS(messages); ix++) {
+		if(messages[ix].errcode == errcode) {
+			return messages[ix].msg;
+		}
+	}
+
+	return strerror(errcode);
+}
+
+void ipc3270_set_error(GObject *object, int errcode, GError **error) {
+	if(error && !*error) {
+		g_set_error(error,ipc3270_get_error_domain(object),errcode,"%s",ipc3270_get_error_message(errcode));
+	}
+}
+
+
diff --git a/server/src/core/windows/gobject.c b/server/src/core/windows/gobject.c
index 646aa2a..e2fc4ac 100644
--- a/server/src/core/windows/gobject.c
+++ b/server/src/core/windows/gobject.c
@@ -112,10 +112,6 @@ H3270 * ipc3270_get_session(GObject *object) {
 	return IPC3270(object)->hSession;
 }
 
-void ipc3270_set_error(GObject *object, int errcode, GError **error) {
-	g_set_error(error,IPC3270(object)->error_domain,errcode,"%s",strerror(errcode));
-}
-
 GQuark ipc3270_get_error_domain(GObject *object) {
 	return IPC3270(object)->error_domain;
 }
diff --git a/server/src/include/ipc-glib.h b/server/src/include/ipc-glib.h
index bee9e20..95ef7b7 100644
--- a/server/src/include/ipc-glib.h
+++ b/server/src/include/ipc-glib.h
@@ -139,6 +139,7 @@
 	GQuark				  ipc3270_get_error_domain(GObject *object);
 
 	void				  ipc3270_set_error(GObject *object, int errcode, GError **error);
+	const char			* ipc3270_get_error_message(int errcode);
 
 	int					  ipc3270_method_call(GObject *object, const gchar *method_name, GVariant *request, GObject *response, GError **error);
 	gboolean			  ipc3270_set_property(GObject *object, const gchar *property_name, GVariant *value, GError **error);
--
libgit2 0.21.2