hi I am launching one service through client and trying to invoke method exposed by service to message bus, but i am getting following error, Error: Message did not receive a reply (timeout by message bus) Following is code server.c #include <stdio.h> #include <glib-object.h> #include <glib/gi18n.h> #include <dbus/dbus-glib.h> #include <dbus/dbus-glib-bindings.h> #include "server.h" static gboolean my_server_many_args() {     if(1)     {         FILE* fp;         fp = fopen("nefile","w");         fclose(fp);         printf("\nmy_server_many_args\n");              return TRUE;            }     return FALSE; } #include "my-server-glue.h" static GMainLoop *loop; DBusGConnection *connection; static MyServer *server; G_DEFINE_TYPE(MyServer, my_server, G_TYPE_OBJECT); /* Class init */ static void my_server_class_init (MyServerClass *my_server_class) {   //g_type_class_add_private (e_data_book_factory_class, sizeof (EDataBookFactoryPrivate));   printf("\ni am class init\n");   dbus_g_object_type_install_info (G_TYPE_FROM_CLASS (my_server_class), &dbus_glib__object_info); } /* Instance init */ static void my_server_init (MyServer *server) { } int main (int argc, char **argv) {           GError *error = NULL;   DBusGProxy *proxy;   char req_name = {"amol.gajewar"};   guint32 request_name_ret,flags;   g_type_init ();   loop = g_main_loop_new (NULL, FALSE);     /* Obtain a connection to the session bus */   //connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);   connection = dbus_g_bus_get (getenv("DBUS_STARTER_ADD"),&error);     if (connection == NULL)   {       printf("\nFailed to open connection to bus\n");   }      proxy = dbus_g_proxy_new_for_name (connection,                                      DBUS_SERVICE_DBUS,                                      DBUS_PATH_DBUS,                                      DBUS_INTERFACE_DBUS);         #if 1   if(!org_freedesktop_DBus_request_name (proxy, "com.example", 0, &request_name_ret, &error))   {    g_warning ("There was an error requesting the name: %s", error->message); g_error_free (error); return FALSE;   } #endif   server = g_object_new (TYPE_MY_SERVER, NULL);   dbus_g_connection_register_g_object (connection,"/com/example/MyServer", G_OBJECT (server));   g_main_loop_run (loop);             dbus_g_connection_unref (connection);   return 0; } client.c #define GETTEXT_PACKAGE #include <dbus-1.0/dbus/dbus.h> #include <glib-object.h> #include <glib/gi18n-lib.h> #include <dbus-1.0/dbus/dbus-glib.h> #include <dbus-1.0/dbus/dbus-glib-lowlevel.h> #include "my-server-bindings.h" static GMainLoop *loop; int main (int argc, char **argv) {   DBusGConnection *connection;   DBusGProxy *proxy,*newproxy;      DBusMessage *message;      DBusError derror;   GError *error;   char **name_list;   char **name_list_ptr;   guint32 request_name_ret;   g_type_init ();  // loop = g_main_loop_new (NULL, FALSE);   error = NULL;   connection = dbus_g_bus_get (DBUS_BUS_SESSION,                                &error);     if (connection == NULL)     {       g_printerr ("Failed to open connection to bus: %s\n",                   error->message);       g_error_free (error);       exit (1);     }  /* Create a proxy object for the "bus driver" (name "org.freedesktop.DBus") */  #if 1   newproxy = dbus_g_proxy_new_for_name (connection,                                      DBUS_SERVICE_DBUS,                                      DBUS_PATH_DBUS,                                      DBUS_INTERFACE_DBUS); #if 1   dbus_error_init (&derror); printf("\nstarting\n");   if (!dbus_bus_start_service_by_name (dbus_g_connection_get_connection (connection),                                        "com.example",                                        0, NULL, &derror)) {     dbus_set_g_error (error, &derror);     dbus_error_free (&derror);     printf("\n i am failed 1 \n");     g_printerr ("Error: %s\n", error->message);     return FALSE;   } printf("\nstarted\n"); #endif   /* Call ListNames method, wait for reply */   error = NULL;   if (!dbus_g_proxy_call (newproxy, "ListNames", &error, G_TYPE_INVALID,                           G_TYPE_STRV, &name_list, G_TYPE_INVALID))     {       /* Just do demonstrate remote exceptions versus regular GError */       if (error->domain == DBUS_GERROR && error->code == DBUS_GERROR_REMOTE_EXCEPTION)         g_printerr ("Caught remote method exception %s: %s",                 dbus_g_error_get_name (error),                 error->message);       else         g_printerr ("Error: %s\n", error->message);       g_error_free (error);       exit (1);     }   /* Print the results */     g_print ("Names on the message bus:\n");     for (name_list_ptr = name_list; *name_list_ptr; name_list_ptr++)     {       g_print ("  %s\n", *name_list_ptr);     }   g_strfreev (name_list);   #endif #if 1    proxy = dbus_g_proxy_new_for_name_owner (connection,"com.example","/com/example/MyServer","com.example.MyServer",   &error);    if (!proxy) {         g_printerr ("Error: %s\n", error->message);     printf("i am failed 2  ");       return FALSE;     } if(!com_example_MyServer_many_args (proxy,&error))    {          printf("\ni am failed\n");           /* Just do demonstrate remote exceptions versus regular GError */       if (error->domain == DBUS_GERROR && error->code == DBUS_GERROR_REMOTE_EXCEPTION)         g_printerr ("Caught remote method exception %s: %s",                 dbus_g_error_get_name (error),                 error->message);       else         g_printerr ("Error: %s\n", error->message);       g_error_free (error);       exit (1);     } #endif     g_object_unref (newproxy);   g_object_unref (proxy);   return 0; } any pointers on this are welcome <hr size=1></hr> Here�s a new way to find what you're looking for - <a href="http://us.rd.yahoo.com/mail/in/yanswers/*http://in.answers.yahoo.com/">Yahoo! 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