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  • JMS Session pooling for large numbers of Topic subscribers

    - by matthewKizoom
    I'm writing an app that will create lots of JMS topic subscribers. What is best practise regarding reusing sessions? A session per subscriber? A pool of sessions? With a session per subscriber the thread count seems unreasonable. Is this a job for something like a ServerSessionPool? What I've seen so far seems to suggest that ServerSessionPool is more geared towards one receiver consuming messages concurrently rather than lots of receivers. I'm currently working with HornetQ 2.0.0GA embedded in JBoss 4.3.0CP6.

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  • Relying on nhibernate's second level cache vs pushing objects into the session

    - by AhmetC
    I have some big entities which are frequently accessed in the same session. For example, in my application there is a reporting page which consist of dynamically generated chart images. For each chart image on this page, the client makes requests to corresponding controller and the controller generates images using some entities. I can either use asp.net's session dictionary for "caching" those entities or rely on nhibernate's second level cache support with using cached queries for example. What is your opinion? By the way I will use shared hosting, is nhibernate's second level cache hosting friendly? Thanks.

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  • Outlook MAPI session exception when outlook interface is closed

    - by michele
    I'm developing a email sender that retrieve data from a database, build up a MailItem with the Outlook Interop and send it. My email sender is running by a windows service that is notified everytime there's some data to send. I'm logging on the MAPI session of Outlook without problem and everything seems to work. But... when someone open Outlook interface and then close, my service crash at the first attempt i call a SendAndReceive method, with an exception that report that the session is assigned to another thread. I'm googling around for hours and i'm listening to the application_quit event, raised by the interface closing, trying to logoff and logon again to the application...but i'm still falling in the same error. Where am i wrong?Any suggestion? Thank you in advance

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  • How to prevent session timeout in Symfony 1.0?

    - by Thomas Kohl
    I've used the PHP MVC framework Symfony to build an on-demand web app. It has an annoying bug - the session expires after about 15-30 minutes of inactivity. There is a config directive to prevent session expiration but it does not work. Even workarounds such as this one did not help me. I intend not to migrate to Symfony 1.1 (which fixes this bug) in the foreseeable future. Has anyone been there and solved it? I would be most grateful for a hint or two!

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  • Setting a session variable in Global.asax causes AJAX errors

    - by Fly_Trap
    I'm getting a very peculiar problem with my asp.net application, it took me an age to track down but I still don't know what is causing this behaviour. If I set a session variable in the Application_PreRequestHandlerExecute event, then my external JavaScript files are ignored, and therfore causing a raft of errors. I have simplified the problem below. E.g. I have file called JScript.js containing the code: function myAlert() { alert("Hi World"); } And in my Default.aspx file I reference the js with the code: <script src="JScript.js" type="text/javascript"></script> And in the body onload event I call the myAlert() function: <body onload="myAlert()"> And finally in the Global.asax file: Private Sub Application_PreRequestHandlerExecute(ByVal sender As Object, ByVal e As EventArgs) HttpContext.Current.Session("myVar") = "MyValue" End Sub If you run the Default.aspx file you will see the js function isnt called, however, if you comment out the line of code Global.asax then the external js is called and the function executed when the page loads. Why is this?

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  • How to secure Java webservices with login and session handling

    - by hubertg
    I'd like to secure my (Java metro) webservice with a login. Here's how I'm planning to do that: Steps required when calling a webservice method are: call login(user,pwd), receive a session token 1.1 remember the token call servicemethod (token, arg1, arg2...) webservice checks if the token is known, if not throw exception otherwise proceed logout or timeout after x time periods of inactivity my questions: 1. what's your opinion on this approach? does it make sense? 2. are there any libraries which take the burden of writing a session handling (maybe with database persistence to survive app restarts) (the solution should be simple and easily usable with Java and .NET clients) thanks!

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  • How implement the Open Session in View pattern in NHibernate?

    - by MCardinale
    I'm using ASP.NET MVC + NHibernate + Fluent NHibernate and having a problem with lazy loading. Through this question (http://stackoverflow.com/questions/2519964/how-to-fix-a-nhibernate-lazy-loading-error-no-session-or-session-was-closed), I've discovered that I have to implement the Open Session in View pattern , but I don't know how. In my repositories classes, I use methods like this public ImageGallery GetById(int id) { using(ISession session = NHibernateSessionFactory.OpenSession()) { return session.Get<ImageGallery>(id); } } public void Add(ImageGallery imageGallery) { using(ISession session = NHibernateSessionFactory.OpenSession()) { using(ITransaction transaction = session.BeginTransaction()) { session.Save(imageGallery); transaction.Commit(); } } } And this is my Session Factory helper class: public class NHibernateSessionFactory { private static ISessionFactory _sessionFactory; private static ISessionFactory SessionFactory { get { if(_sessionFactory == null) { _sessionFactory = Fluently.Configure() .Database(MySQLConfiguration.Standard.ConnectionString(MyConnString)) .Mappings(m => m.FluentMappings.AddFromAssemblyOf<ImageGalleryMap>()) .ExposeConfiguration(c => c.Properties.Add("hbm2ddl.keywords", "none")) .BuildSessionFactory(); } return _sessionFactory; } } public static ISession OpenSession() { return SessionFactory.OpenSession(); } } Someone could help me to implements Open Session in View pattern? Thank you.

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  • Google App Engine - Calling getSession().invalidate(); causes app engine to act weird.

    - by Spines
    When I call hreq.getSession().invalidate(); app engine slows down tremendously. I looked at appstats and saw that on a page where no database calls are made, it was calling memcache.get and datastore.get 23 times each. The stack trace of these calls showed that it was being called from getSession(). This only happens on the production server. Every time I make a request to a page, it makes a bunch of memcache and datastore calls. This slow down goes away though when i restart my browser. When I changed the code to simply set the isLoggedIn property of the session to false, rather than calling hreq.getSession().invalidate();, everything was fine. As a test, I didn't invalidate my session, but I changed the value of my browser's session cookie, and the app engine exhibited the same behavior. Is this a bug with the app engine?

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  • Relying on nhibernate's second level cache vs pushing objects into asp.net session

    - by AhmetC
    I have some big entities which are frequently accessed in the same session. For example, in my application there is a reporting page which consist of dynamically generated chart images. For each chart image on this page, the client makes requests to corresponding controller and the controller generates images using some entities. I can either use asp.net's session dictionary for "caching" those entities or rely on nhibernate's second level cache support with using cached queries for example. What is your opinion? By the way I will use shared hosting, is nhibernate's second level cache hosting friendly? Thanks.

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  • Best way to deal with session handling in Zend Framework

    - by JACK IN THE CRACK
    So I'm starting up in Zend framework and looking to implement a site-wide "User" session.... something I can easily access from ALL modules/controllers in the application. I'm like, should I make a new namespace in the library and extend the controller, like: MyLib_Controller_Action extends Zend_Controller_Action { protected $_userSession; function preDispatch(Zend_Controller_Request_Abstract $req) { $this->_userSession = new Zend_Session_Namespace('user'); } } ANd then have all my controllers/modules/etc extend from that? Or should I create a Plugin or what? How would you go about making this plugin to pass the user session to the controller? Or do I do it in the bootstrap?? Again how to pass to controller? Also should I use Zend_Session_Namespace or Zend_Http_Cookie and also how do I encrypt and xss clean the cookie or is that did automagically?

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  • Invalid AuthenticityToken everywhere

    - by bwizzy
    I have a rails app that I just deployed which is generating Invalid AuthenticityToken errors anywhere a form is submitted. The app uses subdomains as account names and will also eventually allow for a custom domain to be entered. I have an entry in production.rb to allow for cross-domain session handling. The problem is that you can't login / or submit any form because everything raises an Invalid AuthenticityToken error. The issue looks similar but not the same as http://stackoverflow.com/questions/1201901/rails-invalid-authenticity-token-after-deploy plus I'm not using mongrel. I've tried clearing cookies in the browser, and restarting passenger but no luck. Anyone have any ideas? The server is running nginx + passenger 2.3.11, and Rails 2.3.5. #production.rb config.action_controller.session[:domain] = '.domain.com' #environment.rb config.action_controller.session = { :session_key => '_app_session', :secret => '.... nums and chars .....' }

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  • What to pass to UserType, BlobType.setPreparedStatement session parameter

    - by dlots
    http://blog.xebia.com/2009/11/09/understanding-and-writing-hibernate-user-types/ I am attempting to defined a customer serialization UserType that mimics, the XStreamUserType referenced and provided here: http://code.google.com/p/aphillips/source/browse/commons-hibernate-usertype/trunk/src/main/java/com/qrmedia/commons/persistence/hibernate/usertype/XStreamableUserType.java My serializer outputs a bytearray that should presumably written to a Blob. I was going to do: public class CustomSerUserType extends DirtyCheckableUserType { protected SerA ser=F.g(SerA.class); public Class<Object> returnedClass() { return Object.class; } public int[] sqlTypes() { return new int[] {Types.BLOB}; } public Object nullSafeGet(ResultSet resultSet,String[] names,Object owner) throws HibernateException,SQLException { if() } public void nullSafeSet(PreparedStatement preparedStatement,Object value,int index) throws HibernateException,SQLException { BlobType.nullSafeSet(preparedStatement,ser.ser(value),index); } } Unfortunetly, the BlobType.nullSafeSet method requires the session. So how does one define a UserType that gets access to a servlet requests session? EDIT: There is a discussion of the issue here and it doesn't appear there is a solution: Best way to implement a Hibernate UserType after deprecations?

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  • How to start a process from another application and then open a terminal to that process in gnu scre

    - by Charlie
    I'd like to be able to launch a process from a GUI application (right now I'm thinking specifically of letting an eclipse user -- possibly via a plugin -- click a button to launch a build using my organization's build system). I don't want this process to stop when I stop the parent application, and I want to be able to "switch into it" later, as though I launched it from a command line. I've seen GNU screen described as good for most of what I'm asking for, but I'm not sure about the "launch the process from another application" part. Can this be done if the GUI application was itself launched from within screen? Can this be done if it wasn't? I'd be very interested in seeing how! Update: Prepending "screen" to a command line looks like a good way to start a process in screen from a shell, but I'm trying to find a way to do this without being taken straight into that session. I want to "send" the command to a screen session, where it will be started in a new window in that session.

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  • session state of checkbox list

    - by xrx215
    Can you please help me in storing the checkbox list items in session. I have a checkbox list as follows asp:CheckBoxList ID="cblScope" runat="server" onselectedindexchanged="cblScope_SelectedIndexChanged"> asp:ListItem ID="liInScope" runat="server" Value="true">In Scope (Monitored)</asp:ListItem> <asp:ListItem ID="liOutOfScope" runat="server" Value="true">Out of Scope (Unmonitored)</asp:ListItem> /asp:CheckBoxList> I have to store the value of the checkbox in session when they are cheked.

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  • Customer session is different in different parts of a Magento website

    - by Josh Pennington
    I have a function inside of a Helper in Magento that returns whether or not a customer attribute equals one. Here is my Helper class class Nie_Nie_Helper_Data extends Mage_Core_Helper_Abstract { public function isNieAdmin() { if(Mage::getSingleton('customer/session')->getCustomer()->getNieAdmin() == 1) { return true; } else { return false; } } } Now when I call this function from a class that extends Mage_Core_Block_Template, everything seems to work fine. However when I try to use this inside one of my controllers, it does not work. In fact when I do Mage::getSingleton('customer/session')-getCustomer()-debug() the only variable that is returned is the website_id. Does anyone know what I have to do in order to get this to work? Thanks Josh Pennington

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  • loading an asp after starting a session

    - by Noam Smadja
    the jQuery $("#loginform").submit(function(){ $.ajax({ type: "POST", url: "loginrespajax.asp", data: $("#loginform").serialize(), success: function(){ $("#loginform").hide("slow"); $("#loginform").load("userheader.asp"); $("#loginform").show("slow"); } }); }); thats userheader.asp <div class="userlinks"> <%if (session("userlevel")) then%> <% select case session("userlevel") case 1 %> <a href="managenews.asp"><%langstring("header_news")%></a> | <a href="managebooks.asp"><%langstring("header_books")%></a> | <a href="manageusers.asp"><%langstring("manage_users")%></a> | <a href="manageorders.asp"><%langstring("manage_orders")%></a> | <a href="managelanguage.asp"><%langstring("manage_language")%></a> | <a href="youthregistration.asp"><%langstring("youthreg_header")%></a> | <a href="manageregistrants.asp"><%langstring("youthlist_header")%></a> | <% case 2 %> <a href="managenews.asp"><%langstring("header_news")%></a> | <a href="managebooks.asp"><%langstring("header_books")%></a> | <a href="youthregistration.asp"><%langstring("youthreg_header")%></a> | <a href="manageregistrants.asp"><%langstring("youthlist_header")%></a> | <% case 3 %> <a href="youthregistration.asp"><%langstring("youthreg_header")%></a> | <a href="manageregistrants.asp"><%langstring("youthlist_header")%></a> | <% End select %> <a href="editprofile.asp"><%langstring("editprofile_header")%></a> | <a href="changepassword.asp"><%langstring("changepassword_header")%></a> | <a href="logout.asp"><%langstring("logout_header")%></a> <%else%> <form action="loginrespajax.asp" method="POST" name="loginform" id="loginform" class="loginform" onSubmit="return false;"> <input type="text" name="username" value="username" class="input inline" onFocus="clearText(this);"> <input type="password" name="password" value="password" class="input inline" onFocus="clearText(this);"> <input type="submit" value="Log In" class="submit inline"> </form> <%End if%> </div> i am submiting the login form using AJAX and the jQuery partially works. it does hide and show again. but it prints the ELSE part of in userheader.asp. the session does start, for sure :)

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  • NHibernate filters don't work with Session.Get

    - by Khash
    I'm trying to implement a Soft-deletable repository. Usually this can be easily done with a Delete Event listener. To filter out the deleted entities, I can add a Where attribute to my class mapping. However, I also need to implement two more methods in the repository for this entity: Restore and Purge. Restore will "undelete" entities and Purge will hard-delete them. This means I can't use Where attribute (since it block out soft-deleted entities to any access) I tried using filters instead. I can create a filter and enable or disable it within session to achieve the same result. But the problem is filters don't have any effect on Session.Get method (they only affect ICriteria based access). Any ideas as to how solve this problem? Thanks

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  • Does PHP session conflict with Share-Nothing-Architecture?

    - by Morgan Cheng
    When I first meet PHP, I'm amazed by the idea Sharing-Nothing-Architecture. I once in a project whose scalaiblity suffers from sharing data among different HTTP requests. However, as I proceed my PHP learning. I found that PHP has sessions. This looks conflict with the idea of sharing nothing. So, PHP session is just invented to make counterpart technology of ASP/ASP.NET/J2EE? Should high scalable web sites use PHP session?

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  • asp.net session error

    - by umeshchaurasia
    HI all, I am working with asp.net with c#.net Here i am using session state to pass the value from one page to another. i have two pages, in first page i am calculating the value and passing the value to second page using session and in second page i am displaying the message through the value. I am using these two pages for facebook application. I uploaded my two pages then i am checking with facebook by opening through internet explorer and its giving below error. Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. But when i open my application using firefox the pages are working fine. please help me...

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  • session is lost after successful login?

    - by sword101
    greetings all um using spring security 3.0.2,all the application pages are secured to see them you must be authenticated um using https protocol i have a strange problem that after successful login and got to the requested page when try to open any link to other pages in the application the session is invalidated or lost or what happened i don't know and the user become anonymous,and redirected to the login page and i got this from debugging: No HttpSession currently exists No SecurityContext was available from the HttpSession: null. A new one will be created. after reviewing the coe many times,nothing in the code is invalidating the session,any ideas why something like this might happen?

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