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  • Why does every thread in my application use a different hibernate session?

    - by Ittai
    Hi, I have a web-application which uses hibernate and for some reason every thread (httprequest or other threads related to queueing) uses a different session. I've implemented a HibernateSessionFactory class which looks like this: public class HibernateSessionFactory { private static final ThreadLocal<Session> threadLocal = new ThreadLocal<Session>(); private static Configuration configuration = new AnnotationConfiguration(); private static org.hibernate.SessionFactory sessionFactory; static { try { configuration.configure(configFile); sessionFactory = configuration.buildSessionFactory(); } catch (Exception e) {} } private HibernateSessionFactory() {} public static Session getSession() throws HibernateException { Session session = (Session) threadLocal.get(); if (session == null || !session.isOpen()) { if (sessionFactory == null) { rebuildSessionFactory();//This method basically does what the static init block does } session = (sessionFactory != null) ? sessionFactory.openSession(): null; threadLocal.set(session); } return session; } //More non relevant methods here. Now from my testing it seems that the threadLocal member is indeed initialized only once when the class is first loaded by the JVM but for some reason when different threads access the getSession() method they use different sessions. When a thread first accesses this class (Session) threadLocal.get(); will return null but as expected all other access requests will yeild the same session. I'm not sure how this can be happening as the threadLocal variable is final and the method threadLocal.set(session) is only used in the above context (which I'm 99.9% sure has to yeild a non null session as I would have encountered a NullPointerException at a different part of my app). I'm not sure this is relevant but these are the main parts of my hibernate.cfg.xml file: <hibernate-configuration> <session-factory> <property name="connection.url">someURL</property> <property name="connection.driver_class"> com.microsoft.sqlserver.jdbc.SQLServerDriver</property> <property name="dialect">org.hibernate.dialect.SQLServerDialect</property> <property name="hibernate.connection.isolation">1</property> <property name="hibernate.connection.username">User</property> <property name="hibernate.connection.password">Password</property> <property name="hibernate.connection.pool_size">10</property> <property name="show_sql">false</property> <property name="current_session_context_class">thread</property> <property name="hibernate.hbm2ddl.auto">update</property> <property name="hibernate.cache.use_second_level_cache">false</property> <property name="hibernate.cache.provider_class">org.hibernate.cache.NoCacheProvider</property> <!-- Mapping files --> I'd appreciate any help granted and of course if anyone has any questions I'd be happy to clarify. Ittai

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  • state server session - cross appDomain?

    - by newone1
    When using a State server for session, are sessions still appDomain specific? So for example, I have two different IIS applications(virtual directories) on a web server, and they both point to one state server for session. The session guid from the cookie will be the same across requests from both applications, so will the same session be accessible across both of these applications? Thanks.

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  • Session state server saying extended class no serializable

    - by jenson-button-event
    I am storing an object in session state (using local session state server), class def is: [Serializable] public class ExtendedOAuth2Parameters : OAuth2Parameters but the service is still reporting: Unable to serialize the session state. In 'StateServer' and 'SQLServer' mode, ASP.NET will serialize the session state objects, and as a result non-serializable objects or MarshalByRef objects are not permitted. [SerializationException: Type 'Google.GData.Client.OAuth2Parameters' in Assembly 'Google.GData.Client, Version=2.1.0.0, Culture=neutral, PublicKeyToken=04a59ca9b0273830' is not marked as serializable.] How to get around it?

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  • symfony2.4 ajax call update or set session issues

    - by user3797283
    i have an issue with symfony2 when i use ajax to set session, hope u pro guys can help me. here is my controller code: //show month event list public function indexAction() { if ($this->getRequest()->isXmlHttpRequest()) { $paging = $this->getRequest()->get("nom"); $session = $this->getRequest()->getSession(); if ($paging) { //if $paging is set, then that's a click pager ajax event //(not 1st time load) $year = $paging; $session->set('year', $year); } else { //$paging is null, it's the first time page load $year = (new \DateTime())->format("Y"); $session->set('year', $year); } $repository = $this ->getDoctrine() ->getManager() ->getRepository('HycAccountBundle:MonthEvent'); $annuallist = $repository->monthListByYear($year); $jsonlist = json_encode($annuallist); return new Response($jsonlist); } //this part is to return entity to twig for using after $em = $this->getDoctrine()->getManager(); $allimages = $em->getRepository('HycAccountBundle:TypeImage') ->findAll(); return $this->render('HycAccountBundle:Account:index.html.twig', array('allimages' => $allimages)); } here is my twig code: <script type="text/javascript"> $(function() { $(document).ready(function (){ jQuery.ajax({ type: 'GET', cache: false, url: "{{ path('hyc_account_homepage') }}", success: function(data, textStatus, jqXHR) { alert({{app.session.get('year')}}); //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //!!!!!!!!! here i can get year 2014 !!!!!!!!!!!!!! //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! }, error:function (){ alert('error!'); } }); return false; }); }); </script> but when i click pager part, for example, i click year 2013, then ajax call will return a number (data: 'nom=' + num) to controller, but there i reset session value to num normally, but i cant get alert correct session (it's always 2014 as the 1st time) here is the code ajax, almost same as above: <script type="text/javascript"> $(document).ready(function(){ //after paging, reload month $('#page-selection').bootpag({ total: 3000, page: 2014, maxVisible: 5 }).on('page', function(event, num){ jQuery.ajax({ type: 'GET', url: "{{ path('hyc_account_homepage') }}", data: 'nom=' + num, success: function(data, textStatus, jqXHR) { alert({{app.session.get('year')}}); //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //here is the problem, it's always 2014, not set again !!!!!!!! //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! }, error:function (){ alert('error!'); } }); return false; }); }); </script> hope u guys help me, thanks in advance, i've tried for almost 1 day and looked for almost all in google but find nothing = =

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  • slow virtualbox guest

    - by ecoologic
    I run a guest ubuntu 12.04 on a host ubuntu 12.04, with virtual box, and the guest is much, much slower than the host (ALT+TAB costs 4-5secs). I had a look around and I found contradicting opinions on virtualbox vs vmware (free), so I taught to keep the former. Both systems are updated, I installed the additions on the guest and I evenly split memory and video memory (64mb) between guest and host. I am running a toshiba m200 laptop with 4GB ram and shared video memory. The host bios does not include a configuration option for machine virtualization. I have 2 cpus and I can't give them both to the vm. Is there anything I overlooked that could solve my problem? Feel free to ask for more info, and thank you for any help. EDIT Idling with the monitor open the (single) guest cpu never gets below 55% and could raise to 80 - 90% just moving the mouse around, opening ff will cause the monitor to run 100% in the guest, while the host shows that both cpus are evenly working around 60%. My cpu is Intel® Core™2 Duo CPU T5450 @ 1.66GHz × 2. If this is not a configuration problem, does it mean my machine is too weak for virtualization?

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  • Enabling Session State in ASP.NET MVC

    - by Erwin
    I'd like to use session variables in my ASP.NET MVC application. I already added the <sessionState> tag in my web.config file like this <sessionState mode="InProc" cookieless="false" timeout="20"> </sessionState> I get a session ID in my url like this if I use cookieless="true" http://localhost:2967/%28S%28hcawmi55zoruuy453fbo3k55%29%29/RmdReqBankAccount But I still can't use session variables in my application. I set the variable like this in my login method: Session["username"] = userName; and I retrieve it like this string user_id = (string)Session["username"]; I get an empty string when trying to retrieve values.

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  • Session variable getting lost using Firefox, works in IE

    - by user328422
    I am setting a Session variable in an HttpHandler, and then getting its value in the Page_load event of an ASPX page. I'm setting it using public void ProcessRequest(HttpContext context) { HttpPostedFile file = context.Request.Files["Filedata"]; context.Session["WorkingImage"] = file.FileName; } (And before someone suggests that I check the validity of file.FileName, this same problem occurs if I hard-code a test string in there.) It's working just fine in IE, but in Firefox the Session Variable is not found, getting the "Object reference not set to an instance of an object" error in the following code: protected void Page_Load(object sender, EventArgs e) { string loc = Session["WorkingImage"].ToString(); } Has anyone encountered this problem - and hopefully come up with a means for passing the session variable?

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  • Error on windows using session from appengine-utilities

    - by fredrik
    Hi, I ran across an odd problem while trying to transfer a project to a windows machine. In my project I use a session handler (http://gaeutilities.appspot.com/session) it works fine on my mac but on windows I get: Traceback (most recent call last): File "C:\Program Files (x86)\Google\google_appengine\google\appengine\ext\webapp_init_.py", line 510, in call handler.get(*groups) File "C:\Development\Byggmax.Affiliate\bmaffiliate\admin.py", line 29, in get session = Session() File "C:\Development\Byggmax.Affiliate\bmaffiliate\appengine_utilities\sessions.py", line 547, in init self.cookie.load(string_cookie) File "C:\Python26\lib\Cookie.py", line 628, in load for k, v in rawdata.items(): AttributeError: 'unicode' object has no attribute 'items' Anyone familiar with the Session Handler that knows anything of this? All help are welcome! ..fredrik

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  • PHP app with cookie less session does not work

    - by iama
    I am trying to use PHP session without using cookies. I have enabled session.use_trans_sid and disabled session.use_cookies in my php.ini file. I have also disabled cookies in my firefox browser. Now, when I browse my home page, I do not see the HTTP set cookie header in the server response to my page request (using Live HTTP headers). My understanding is that PHP will append session IDs to my request URL when cookies are disabled. Am I doing something wrong? BTW, I am aware using session IDs is not a recommended approach.

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  • Clear Session in ASP.Net

    - by Jignesh
    I want to clear the session on Page unload. Here is a condition : If user goes from Page A to Page B of the same site session must not get cleared. If user close the browser window or Tab(close the site),session must gets cleared. I have tried using AJAX PageMethod to call server-side procedure to remove session from client side script.But the procedure is not getting hit,I have checked it using Breakpoint. server side procedure is in master.cs file I will appreciate your help. Here is code in site.master <body onunload="HandleClose();"> <script type="text/javascript"> function HandleClose() { PageMethods.AbandonSessions(); } and here is a code in master.cs : [System.Web.Services.WebMethod] public static void AbandonSessions() { HttpContext.Current.Session.Abandon(); }

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  • Lose changed data in session

    - by user150528
    Our asp.net 2.0 application has a very long process (synchronized) before sending response back to client. I observed that a second request, exactly same the initial one, was sent after client IE8 waited response for a long period of time while our application was still processing the first request. I use page session with predefined key to store a flag when the initial request arrives and then starts long process while client IE waits for the response, so if second request comes in, our application checks the session value. After our application sets the session flag and starts processing, I use Fiddler “Abort Session” to abort the initial request, right away the second request (same as the first one) is sent automatically, but session value set earlier seems no longer exist. Any thoughts?

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  • Restore Emacs Session/Desktop

    - by Patrick McLaren
    I've been searching for how to restore an emacs session, with no luck. I'm looking to restore all previously open buffers, some of which might contain erc, shells, directory listings, files, etc. Every time I open emacs, I spend a considerable amount of time arranging my buffers; splitting them into rows and columns, opening a shell, arranging irc channels. It takes a while to get onto work. I've tried adding the following to my init.el (desktop-save-mode 1) And then using M-x desktop-save. This only seems to restore files that are open, not shells or anything else running within buffers. I've also checked the following questions (sorry, not able to post links yet): Session management in emacs using Desktop library Emacs session / projects / window management Emacs: reopen buffers from last session on startup? And read through: DeskTop and EmacsSession at emacswiki.org/emacs/SessionManagement Here's a screenshot example of my emacs session. A simple answer would be to just focus on real work :P

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  • CRSF token and Session replication with Tomcat and Apache

    - by technocool
    I have an J2EE compliant web application. I use a session based token to append a secondary id to all incoming link generated by my application. To prevent my application against CSRF attack, I validate the secondary id before I allow the user session to work off the subsequent page. Recently, while working with session replication mechanism implementation, I observed that on session failover, the generated secodary id is lost and the user get re directed to the login page/default page. Any suggestions on how I can ensure that the my generated secondary token id is not lost from the replicated session?

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  • ASP.NET MVC Session across subdomains

    - by nccsbim071
    Hi, In my website i have implemented custom session values. In which, on log on i set the session value to some object. This object is used to extract user specific data from db. now the problem is If user logs in with : test1.somesite.com and logs off and again logs in with: test2.somesite.com that user is still receiving the data from object specific to test1.somesite.com. the point is whichever site user frist logs in with the second time if he logs in with anathor subdomain he is always getting the data from previous sub domain login. on log out from specific domain i cleared all the sessions(tried everything): by putting HttpContext.session["UserDetail"] = null;, HttpContext.Session.Abandon() and also HttpContext.Session.Clear(); but nothing seems to work any help please

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  • Handling Session ID with Spring

    - by Max
    Hi, I'm trying to build a Spring server for GWT (you can think of it as of Javascript AJAX client). But I can't decide on one point of architecture. How should session be created and used? The obvious easiest way - is to use HTTP sessions (cookies and stuff). Looks fine, but I think that sending session ID separate from the headers would be better (SOAP style). So, what is better: getMyPetsName(String sessionID, int petID) or getMyPetsName(int petID) + session ID through HTTP header (cookies or something). Another question is, if I use the first way (which I like more) - how do I handle session in Spring? I'm really newbie in Spring, and googling did not help. What I mean is: String getMyPetsName(String sessionID, int petID) { Session s = someWayToGetItById(sessionID); } Thanks in advance.

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  • Debugging ASP.NET Session State server issues

    - by Cleggy
    We have an application that runs over load balanced server instances, and therefore is configured to use the ASP.NET session state service, which is running on one of our DB servers. While both instances of our app can successfully connect to the state server, changes in session state data are not being reflected across both of them. FI, If I call Session.Add('SomeKey', SomeData) on Server A, this is not being reflected if I then try to access Session['SomeKey'] on Server B. Session.SessionID returns the same value on both servers, and I have checked that they are both using the same validationkey and decryptionkey values configured in the machinekey section of machine.config. I even tried specifying these values in the apps web.config. What other things should I be looking out for which may be causing these symptoms, and what steps can people recommend to help debug this issue?

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  • PHP - What to store in a session?

    - by eWolf
    I know about all the issues with session fixation and hijacking. My question is really basic: I want to create an authentication system with PHP. For that, after the login, I would just store the user id in the session. But: I've seen some people do weird things like generating a GUID for each user and session and storing that instead of just the user id in the session. Why? The content of a session cannot be obtained by a client - or can it?

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  • JSP Problem ussing implicit object (session) in a function

    - by user234666
    Can the object of type HttpSession called session be accessed from a function? In a simple jsp page I have a function(see below) defined in the header of the page, and set to an onclick handle of for a button. When I press this button, I'll never see the second alert message. If I do something in the body of the page (like Session ID: <%= session.getId() % ) I have no trouble accessing it. What newbie mistake am I making? function doTest() { alert('Preforming test 122333232'); String sessionId = session.getId(); alert('After access'); if(sessionId == null) { alert('session id is null?'); } Thanks

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  • Inconsistent Session data from IE - cached sessions???

    - by pedalpete
    I'm trying to prevent some basic click-fraud on my site, and am building links based on session time data. Everything works in FF, but in IE the information I'm storing in the session is somehow being changed. When I load up the main page, I set my session variables like this session_start(); $_SESSION['time']=$time(); I'm out putting the session value into the page, so I get something like 1275512393. When the user clicks on a link, I send an ajax request, and that page is returning the session which I am putting into an alert. session_start(); echo $_SESSION['time']; die(); The alert is returning 1275512422. Only in IE is the $_SESSION['time'] being returned different from the original $_SESSION['time'] It doesn't appear that this is a caching issue, as the times are always VERY near each other, and the second one is always after the first, but I'm not positive.

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  • Session Evaluations

    - by BuckWoody
    I do a lot of public speaking. I write, teach, present and communicate at many levels. I love to do those things. And I love to get better at them. And one of the ways you get better at something is to get feedback on how you did. That being said, I have to confess that I really despise the “evaluations” I get at most venues. From college to technical events to other locations, at Microsoft and points in between, I find these things to be just shy of damaging, and most certainly useless. And it’s not always your fault. Ouch. That seems harsh. But let me ask you one question – and be as honest as you can with the answer – think about it first: “What is the point of a session evaluation?” I’m not saying there isn’t one. In fact, I think there’s a really important reason for them. In my mind, it’s really this: To make the speaker / next session better. Now, if you look at that, you can see right away that most session evals don’t accomplish this goal – not even a little. No, the way that they are worded and the way you (and I) fill them out, it’s more like the implied goal is this: Tell us how you liked this speaker / session. The current ones are for you, not for the speaker or the next person. It’s a popularity contest. Don’t get me wrong. I want to you have a good time. I want you to learn. I want (desperately, oh, please oh please) for you to like me. But in fact, that’s probably not why you went to the session / took the class / read that post. No, you want to learn, and to learn for a particular reason. Remember, I’m talking about college classes, sessions and other class environments here, not a general public event. Most – OK, all – session evaluations make you answer the second goal, not the first. Let’s see how: First, they don’t ask you why you’re there. They don’t ask you if you’re even qualified to evaluate the session or speaker. They don’t ask you how to make it better or keep it great. They use odd numeric scales that are meaningless. For instance, can someone really tell me the difference between a 100-level session and a 200-level one? Between a 400-level and a 500? Is it “internals” (whatever that means) or detail, or length or code, or what? I once heard a great description: A 100-level session makes me say, “wow - I’m smart.” A 500-level session makes me say “wow – that presenter is smart.” And just what is the difference between a 6 and a 7 answer on this question: How well did the speaker know the material? 1  2  3  4  5  6  7  8  9  10 Oh. My. Gosh. How does that make the next session better, or the speaker? And what criteria did you use to answer? And is a “10” better than a “1” (not always clear, and various cultures answer this differently). When it’s all said and done, a speaker basically finds out one thing from the current session evals: “They liked me. They really really liked me.” Or, “Wow. I think I may need to schedule some counseling for the depression I’m about to go into.” You may not think that’s what the speaker hears, but trust me, they do. Those are the only two reactions to the current feedback sheets they get. Either they keep doing what they are doing, or they get their feelings hurt. They just can’t use the information provided to do better. Sorry, but there it is. Keep in mind I do want your feedback. I want to get better. I want you to get your money and time’s worth, probably as much as any speaker alive. But I want those evaluations to be accurate, specific and actionable. I want to know if you had a good time, sure, but I also want to know if I did the right things, and if not, if I can do something different or better. And so, for your consideration, here is the evaluation form I would LOVE for you to use. Feel free to copy it and mail it to me any time. I’m going to put some questions here, and then I’ll even include why they are there. Notice that the form asks you a subjective question right away, and then makes you explain why. That’s work on your part. Notice also that it separates the room and the coffee and the lights and the LiveMeeting from the presenter. So many presenters are faced with circumstances beyond their control, and yet are rated high or low personally on those things. This form helps tease those apart. It’s not numeric. Numbers are easier for the scoring committees but are useless for you and me. So I don’t have any numbers. We’re actually going to have to read these things, not put them in a machine. Hey, if you put in the work to write stuff down, the least we could do is take the time to read it. It’s not anonymous. If you’ve got something to say, say it, and own up to it. People are not “more honest” when they are anonymous, they are less honest. So put your name on it. In fact – this is radical – I posit that these evaluations should be publicly available. Forever. Just like replies to a blog post. Hey, if I’m an organizer, I would LOVE to be able to have access to specific, actionable information on the attendees and the speakers. So if you want mine to be public, go for it. I’ll take the good and the bad. Enjoy. ------------------------------------------------------------------------------------------------------------------------------------------- Session Evaluation – Date, Time, Location, Topic Thanks for giving us your time today. We know that’s valuable, and we hope you learned something you can use from the session. If you can answer these questions as completely as you can, it will help the next person who attends a session here. Your Name: What you do for a living: (We Need your background to evaluate your evaluation) How long you have been doing that: (Again, we need your background to evaluate your evaluation) Paste Session Description Here: (This is what I said I would talk about) Did you like the session?                     No        Meh        Yes (General subjective question – overall “feeling”. You’ll tell us why in a minute.)  Tell us about the venue. Temperature, lights, coffee, or the online sound, performance, anything other than the speaker and the material. (Helps the logistics to be better or as good for the next person) 1. What did you expect to learn in this session? (How did you interpret that extract – did you have expectations that I should work towards for the next person?) 2. Did you learn what you expected to learn? Why? Be very specific. (This is the most important question there is. It tells us how to make the session better for someone like you.) 3. If you were giving this presentation, would you have done anything differently? What? (Helps us to gauge you, the listener, and might give us a great idea on how to do something better. Thanks!) 4. What will you do with the information you got? (Every presenter wants you to learn, and learn something useful. This will help us do that as well or better)  

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  • Internet Explorer 8 remembering me (keeping cookies) in "New Session"

    - by GJ
    From what I gather (e.g. http://tutorialfeed.blogspot.com/2009/06/ie-8-perk-access-multiple-gmail.html ) one can get a new IE8 window clean from older cookies and independent of what's going on in other windows. Alas, when I try that web sites still remember me in the window of the new session. Any ideas what's wrong in my setup? Thanks!

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