ID: 41853 User updated by: gundja at hotmail dot com Reported By: gundja at hotmail dot com -Status: Open +Status: Bogus Bug Type: Session related Operating System: Redhat Enterprise PHP Version: 5.2.3 New Comment:
It was a pb of caching in a web farm, sorry. Previous Comments: ------------------------------------------------------------------------ [2007-06-29 16:49:47] gundja at hotmail dot com Important note : PHP is a compiled version The application is on 64B environment ------------------------------------------------------------------------ [2007-06-29 15:22:14] gundja at hotmail dot com Description: ------------ Users share the same session when there is a peak of charge. Actually, the process is: User 1 starts a session with a specific session_id() (S1) User 2 starts a session with a specific session_id() (S2) User 1 clicks on links User 2 clicks on links When there a lot of session, User 1 session = S2... Thank you very much for your help. Reproduce code: --------------- <? //version 0.2 session_start(); echo("Server name:".$_SERVER["SERVER_ADDR"]); echo("<br/>SESSION ID : ".session_id()."<br/>"); $customControl = $_SERVER ['REMOTE_ADDR']."|".$_SERVER['HTTP_USER_AGENT']."|".$_SERVER['HTTP_ACCEPT_LANGUAGE']."|".session_id(); echo("Associated informations : <br/>".$customControl."<br/>"); if(isset($_SESSION["CUSTOM_CONTROL"])) { $controlFromSession = $_SESSION["CUSTOM_CONTROL"]; echo("Informations from session : <br/>".$controlFromSession."<br/>"); if($customControl!=$controlFromSession) { echo("Informations from session and information provided by client are differents<br/>"); echo("We will destroy the session<br/>"); session_destroy(); echo("Session is destroyed<br/>"); echo("Session will be started<br/>"); session_start(); echo("Session is started<br/>"); $customControl = $_SERVER ['REMOTE_ADDR']."|".$_SERVER['HTTP_USER_AGENT']."|".$_SERVER['HTTP_ACCEPT_LANGUAGE']."|".session_id(); echo("Value of custom control :<br/>".$customControl); } } $_SESSION["CUSTOM_CONTROL"] = $customControl; echo("Value of Session :<br/>".$_SESSION["CUSTOM_CONTROL"]); ?> Expected result: ---------------- SESSION ID : e1dd4e5ce39242a52c7db9d7f23fec8c Associated informations : 195.68.126.90|Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4|en-us,en;q=0.5|e1dd4e5ce39242a52c7db9d7f23fec8c Informations from session : 195.68.126.90|Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4|en-us,en;q=0.5|e1dd4e5ce39242a52c7db9d7f23fec8c Value of Session : 195.68.126.90|Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4|en-us,en;q=0.5|e1dd4e5ce39242a52c7db9d7f23fec8c Actual result: -------------- SESSION ID : 979747d25bc9e21291aad70a1f886491 Associated informations : 195.68.126.90|Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4|en-us,en;q=0.5|979747d25bc9e21291aad70a1f886491 Informations from session : 82.228.147.184;Mozilla/5.0 (Windows: U: Windows NT 5.1: fr: rv:1.8.0.12) Gecko/20070508 Firefox/1.5.0.12;fr,fr-fr:q=0.8,en-us:q=0.5,en:q=0.3;979747d25bc9e21291aad70a1f886491;9508e4f5a18916a88ac39f0c64aecd0a Informations from session and information provided by client are differents We will destroy the session Session is destroyed Session will be started ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=41853&edit=1