Coldfusion session variables being lost

ok so when my users login I establish session variables. one of these is employee id. in my Application.cfc I have this at the top:
<cfscript>
this.name = "My App";
this.sessiontimeout=CreateTimeSpan("0", "0", "45", "0");
this.SESSIONMANAGEMENT="YES";
this.SetClientCookies = "true";
this.setDomainCookies = "true";
</cfscript>
i also set the timeout for sessions at 45 in the CFadmin too.
after a successfull login i capture their session.employeenumber by authenticating through our corporate LDAP. no problem there. note: this app has run smoothly for 6+ years now but something has recently gone wrong.
on every page i reference a file in my application directory called "check_session.cfm" like this:
<cfmodule template="/myApp/Tags/check_session.cfm">
In that file I have code that checks for the existence of the session.employee_number. if it doesn't exist they either timed out or book-marked a page in the app in which they need to be logged in to view:
<cflock timeout="30" throwontimeout="Yes" type="READONLY" scope="SESSION">

<CFIF NOT IsDefined("Session.employee_number")>
<CFLOCATION URL="http://#cgi.HTTP_HOST#/myApp/LoginAgain.cfm">
</CFIF>
</cflock>
every now and then (i'd say on average 5 times per week) i get an error message from a user (i re-direct all errors to my email with diagnostic info). the error reads "Element EMPLOYEE_NUMBER is undefined in SESSION". when i look at the page the error came from i see my call to the check_session.cfm file about 50 lines above where this error happened when i tried to reference session.employee_number. why wouldn't it not find it and re-direct the user to the timeout page? i can never duplicate this error on my machine either... i always get the right result without the error message. its a random, sporadic, intermittent error.

Here is the diagnostic error information. Where you see [omitted] i've changed the URL for the purposes of displaying this detail in a public forum:
struct
Browser
Mozilla/4.0   (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR   2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0;   InfoPath.2; .NET4.0C; .NET4.0E; MS-RTC LM 8)
DateTime
{ts   '2011-02-21 20:59:21'}
Diagnostics
Element   EMPLOYEENUMBER is undefined in SESSION. <br>The error occurred on line   162.
GeneratedContent
<!DOCTYPE   html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">   <html xmlns="http://www.w3.org/1999/xhtml">    <head>  <title>My Home</title> <meta   http-equiv="Content-Type" content="text/html;   charset=iso-8859-1" /> <link rel="stylesheet"   href="mm_training.css" type="text/css" /> <link   rel="stylesheet" type="text/css" href="../template/organized.css">   </head> <body bgcolor="#ffffff"   onLoad="onInit()">
HTTPReferer
http://[omitted]/mypage/myhome.cfm?CFID=101686&CFTOKEN=53097237
Mailto
[empty   string]
Message
Element   EMPLOYEENUMBER is undefined in SESSION.
QueryString
[empty   string]
RemoteAddress
10.x.x.x   [remote address omitted for purposes of this forum]
RootCause
struct
Detail
[empty     string]
ErrNumber
0
Message
Element     EMPLOYEENUMBER is undefined in SESSION.
Resolvedname
SESSION
StackTrace
coldfusion.runtime.UndefinedElementException:     Element EMPLOYEENUMBER is undefined in SESSION. at     coldfusion.runtime.CfJspPage.resolveCanonicalName(CfJspPage.java:1659) at     coldfusion.runtime.CfJspPage._resolve(CfJspPage.java:1612) at     coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1747)     at     coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1740)     at cfmyhome2ecfm1641837815._factor14(D:\[path_omitted]\mypage\myhome.cfm:162)     at cfmyhome2ecfm1641837815.runPage(D:\[path_omitted]\mypage\myhome.cfm:1)     at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:196) at     coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:370) at     coldfusion.filter.CfincludeFilter.invoke(CfincludeFilter.java:65) at     coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:273) at     coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:48)     at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40) at     coldfusion.filter.PathFilter.invoke(PathFilter.java:86) at     coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:70) at     coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:2 8)     at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38) at     coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:46) at     coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38) at     coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22) at     coldfusion.CfmServlet.service(CfmServlet.java:175) at     coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89) at     jrun.servlet.FilterChain.doFilter(FilterChain.java:86) at     coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42 )     at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46)     at jrun.servlet.FilterChain.doFilter(FilterChain.java:94) at     jrun.servlet.FilterChain.service(FilterChain.java:101) at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:106)     at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42) at     jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:286)     at jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:543)     at     jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:203)     at     jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:320)     at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)     at     jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:266)     at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
TagContext
array
1
struct
COLUMN
0
ID
LINE
162
RAW_TRACE
at         cfmyhome2ecfm1641837815._factor14(D:\[path_omitted]\mypage\myhome.cfm:162)
TEMPLATE
D:\[path_omitted]\mypage\myhome.cfm
TYPE
CFML
2
struct
COLUMN
0
ID
CF_MYHOME
LINE
1
RAW_TRACE
at         cfmyhome2ecfm1641837815.runPage(D:\[path_omitted]\mypage\myhome.cfm:1)
TEMPLATE
D:\[path_omitted]\mypage\myhome.cfm
TYPE
CFML
Type
Expression
element
EMPLOYEENUMBER
objectType
object of java.lang.Class
Class       Name
java.lang.Class
Methods
Method
Return Type
asSubclass(java.lang.Class)
java.lang.Class
cast(java.lang.Object)
java.lang.Object
desiredAssertionStatus()
boolean
forName(java.lang.String,         boolean, java.lang.ClassLoader)
java.lang.Class
forName(java.lang.String)
java.lang.Class
getAnnotation(java.lang.Class)
java.lang.annotation.Annotation
getAnnotations()
java.lang.annotation.Annotation[]
getCanonicalName()
java.lang.String
getClassLoader()
java.lang.ClassLoader
getClasses()
java.lang.Class[]
getComponentType()
java.lang.Class
getConstructor(java.lang.Class[])
java.lang.reflect.Constructor
getConstructors()
java.lang.reflect.Constructor[]
getDeclaredAnnotations()
java.lang.annotation.Annotation[]
getDeclaredClasses()
java.lang.Class[]
getDeclaredConstructor(java.lang.Class[])
java.lang.reflect.Constructor
getDeclaredConstructors()
java.lang.reflect.Constructor[]
getDeclaredField(java.lang.String)
java.lang.reflect.Field
getDeclaredFields()
java.lang.reflect.Field[]
getDeclaredMethod(java.lang.String,         java.lang.Class[])
java.lang.reflect.Method
getDeclaredMethods()
java.lang.reflect.Method[]
getDeclaringClass()
java.lang.Class
getEnclosingClass()
java.lang.Class
getEnclosingConstructor()
java.lang.reflect.Constructor
getEnclosingMethod()
java.lang.reflect.Method
getEnumConstants()
java.lang.Object[]
getField(java.lang.String)
java.lang.reflect.Field
getFields()
java.lang.reflect.Field[]
getGenericInterfaces()
java.lang.reflect.Type[]
getGenericSuperclass()
java.lang.reflect.Type
getInterfaces()
java.lang.Class[]
getMethod(java.lang.String,         java.lang.Class[])
java.lang.reflect.Method
getMethods()
java.lang.reflect.Method[]
getModifiers()
int
getName()
java.lang.String
getPackage()
java.lang.Package
getProtectionDomain()
java.security.ProtectionDomain
getResource(java.lang.String)
java.net.URL
getResourceAsStream(java.lang.String)
java.io.InputStream
getSigners()
java.lang.Object[]
getSimpleName()
java.lang.String
getSuperclass()
java.lang.Class
getTypeParameters()
java.lang.reflect.TypeVariable[]
isAnnotation()
boolean
isAnnotationPresent(java.lang.Class)
boolean
isAnonymousClass()
boolean
isArray()
boolean
isAssignableFrom(java.lang.Class)
boolean
isEnum()
boolean
isInstance(java.lang.Object)
boolean
isInterface()
boolean
isLocalClass()
boolean
isMemberClass()
boolean
isPrimitive()
boolean
isSynthetic()
boolean
newInstance()
java.lang.Object
toString()
java.lang.String
StackTrace
coldfusion.runtime.UndefinedElementException:   Element EMPLOYEENUMBER is undefined in SESSION. at coldfusion.runtime.CfJspPage.resolveCanonicalName(CfJspPage.java:1659)   at coldfusion.runtime.CfJspPage._resolve(CfJspPage.java:1612) at   coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1747) at   coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1740) at   cfmyhome2ecfm1641837815._factor14(D:\[path_omitted]\mypage\myhome.cfm:162) at   cfmyhome2ecfm1641837815.runPage(D:\[path_omitted]\mypage\myhome.cfm:1) at   coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:196) at coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:370)   at coldfusion.filter.CfincludeFilter.invoke(CfincludeFilter.java:65) at   coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:273) at   coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:48)   at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40) at   coldfusion.filter.PathFilter.invoke(PathFilter.java:86) at   coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:70) at   coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:2 8)   at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38) at   coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:46) at   coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38) at   coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22) at   coldfusion.CfmServlet.service(CfmServlet.java:175) at   coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89) at   jrun.servlet.FilterChain.doFilter(FilterChain.java:86) at   coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42 )   at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46) at   jrun.servlet.FilterChain.doFilter(FilterChain.java:94) at jrun.servlet.FilterChain.service(FilterChain.java:101)   at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:106) at   jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42) at   jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:286) at   jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:543) at   jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:203)   at   jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:320)   at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)   at   jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:266)   at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
TagContext
array
1
struct
COLUMN
0
ID
LINE
162
RAW_TRACE
at       cfmyhome2ecfm1641837815._factor14(D:\[path_omitted]\mypage\myhome.cfm:162)
TEMPLATE
D:\[path_omitted]\mypage\myhome.cfm
TYPE
CFML
2
struct
COLUMN
0
ID
CF_MYHOME
LINE
1
RAW_TRACE
at       cfmyhome2ecfm1641837815.runPage(D:\[path_omitted]\mypage\myhome.cfm:1)
TEMPLATE
D:\[path_omitted]\mypage\myhome.cfm
TYPE
CFML
Template
/[omitted]/mypage/myhome.cfm
Type
coldfusion.runtime.CfErrorWrapper

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Regards,

Hi,
this means your init block is not working. Check the init block why its not resulting in any data.
only when init block doesn't not result in data , server checks for default value for the variable.
Since there is no default value, you get this error.
Init blocks can fail because
1. connection pool is not working.
2. The table or view does not exist
3. no data in the table
4. filter in the sql in init block is not initialized if its coming from another session variable.
typically no data should bring no results in a report.
Since you have a session variable being part of the report, and that variable failed to initialize you get this error.
Thanks,
Satya Ranki Reddy

Problem retrieving Session variables in Flex from Coldfusion

For about a year I've been using a cfc that allows me to remote call from within Flex to retrieve session-level variables. I much prefer this to using FlashVars because with the remote call the session values don't show up in the page source.
This was working fine when I was using an Application.cfm file to manage my Coldfusion pages. However when I switched to using an Application.cfc file, the cfc stopped working. Neither the cfc or the cfm file contain any code to manage these session variables (they are set in other pages), so the only real difference seems to be changing from Application.cfm to Application.cfc.
Any thoughts why? Thanks.

Ok, this is resolved.
The problem seems to have been related to the scope of Application.cfc and Application.cfm. The directory which contained the cfc files had an Application.cfm controlling the session, while the directory with the pages that included the flex swf files had an Application.cfc file. Apparently these two don't talk to each other.
The solution is to use either Application.cfc or Application.cfm files, but not to mix them. In other words, use either -- but be consistent.

Printing a Web Report Using Firefox Results in Lost Session Variables

Post Author: AVXFlyer
CA Forum: .NET
I'm having a problem with Firefox users printing a Crystal Report from a web site.
The first page of the web site collects information to be used in the report generation, for example, start date, end date, type of report etc. These are all various text boxes, drop down lists, radio buttons and check boxes. When the user clicks to show the report, everything works fine and the first page of the report will display. The code behind this page takes care of saving al the session variables into hidden fields on the page so the settings will be accessible when the user clicks to view the next page of the report.
On clicking to view the next page of the report, everything is still fine and the process works beautifully and I've had no problems.
A new problem has surfaced during the printing of these reports. Users who use IE6.0 or IE 7.0 do not have a problem, however, users who use Firefox do have a problem.
It seems that the print dialog which appears as part of the the Crystal web control manages to 'lose" the variables which were present on the calling page. It only does this with the Firefox browser. Calls on postback to retrieve the variables from the hidden fields result in 0's or empty strings ("").
Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Init .... .... If Me.IsPostBack = False Then ... ... strDiscontinuedOnly = Request.Form.Item("ddlInvStatus") If strDiscontinuedOnly = Nothing Then isDiscontinuedOnly = False Else Select Case strDiscontinuedOnly Case 0 'All Inventory isDiscontinuedOnly = False Case 1 'Discontinued Inventory isDiscontinuedOnly = True Case 2 'Active Inventory isDiscontinuedOnly = False End Select End If Else 'Postback is true intRequestedReport = Request.Form.Item("fldReportID") strDiscontinuedOnly = Request.Form.Item("fldInvDiscItemsOnly") isDiscontinuedOnly = Request.Form.Item("fldInvDiscItemsOnly") ... ... end if

Can't explain it, but here are a few tests;
1) Try to print a saved data report
2) Try to print a report that is not using parameters
3) Try a different printer driver as "default"
4) Enable the option "Dissociate Formatting Page Size and Printer Paper Size" on the report
5) What format do you export to?
Ludek
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Purchased ColdFusion 10: Having problem with session variables

My Dept. has just bought CF10 and I'm finally updating my existing web app to CF10 from CF8. My First Problem with CF10 is using session variables.
When using the lower version of CF (since CF 4 to 8) I have never had any problem setting up session variables and getting or using these variables in other pages after a successful login but with CF 10 it seems setting session variables and using them in other pages are a major problems. I'm not sure where have I done wrong in the codes.
First I'm setting the session in my Application.cfc This way:
<cfcomponent displayname="Application" output="true">
<cfset THIS.Name ="MyNewApp"/>
<cfset THIS.ApplicationTimeout = CreateTimeSpan(0,0,20,0) />
<cfset THIS.SessionManagement ="YES"/>
<cfset THIS.SessionTimeout = CreateTimeSpan( 0, 0, 20, 0 ) />
<cfset THIS.SetClientCookies = false />
<cffunction name="OnApplicationStart" access="public" returntype="boolean" output="false">
<cfset application.Main_DSN = "TESTDB">
<cfreturn true />
</cffunction>
<cffunction name="onApplicationEnd" output="false">
      <cfargument name="applicationScope" required="true">
    </cffunction>
<cffunction name="OnSessionStart" access="public" returntype="void" output="false" hint="Fires when user session initializes.">
<cfset session.loggedin = "NO">
<cfset session.username = "">
<cfset session.userrights = "">
<cfset session.usergroup = "">
</cffunction>
</cfcomponent>
After login, user is validated and set values to those session.variables:
........user validation codes here......................
<cfif mylogin NEQ true>
      <cflocation url="/login/login.cfm">
      <cfabort
<cfelse>
      <cfset session.loggedin="Yes">
      <cfset session.username="#Trim(Form.username)#">
     <CFSET qUserRights = LoginObj.getUserRights('#Trim(Form.username)#')>
     <cfset session.userrights = qUserRights>
    <CFSET qUserGroup = LoginObj.getUserGroup('#Trim(Form.username)#')>
        <cfloop query="qUserGroup">
           <cfset session.usergroup = user_group>
           <cfbreak>
        </cfloop>
    
   <cfdump var="#session.loggedin#">
   <cfdump var="#session.username#">
   <cfdump var="#session.userright#">
   <cfdump var="#session.usergroup#">
</cfif>
In index.cfm, Before Login I got:
session.loggedin = NO
session.username = ["empty string"]
session.userrights = ["empty string"]
session.usergroup = ["empty string"]
After a successful Login:
session.loggedin = NO
session.username = ["empty string"]
session.userrights = ["empty string"]
session.usergroup = ["empty string"]
Have I done something wrong? These codes work on CF8. Please help.
I need to mentioned:
CF10 is in Linux and my web app is under https not http. But these session variables should be shared bentween http and https because some older application are still in http.

On which page is the following code?
After login, user is validated and set values to those session.variables:
........user validation codes here......................
<cfif mylogin NEQ true>
      <cflocation url="/login/login.cfm">
      <cfabort
<cfelse>
      <cfset session.loggedin="Yes">
      <cfset session.username="#Trim(Form.username)#">
     <CFSET qUserRights = LoginObj.getUserRights('#Trim(Form.username)#')>
     <cfset session.userrights = qUserRights>
    <CFSET qUserGroup = LoginObj.getUserGroup('#Trim(Form.username)#')>
        <cfloop query="qUserGroup">
           <cfset session.usergroup = user_group>
           <cfbreak>
        </cfloop>
    
   <cfdump var="#session.loggedin#">
   <cfdump var="#session.username#">
   <cfdump var="#session.userright#">
   <cfdump var="#session.usergroup#">
</cfif>

Coldfusion session variables being lost

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