[wix-users] Can't Access CustomData during uninstall

[Paul McMillan, Sr.]

How do i get taken off this distribution list?

Sent from my iPhone

> On Mar 27, 2019, at 1:04 PM, Justin Cox via wix-users <wix-users at lists.wixtoolset.org> wrote:
> 
> So the error was in my catch block, which I threw to an immediateCA error
> catcher, which sets a variable, then writes it to a log after exiting the
> CA.  Fixing that, the error I'm getting now is:
> 
> System.Collection.Generic.KeyNotFoundException: The given key was not
> present in the dictionary,
>  at System.Collections.Generic.Dictionary'2.get_Item(TKey key)
>  at XXXXXShared.DPWixExtension.UninstallFolders(Session session)
> 
> So it still seems it's not getting the FolderList variable, even though the
> log shows it's being set.  I'm stumped!
> 
> 
> 
>> On Tue, Mar 26, 2019 at 8:11 PM Rob Mensching <rob at firegiant.com> wrote:
>> 
>> The stack trace seems to show the custom action trying to set a property:
>> 
>>   at Microsoft.Deployment.WindowsInstaller.Session.set_Item(String
>> property, String value)
>> 
>> PS: don't write your custom action like this, add temporary rows to tables
>> instead.
>> 
>> _____________________________________________________________
>> Short replies here. Complete answers over there:
>> http://www.firegiant.com/
>> 
>> -----Original Message-----
>> From: wix-users <wix-users-bounces at lists.wixtoolset.org> On Behalf Of
>> Justin Cox via wix-users
>> Sent: Tuesday, March 26, 2019 5:38 PM
>> To: WiX Toolset Users Mailing List (wix-users at lists.wixtoolset.org) <
>> wix-users at lists.wixtoolset.org>
>> Cc: Justin Cox <cox.justin.a at gmail.com>
>> Subject: [wix-users] Can't Access CustomData during uninstall
>> 
>> I have custom scripts to backup folders during an install, rollback, and
>> uninstall.  they all work except for the uninstall.
>> I set the value:
>>  <CustomAction Id="SetFolderValuesUninstall" Property="UninstallFolders"
>> Value="FolderList=[INSTALLCLIENTINTERFACEDIR]"/>
>> 
>> I execute the command:
>>  <CustomAction Id="UninstallFolders" BinaryKey="XXXXXShared.CA.dll"
>> DllEntry="UninstallFolders" Return="check" Execute="deferred" />
>> 
>> My C# code is:
>>        [CustomAction]
>>        public static ActionResult UninstallFolders(Session session)
>>        {
>>            ActionResult ar = ActionResult.Success;
>>            try
>>            {
>>                string folderlist = session.CustomActionData["FolderList"];
>>                MessageBox.Show("FolderList = " + folderlist);
>>                List<string> foldersToDelete =
>> folderlist.Split('|').ToList();
>>                ar = DeleteFolders(foldersToDelete, session);
>>                return ar;
>>            }
>>            catch (Exception ex)
>>            {
>>                ar = immediateErrorCatcher(ex, session);
>>                return ar;
>>            }
>>        }
>> 
>> Everything works fine during the install, but during the uninstall, it
>> sets the value correctly:
>> 
>> MSI (s) (60:04) [17:33:58:021]: PROPERTY CHANGE: Adding UninstallFolders
>> property. Its value is
>> 'FolderList=C:\inetpub\wwwroot\XXXXXClientInterface\'.
>> 
>> Then, I get this error in verbose logging:
>> Calling custom action
>> XXXXXShared!XXXXXShared.DPWixExtension.UninstallFolders
>> Exception thrown by custom action:
>> System.Reflection.TargetInvocationException: Exception has been thrown by
>> the target of an invocation. --->
>> Microsoft.Deployment.WindowsInstaller.InstallerException: Cannot access
>> session details from a non-immediate custom action
>>   at Microsoft.Deployment.WindowsInstaller.Session.ValidateSessionAccess()
>>   at Microsoft.Deployment.WindowsInstaller.Session.set_Item(String
>> property, String value)
>>   at XXXXXShared.DPWixExtension.immediateErrorCatcher(Exception ex,
>> Session ses)
>>   at XXXXXShared.DPWixExtension.UninstallFolders(Session session)
>>   --- End of inner exception stack trace ---
>>   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object
>> arguments, Signature sig, Boolean constructor)
>>   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj,
>> Object parameters, Object arguments)
>>   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags
>> invokeAttr, Binder binder, Object parameters, CultureInfo culture)
>>   at
>> 
>> Microsoft.Deployment.WindowsInstaller.CustomActionProxy.InvokeCustomAction(Int32
>> sessionHandle, String entryPoint, IntPtr remotingDelegatePtr) CustomAction
>> UninstallFolders returned actual error code 1603 (note this may not be 100%
>> accurate if translation happened inside sandbox)
>> 
>> 
>> the error is happening when I hite "string folderlist =
>> session.CustomActionData["FolderList"];"
>> 
>> Is it possible to pass CustomActionData during an uninstall? Or has the
>> installer already thrown out those variables?
>> 
>> ____________________________________________________________________
>> WiX Toolset Users Mailing List provided by FireGiant
>> http://www.firegiant.com/
>> 
> 
> 
> -- 
> 
> *Justin Cox*
> 
> 
> 
> Senior Human Resource Manager
> 
> T. 913-684-4819 *•* M. 304-617-4845 *•*cox.justin.a at gmail.com *•* United
> States Army *•*linkedin.com/in/jcox4
> 
> ____________________________________________________________________
> WiX Toolset Users Mailing List provided by FireGiant http://www.firegiant.com/