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Re: Windows x86-64 One-Click Install (9.1.2-1, 9.0.6-1) hangs on "initialising the database cluster" (with work-around)

From: Eric Borts <eborts(at)bltek(dot)com>
To: Dharmendra Goyal <dharmendra(dot)goyal(at)enterprisedb(dot)com>
Cc: Dave Page <dpage(at)pgadmin(dot)org>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: Windows x86-64 One-Click Install (9.1.2-1, 9.0.6-1) hangs on "initialising the database cluster" (with work-around)
Date: 2012-01-27 20:16:00
Message-ID: (view raw or whole thread)
Lists: pgsql-bugs
I found the problem with my computer here 
It turns out this registry entry was causing my problem:

         Progid REG_SZ (Applications\cmd.exe)

Deleting the \UserChoice key restored my context menu and ability to run 
a ".bat" directly instead of using %COMSPEC%.

I am going to un-install an re-install postgres to verify that this 
solves my installation issues.


On 1/27/2012 12:41 PM, Eric Borts wrote:
> Regarding my final point:
> "Similarly, you may prefer to have the default action for a batch file 
> (.bat) changed to Edit instead of Open. Double-clicking the file will 
> not run the commands in the file, and if users want to run the file, 
> they can use the*Open*command on the shortcut menu."
> This advice would be likely to hang the PostgreSQL installer.
> Cheers,
> Eric
> On 1/27/2012 12:32 PM, Eric Borts wrote:
>> Hi Dave and Dharmendra,
>> It is not the "%COMSPEC% /c" call that causes the window to popup, 
>> but the WindowStyle parameter to WShell.Run (see Table 3.9 in MS 
>> TechNet WSH Objects / Running Programs 
>> <>). Setting 
>> WindowStyle to "0" creates a hidden window. This is how the code in 
>> the installer is currently written. Setting it to "1" creates a 
>> visible window. This happens when using "%COMSPEC% /c" or when 
>> calling the batch file directly.
>> Here is a another site recommending 
>> <> 
>> the use of "%COMSPEC% /c" with a "0" second parameter, along with a 
>> note about the window (in)visibility:
>>     "[...] do not run any command that raises a prompt, dialog, 
>> msgbox or any other GUI. This [...] could hang your entire system 
>> (since the invisible GUI will be waiting for a reply [...]"
>> Test code is attached that demonstrates using COMSPEC with a "0" 
>> versus a "1".
>> Output from SET command is also attached. Note that I've verified 
>> that this problem still occurs in Safe Mode.
>> Any other suggestions? I've also posted to StackOverflow 
>> <> 
>> for adivce.
>> A separate line of reasoning for using COMSPEC is that the calling of 
>> the .bat directly assumes that default action is to execute the batch 
>> file. If a user has modified their default .bat actions (which I have 
>> not), the postgres installer will fail. Using COMSPEC will avoid that 
>> pitfall.
>> I'll keep you posted if I discover why my machine doesn't execute 
>> batch files by default, or how it ended up in this condition. The 
>> computer is only about 2 months old, so I haven't had *that* much 
>> time to overwhelm it with installs.
>> Eric

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Subject: Re: Windows x86-64 One-Click Install (9.1.2-1, 9.0.6-1) hangs on "initialising the database cluster" (with work-around)
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