I have tried to change the "subsurface.pov" file in POV-Ray and I tried to save.
....A window alert:

   * An access violation exception was generated at address 0x10008455 *

I have Windows XP SP3, POV-Ray beta 32, 32 bit no-SSE2 (pvengine.exe)


--
Carlo

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"Carlo C." <nomail@nomail> wrote:
> I have tried to change the "subsurface.pov" file in POV-Ray and I tried to save.
>    * An access violation exception was generated at address 0x10008455 *

Did you perhaps try to save the file while it was being parsed?

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"clipka" <nomail@nomail> wrote:
> "Carlo C." <nomail@nomail> wrote:
> > I have tried to change the "subsurface.pov" file in POV-Ray and I tried to save.
> >    * An access violation exception was generated at address 0x10008455 *
>
> Did you perhaps try to save the file while it was being parsed?

After rendering finished.
Closed and reopened POV-Ray, several times.
I try uninstalling and reinstalling?

--
Carlo

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"clipka" <nomail@nomail> wrote:
> "Carlo C." <nomail@nomail> wrote:
> > I have tried to change the "subsurface.pov" file in POV-Ray and I tried to save.
> >    * An access violation exception was generated at address 0x10008455 *
>
> Did you perhaps try to save the file while it was being parsed?

Problem solved manually.
Array.inc and subsurface.pov are in: property > attributes > "read only" mode.

--
Carlo

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Carlo C. <nomail@nomail> wrote:
> "clipka" <nomail@nomail> wrote:
> > "Carlo C." <nomail@nomail> wrote:
> > > I have tried to change the "subsurface.pov" file in POV-Ray and I tried to save.
> > >    * An access violation exception was generated at address 0x10008455 *
> >
> > Did you perhaps try to save the file while it was being parsed?

> Problem solved manually.
> Array.inc and subsurface.pov are in: property > attributes > "read only" mode.

  Still an access violation exception is a bug, regardless of the reason
why it happened...

-- 
                                                          - Warp

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Carlo C. wrote:
> I have tried to change the "subsurface.pov" file in POV-Ray and I tried to save.
> ....A window alert:
> 
>    * An access violation exception was generated at address 0x10008455 *
> 
> I have Windows XP SP3, POV-Ray beta 32, 32 bit no-SSE2 (pvengine.exe)

Strange ... I get "cannot overwrite read-only file" in both Vista and XP (I
have code in the editor that explicitly catches this issue: or so it is
supposed to do).

Can anyone else replicate this?

-- Chris

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On Mon, 06 Apr 2009 22:25:20 +1000, Chris Cason
<del### [at] deletethistoopovrayorg> wrote:

>Carlo C. wrote:
>> I have tried to change the "subsurface.pov" file in POV-Ray and I tried to save.
>> ....A window alert:
>> 
>>    * An access violation exception was generated at address 0x10008455 *
>> 
>> I have Windows XP SP3, POV-Ray beta 32, 32 bit no-SSE2 (pvengine.exe)
>
>Strange ... I get "cannot overwrite read-only file" in both Vista and XP (I
>have code in the editor that explicitly catches this issue: or so it is
>supposed to do).
>
>Can anyone else replicate this?
>

Not in Vista.
-- 

Regards
     Stephen

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Chris Cason <del### [at] deletethistoopovrayorg> wrote:
> Carlo C. wrote:
> > I have tried to change the "subsurface.pov" file in POV-Ray and I tried to save.
> > ....A window alert:
> >
> >    * An access violation exception was generated at address 0x10008455 *
> >
> > I have Windows XP SP3, POV-Ray beta 32, 32 bit no-SSE2 (pvengine.exe)
>
> Strange ... I get "cannot overwrite read-only file" in both Vista and XP (I
> have code in the editor that explicitly catches this issue: or so it is
> supposed to do).
>
> Can anyone else replicate this?

When running POV from the Visual Studio IDE, I keep getting access violations
when attempting to write to a file currently being parsed, or write protected,
like:

Unhandled exception at 0x03258455 in pvengine32d.exe: 0xC0000005: Access
violation reading location 0x00000000.

So far I didn't bother about them, as I just considered them some effect of
working in the IDE.

These asserts seem to happen deep in the bowels of Windows, somewhere during the
execution of handle_main_command(), but the exact location seems to vary. Right
now, I have it jam in the "NotifyModifiedChange" case - obviously because "s"
is pointing to 0x00000001.

However, it seems that the assert is not necessarily related to the write
attempt as such: When I open a write-protected file, then modify it, and then -
without saving - just switch focus to the IDE, I get a crash as well (in this
case in EditPassOnMessage()).

To me, this look suspiciously like a pointer already going wild much earlier,
when loading the write-protected file in the first place.

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"Carlo C." <nomail@nomail> wrote:
> I have tried to change the "subsurface.pov" file in POV-Ray and I tried to save.
> ....A window alert:
>
>    * An access violation exception was generated at address 0x10008455 *
>
> I have Windows XP SP3, POV-Ray beta 32, 32 bit no-SSE2 (pvengine.exe)
>
>
> --
> Carlo

The summary of my situation:

1) I have a pov file in read only mode, I open it with the beta 32,
   I try to save it:

   * An access violation exception was generated at address 0x10008455 *

   ...and I am forced to close.

2) Same result with the beta 31.

3) With POV-Ray 3.6.1.c i have a big problem:

   * AppName: pvengine.exe AppVer:3.6.1.3 ModName:cmedit32.dll
     ModVer:3.6.1.3 Offset:0000ae20                            *

   ...and I am forced to close.

4) With MegaPOv 1.2.1:

   * EAccessViolation:EAccessViolation *

   ...then to remedy at the problem I need only press the Button *OK*.


My system: XP SP3, POV-Ray beta 32, 32 bit, SSE

....I have these problems. Only me?
(I feel like a fish out of water...) :-)

--
Carlo

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"Carlo C." <nomail@nomail> wrote in message 
news:web.49da6275710555cf33f5eb8b0@news.povray.org...
> "Carlo C." <nomail@nomail> wrote:
>> I have tried to change the "subsurface.pov" file in POV-Ray and I tried 
>> to save.
>> ....A window alert:
>>
>>    * An access violation exception was generated at address 0x10008455 *
>>
>> I have Windows XP SP3, POV-Ray beta 32, 32 bit no-SSE2 (pvengine.exe)
>>
>>
>> --
>> Carlo
>
> The summary of my situation:
>
> 1) I have a pov file in read only mode, I open it with the beta 32,
>   I try to save it:
>
>   * An access violation exception was generated at address 0x10008455 *
>
>   ...and I am forced to close.
>
> 2) Same result with the beta 31.
>
> 3) With POV-Ray 3.6.1.c i have a big problem:
>
>   * AppName: pvengine.exe AppVer:3.6.1.3 ModName:cmedit32.dll
>     ModVer:3.6.1.3 Offset:0000ae20                            *
>
>   ...and I am forced to close.
>
> 4) With MegaPOv 1.2.1:
>
>   * EAccessViolation:EAccessViolation *
>
>   ...then to remedy at the problem I need only press the Button *OK*.
>
>
> My system: XP SP3, POV-Ray beta 32, 32 bit, SSE
>
> ....I have these problems. Only me?
> (I feel like a fish out of water...) :-)

Dunno, in Vista I get the proper "Can't Overwrite Read-Only file messages"
In 3.6 and in 3.7 beta 32.
To set/clear the read-only attribute just select the file from windows,
right click properties, and use the check-boxes in the general tab.
I'm perty sure it's the same in XP.

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