the white screen of death

[gimperdaniel]

More often that I would like to I get the "white screen of death",
which tells me something is wrong with my cold. Is there a way to get
printed errors? instead of the white screen?
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[jacmoe]

Open app/config/core.php and set the debug level to 1 or 2. :)

On Nov 6, 4:16 pm, "gimperdan...@..." <gimperdan...@...>
wrote:
> More often that I would like to I get the "white screen of death",
> which tells me something is wrong with my cold. Is there a way to get
> printed errors? instead of the white screen?
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[Céryl]

In addition, if the debug level is 2 you can add debug($variable)
(Either in controller or view) to your code to check that var... So
you can see if it's an improperly set variable that causes you to
white-out...

On 6 nov, 21:00, jacmoe <jac...@...> wrote:
> Open app/config/core.php and set the debug level to 1 or 2. :)
>
> On Nov 6, 4:16 pm, "gimperdan...@..." <gimperdan...@...>
> wrote:
>
> > More often that I would like to I get the "white screen of death",
> > which tells me something is wrong with my cold. Is there a way to get
> > printed errors? instead of the white screen?
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[gimperdaniel]

Yep,

I already do debug($variable), but when code gets long, it can get
pretty frustrating to test everything. Not to mention that if I get
the white screen than I can't see anything including debug(var).

My debug option is set to 3. Which is the max, but it doesn't change
anything.


On Nov 6, 3:14 pm, Céryl <c.a.h.wilt...@...> wrote:

> In addition, if the debug level is 2 you can add debug($variable)
> (Either in controller or view) to your code to check that var... So
> you can see if it's an improperly set variable that causes you to
> white-out...
>
> On 6 nov, 21:00, jacmoe <jac...@...> wrote:
>
> > Open app/config/core.php and set the debug level to 1 or 2. :)
>
> > On Nov 6, 4:16 pm, "gimperdan...@..." <gimperdan...@...>
> > wrote:
>
> > > More often that I would like to I get the "white screen of death",
> > > which tells me something is wrong with my cold. Is there a way to get
> > > printed errors? instead of the white screen?

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[Tonu Tusk]

OK, I doubt this will be of too much help, but the main causes of WSOD
I have encountered have been models not being declared in a
controllers $uses var
(where a controller is using other than its standard related model)

OR some bad relationships declared in model classes

(I am still a bit unsure of it all, but if i had model A hasOne modelB
and modelB belongs to modelA, that really seems to bomb things out for
me even though it seems quite intuitive to do so)

Oh yeah, and on one of my other recent posts I was getting random WSOD
which turned out to be mod_security installed on my shared host which
did not seem to like the combination of either large or a large number
of input in post data in combination with being routed through
mod_rewrite.

Go figure.

Has anyone else got any "d'oh" obvious and common errors which have
led to WSOD to share?


On Nov 6, 9:04 pm, "gimperdan...@..." <gimperdan...@...>
wrote:

> Yep,
>
> I already do debug($variable), but when code gets long, it can get
> pretty frustrating to test everything. Not to mention that if I get
> the white screen than I can't see anything including debug(var).
>
> My debug option is set to 3. Which is the max, but it doesn't change
> anything.
>
> On Nov 6, 3:14 pm, Céryl <c.a.h.wilt...@...> wrote:
>
> > In addition, if the debug level is 2 you can add debug($variable)
> > (Either in controller or view) to your code to check that var... So
> > you can see if it's an improperly set variable that causes you to
> > white-out...
>
> > On 6 nov, 21:00, jacmoe <jac...@...> wrote:
>
> > > Open app/config/core.php and set the debug level to 1 or 2. :)
>
> > > On Nov 6, 4:16 pm, "gimperdan...@..." <gimperdan...@...>
> > > wrote:
>
> > > > More often that I would like to I get the "white screen of death",
> > > > which tells me something is wrong with my cold. Is there a way to get
> > > > printed errors? instead of the white screen?

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[Pedro Nascimento]

I got one after copying some config options on files as database.php, core.php and app_controller.php using wrong symbols such as ` instead of '. It's a stupid mistake, but I have done it once or twice already. :>

On Fri, Nov 6, 2009 at 20:08, Tonu Tusk <lvotusk@...> wrote:

OK, I doubt this will be of too much help, but the main causes of WSOD
I have encountered have been models not being declared in a
controllers $uses var
(where a controller is using other than its standard related model)

OR some bad relationships declared in model classes

(I am still a bit unsure of it all, but if i had model A hasOne modelB
and modelB belongs to modelA, that really seems to bomb things out for
me even though it seems quite intuitive to do so)

Oh yeah, and on one of my other recent posts I was getting random WSOD
which turned out to be mod_security installed on my shared host which
did not seem to like the combination of either large or a large number
of input in post data in combination with being routed through
mod_rewrite.

Go figure.

Has anyone else got any "d'oh" obvious and common errors which have
led to WSOD to share?


On Nov 6, 9:04 pm, "gimperdan...@..." <gimperdan...@...>

wrote:
> Yep,
>
> I already do debug($variable), but when code gets long, it can get
> pretty frustrating to test everything. Not to mention that if I get
> the white screen than I can't see anything including debug(var).
>
> My debug option is set to 3. Which is the max, but it doesn't change
> anything.
>
> On Nov 6, 3:14 pm, Céryl <c.a.h.wilt...@...> wrote:
>
> > In addition, if the debug level is 2 you can add debug($variable)
> > (Either in controller or view) to your code to check that var... So
> > you can see if it's an improperly set variable that causes you to
> > white-out...
>
> > On 6 nov, 21:00, jacmoe <jac...@...> wrote:
>
> > > Open app/config/core.php and set the debug level to 1 or 2. :)
>
> > > On Nov 6, 4:16 pm, "gimperdan...@..." <gimperdan...@...>
> > > wrote:
>
> > > > More often that I would like to I get the "white screen of death",
> > > > which tells me something is wrong with my cold. Is there a way to get
> > > > printed errors? instead of the white screen?

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[Bruno Bergher]

From previous experience the main cause for this is when
debug_backtrace() is called, in the global debug() declaration
(basics.php:114).
It chokes with undefined variables (in some installations, such MAMP,
this is a pain) and sometimes with very deep associative arrays.

This message is not too helpful since I have no idea how to solve
this, other than using var_dump() or print_r() in WSOD situations.


On Nov 6, 8:28 pm, Pedro Nascimento <pnascime...@...> wrote:

> I got one after copying some config options on files as database.php,
> core.php and app_controller.php using wrong symbols such as ` instead of '.
> It's a stupid mistake, but I have done it once or twice already. :>
>
> On Fri, Nov 6, 2009 at 20:08, Tonu Tusk <lvot...@...> wrote:
>
> > OK, I doubt this will be of too much help, but the main causes of WSOD
> > I have encountered have been models not being declared in a
> > controllers $uses var
> > (where a controller is using other than its standard related model)
>
> > OR some bad relationships declared in model classes
>
> > (I am still a bit unsure of it all, but if i had model A hasOne modelB
> > and modelB belongs to modelA, that really seems to bomb things out for
> > me even though it seems quite intuitive to do so)
>
> > Oh yeah, and on one of my other recent posts I was getting random WSOD
> > which turned out to be mod_security installed on my shared host which
> > did not seem to like the combination of either large or a large number
> > of input in post data in combination with being routed through
> > mod_rewrite.
>
> > Go figure.
>
> > Has anyone else got any "d'oh" obvious and common errors which have
> > led to WSOD to share?
>
> > On Nov 6, 9:04 pm, "gimperdan...@..." <gimperdan...@...>
> > wrote:
> > > Yep,
>
> > > I already do debug($variable), but when code gets long, it can get
> > > pretty frustrating to test everything. Not to mention that if I get
> > > the white screen than I can't see anything including debug(var).
>
> > > My debug option is set to 3. Which is the max, but it doesn't change
> > > anything.
>
> > > On Nov 6, 3:14 pm, Céryl <c.a.h.wilt...@...> wrote:
>
> > > > In addition, if the debug level is 2 you can add debug($variable)
> > > > (Either in controller or view) to your code to check that var... So
> > > > you can see if it's an improperly set variable that causes you to
> > > > white-out...
>
> > > > On 6 nov, 21:00, jacmoe <jac...@...> wrote:
>
> > > > > Open app/config/core.php and set the debug level to 1 or 2. :)
>
> > > > > On Nov 6, 4:16 pm, "gimperdan...@..." <gimperdan...@...>
> > > > > wrote:
>
> > > > > > More often that I would like to I get the "white screen of death",
> > > > > > which tells me something is wrong with my cold. Is there a way to
> > get
> > > > > > printed errors? instead of the white screen?

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[bradmaxs]

So many times that I get the WSOD it is because I have forgotten to
add a ) at the end of a line or there are too many.

On Nov 7, 4:53 am, Bruno Bergher <bruno.berg...@...> wrote:

> From previous experience the main cause for this is when
> debug_backtrace() is called, in the global debug() declaration
> (basics.php:114).
> It chokes with undefined variables (in some installations, such MAMP,
> this is a pain) and sometimes with very deep associative arrays.
>
> This message is not too helpful since I have no idea how to solve
> this, other than using var_dump() or print_r() in WSOD situations.
>
> On Nov 6, 8:28 pm, Pedro Nascimento <pnascime...@...> wrote:
>
> > I got one after copying some config options on files as database.php,
> > core.php and app_controller.php using wrong symbols such as ` instead of '.
> > It's a stupid mistake, but I have done it once or twice already. :>
>
> > On Fri, Nov 6, 2009 at 20:08, Tonu Tusk <lvot...@...> wrote:
>
> > > OK, I doubt this will be of too much help, but the main causes of WSOD
> > > I have encountered have been models not being declared in a
> > > controllers $uses var
> > > (where a controller is using other than its standard related model)
>
> > > OR some bad relationships declared in model classes
>
> > > (I am still a bit unsure of it all, but if i had model A hasOne modelB
> > > and modelB belongs to modelA, that really seems to bomb things out for
> > > me even though it seems quite intuitive to do so)
>
> > > Oh yeah, and on one of my other recent posts I was getting random WSOD
> > > which turned out to be mod_security installed on my shared host which
> > > did not seem to like the combination of either large or a large number
> > > of input in post data in combination with being routed through
> > > mod_rewrite.
>
> > > Go figure.
>
> > > Has anyone else got any "d'oh" obvious and common errors which have
> > > led to WSOD to share?
>
> > > On Nov 6, 9:04 pm, "gimperdan...@..." <gimperdan...@...>
> > > wrote:
> > > > Yep,
>
> > > > I already do debug($variable), but when code gets long, it can get
> > > > pretty frustrating to test everything. Not to mention that if I get
> > > > the white screen than I can't see anything including debug(var).
>
> > > > My debug option is set to 3. Which is the max, but it doesn't change
> > > > anything.
>
> > > > On Nov 6, 3:14 pm, Céryl <c.a.h.wilt...@...> wrote:
>
> > > > > In addition, if the debug level is 2 you can add debug($variable)
> > > > > (Either in controller or view) to your code to check that var... So
> > > > > you can see if it's an improperly set variable that causes you to
> > > > > white-out...
>
> > > > > On 6 nov, 21:00, jacmoe <jac...@...> wrote:
>
> > > > > > Open app/config/core.php and set the debug level to 1 or 2. :)
>
> > > > > > On Nov 6, 4:16 pm, "gimperdan...@..." <gimperdan...@...>
> > > > > > wrote:
>
> > > > > > > More often that I would like to I get the "white screen of death",
> > > > > > > which tells me something is wrong with my cold. Is there a way to
> > > get
> > > > > > > printed errors? instead of the white screen?

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[Crazy-2]

Most of the time when I get this it is because of syntax errors.

As I mostly work on dedicated linux box, I just open a putty window
and do a tail -f of /var/logs/httpd/error_log and the cake error log
for all the $this->log(); in my code.

I have found that to be the best way to debug, as you will not always
be able 'see' something. I had this happen when I made  'site to site'
communication with xml where there was no interaction with a browser.
The trick is to add enough logging :)

On Nov 7, 6:45 pm, bradmaxs <b...@...> wrote:

> So many times that I get the WSOD it is because I have forgotten to
> add a ) at the end of a line or there are too many.
>
> On Nov 7, 4:53 am, Bruno Bergher <bruno.berg...@...> wrote:
>
> > From previous experience the main cause for this is when
> > debug_backtrace() is called, in the global debug() declaration
> > (basics.php:114).
> > It chokes with undefined variables (in some installations, such MAMP,
> > this is a pain) and sometimes with very deep associative arrays.
>
> > This message is not too helpful since I have no idea how to solve
> > this, other than using var_dump() or print_r() in WSOD situations.
>
> > On Nov 6, 8:28 pm, Pedro Nascimento <pnascime...@...> wrote:
>
> > > I got one after copying some config options on files as database.php,
> > > core.php and app_controller.php using wrong symbols such as ` instead of '.
> > > It's a stupid mistake, but I have done it once or twice already. :>
>
> > > On Fri, Nov 6, 2009 at 20:08, Tonu Tusk <lvot...@...> wrote:
>
> > > > OK, I doubt this will be of too much help, but the main causes of WSOD
> > > > I have encountered have been models not being declared in a
> > > > controllers $uses var
> > > > (where a controller is using other than its standard related model)
>
> > > > OR some bad relationships declared in model classes
>
> > > > (I am still a bit unsure of it all, but if i had model A hasOne modelB
> > > > and modelB belongs to modelA, that really seems to bomb things out for
> > > > me even though it seems quite intuitive to do so)
>
> > > > Oh yeah, and on one of my other recent posts I was getting random WSOD
> > > > which turned out to be mod_security installed on my shared host which
> > > > did not seem to like the combination of either large or a large number
> > > > of input in post data in combination with being routed through
> > > > mod_rewrite.
>
> > > > Go figure.
>
> > > > Has anyone else got any "d'oh" obvious and common errors which have
> > > > led to WSOD to share?
>
> > > > On Nov 6, 9:04 pm, "gimperdan...@..." <gimperdan...@...>
> > > > wrote:
> > > > > Yep,
>
> > > > > I already do debug($variable), but when code gets long, it can get
> > > > > pretty frustrating to test everything. Not to mention that if I get
> > > > > the white screen than I can't see anything including debug(var).
>
> > > > > My debug option is set to 3. Which is the max, but it doesn't change
> > > > > anything.
>
> > > > > On Nov 6, 3:14 pm, Céryl <c.a.h.wilt...@...> wrote:
>
> > > > > > In addition, if the debug level is 2 you can add debug($variable)
> > > > > > (Either in controller or view) to your code to check that var... So
> > > > > > you can see if it's an improperly set variable that causes you to
> > > > > > white-out...
>
> > > > > > On 6 nov, 21:00, jacmoe <jac...@...> wrote:
>
> > > > > > > Open app/config/core.php and set the debug level to 1 or 2. :)
>
> > > > > > > On Nov 6, 4:16 pm, "gimperdan...@..." <gimperdan...@...>
> > > > > > > wrote:
>
> > > > > > > > More often that I would like to I get the "white screen of death",
> > > > > > > > which tells me something is wrong with my cold. Is there a way to
> > > > get
> > > > > > > > printed errors? instead of the white screen?

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