Mailing List Archive: useless error message

useless error message

Aug 22, 2006, 11:56 PM

Post #1 of 12 (8368 views)

Hi,

I'm getting this email message when trying to load a page, however,
there's no version.pm anywhere that I'm aware of. Also, it doesn't tell
me what module is looking for it. Without knowing what module is looking
for it, it's really hard to debug. Any tips?

bootstrap/logs/error.log:[11184]ERR: 24: Error in Perl code: Can't
locate version.pm in @INC (@INC contains: modules
/var/www/bootstrap/lib/perl5/site_perl/5.8.5/i686-linux-thread-multi/
/var/www/bootstrap/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/
/usr/lib/perl5/5.8.5/i386-linux-thread-multi /usr/lib/perl5/5.8.5
/usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.4/i386-linux-thread-multi /usr/lib/
perl5/site_perl/5.8.3/i386-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.2/i386-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.1/i386-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.5 /usr/lib/perl5/site_perl/5.8.4
/usr/lib/perl5/site_perl/5.8.3 /usr/lib/perl5/site_perl/5.8.2
/usr/lib/perl5/site_perl/5.8.1 /usr/lib/perl5/site_perl/5.8.0
/usr/lib/perl5/site_perl
/usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi
/usr/lib/perl5/vendor_perl/5.8.4/i386-linux-thread-multi
/usr/lib/perl5/vendor_perl/5.8.3/i386-linux-thread-multi /usr/lib/perl

--
"You will never know how much it has cost my generation to preserve your
freedom. I hope you will make good use of it." -- John Quincy Adams

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RE: useless error message [ In reply to ]

richter at ecos

Aug 31, 2006, 8:54 PM

Post #2 of 12 (8176 views)

Permalink

Hi,
>
> I'm getting this email message when trying to load a page,
> however, there's no version.pm anywhere that I'm aware of.
> Also, it doesn't tell me what module is looking for it.
> Without knowing what module is looking for it, it's really
> hard to debug. Any tips?
>

Embperl itself doesn't use a version.pm. I guess it either some module or
page (maybe a typo).

I would do a grep -r to find where version.pm might get loaded.

Gerald

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Re: RE: useless error message [ In reply to ]

embperl at 7thfire

Oct 3, 2006, 1:13 PM

Post #3 of 12 (8118 views)

Permalink

On Fri, Sep 01, 2006 at 05:54:08AM +0200, Gerald Richter wrote:
> Hi,
> >
> > I'm getting this email message when trying to load a page,
> > however, there's no version.pm anywhere that I'm aware of.
> > Also, it doesn't tell me what module is looking for it.
> > Without knowing what module is looking for it, it's really
> > hard to debug. Any tips?
> >
>
> Embperl itself doesn't use a version.pm. I guess it either some module or
> page (maybe a typo).
>
> I would do a grep -r to find where version.pm might get loaded.

I am aware of that fact. The point is that the error message is useless,
because it doesn't tell me what is trying to use version.pm

>
> Gerald
>
>
>
>
> ** Virus checked by BB-5000 Mailfilter **

--
"You will never know how much it has cost my generation to preserve your
freedom. I hope you will make good use of it." -- John Quincy Adams

"Yes, we did produce a near-perfect republic. But will they keep it? Or will
they, in the enjoyment of plenty, lose the memory of freedom? Material
abundance without character is the path of destruction." -- Thomas Jefferson

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RE: RE: useless error message [ In reply to ]

richter at ecos

Oct 5, 2006, 9:33 PM

Post #4 of 12 (8118 views)

Permalink

Hi,
> > >
> > > I'm getting this email message when trying to load a
> page, however,
> > > there's no version.pm anywhere that I'm aware of.
> > > Also, it doesn't tell me what module is looking for it.
> > > Without knowing what module is looking for it, it's
> really hard to
> > > debug. Any tips?
> > >
> >
> > Embperl itself doesn't use a version.pm. I guess it either
> some module
> > or page (maybe a typo).
> >
> > I would do a grep -r to find where version.pm might get loaded.
>
> I am aware of that fact. The point is that the error message
> is useless, because it doesn't tell me what is trying to use
> version.pm
>
>

That is correct, but I can't tell you either...

Embperl just logs the error message it gets from Perl.

Gerald

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Re: RE: RE: useless error message [ In reply to ]

embperl at 7thfire

Oct 9, 2006, 9:51 AM

Post #5 of 12 (8071 views)

Permalink

hi,

On Fri, Oct 06, 2006 at 06:33:28AM +0200, Gerald Richter wrote:
> Hi,
> > > >
> > > > I'm getting this email message when trying to load a
> > page, however,
> > > > there's no version.pm anywhere that I'm aware of.
> > > > Also, it doesn't tell me what module is looking for it.
> > > > Without knowing what module is looking for it, it's
> > really hard to
> > > > debug. Any tips?
> > > >
> > >
> > > Embperl itself doesn't use a version.pm. I guess it either
> > some module
> > > or page (maybe a typo).
> > >
> > > I would do a grep -r to find where version.pm might get loaded.
> >
> > I am aware of that fact. The point is that the error message
> > is useless, because it doesn't tell me what is trying to use
> > version.pm
> >
> >
>
> That is correct, but I can't tell you either...
>
> Embperl just logs the error message it gets from Perl.

when running perl via the commandline, I never get an error where the
file from which the module is trying to be loaded is missing.

I would see something like:
BEGIN failed--compilation aborted at somemodule.pm line 243.

how come embperl is different? Are you sure it's not an embperl thing
(bug)?

-d

>
> Gerald
>
>
>
> ** Virus checked by BB-5000 Mailfilter **
>
>
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--
"You will never know how much it has cost my generation to preserve your
freedom. I hope you will make good use of it." -- John Quincy Adams

"Yes, we did produce a near-perfect republic. But will they keep it? Or will
they, in the enjoyment of plenty, lose the memory of freedom? Material
abundance without character is the path of destruction." -- Thomas Jefferson

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RE: RE: RE: useless error message [ In reply to ]

richter at ecos

Oct 11, 2006, 7:36 AM

Post #6 of 12 (8074 views)

Permalink

hi,
>
> On Fri, Oct 06, 2006 at 06:33:28AM +0200, Gerald Richter wrote:
> > Hi,
> > > > >
> > > > > I'm getting this email message when trying to load a
> > > page, however,
> > > > > there's no version.pm anywhere that I'm aware of.
> > > > > Also, it doesn't tell me what module is looking for it.
> > > > > Without knowing what module is looking for it, it's
> > > really hard to
> > > > > debug. Any tips?
> > > > >
> > > >
> > > > Embperl itself doesn't use a version.pm. I guess it either
> > > some module
> > > > or page (maybe a typo).
> > > >
> > > > I would do a grep -r to find where version.pm might get loaded.
> > >
> > > I am aware of that fact. The point is that the error message is
> > > useless, because it doesn't tell me what is trying to use
> version.pm
> > >
> > >
> >
> > That is correct, but I can't tell you either...
> >
> > Embperl just logs the error message it gets from Perl.
>
> when running perl via the commandline, I never get an error where the
> file from which the module is trying to be loaded is missing.
>
> I would see something like:
> BEGIN failed--compilation aborted at somemodule.pm line 243.
>
> how come embperl is different? Are you sure it's not an embperl thing
> (bug)?
>

Embperl does not have a version.pm. Doing a

locate version.pm

On my system, shows that version.pm is part of FCGI.

Do you use the FastCGI module anywhere?

Gerald

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Re: RE: RE: RE: useless error message [ In reply to ]

embperl at 7thfire

Oct 23, 2006, 10:29 AM

Post #7 of 12 (8051 views)

Permalink

On Wed, Oct 11, 2006 at 04:36:46PM +0200, Gerald Richter wrote:
> hi,
> >
> > On Fri, Oct 06, 2006 at 06:33:28AM +0200, Gerald Richter wrote:
> > > Hi,
> > > > > >
> > > > > > I'm getting this email message when trying to load a
> > > > page, however,
> > > > > > there's no version.pm anywhere that I'm aware of.
> > > > > > Also, it doesn't tell me what module is looking for it.
> > > > > > Without knowing what module is looking for it, it's
> > > > really hard to
> > > > > > debug. Any tips?
> > > > > >
> > > > >
> > > > > Embperl itself doesn't use a version.pm. I guess it either
> > > > some module
> > > > > or page (maybe a typo).
> > > > >
> > > > > I would do a grep -r to find where version.pm might get loaded.
> > > >
> > > > I am aware of that fact. The point is that the error message is
> > > > useless, because it doesn't tell me what is trying to use
> > version.pm
> > > >
> > > >
> > >
> > > That is correct, but I can't tell you either...
> > >
> > > Embperl just logs the error message it gets from Perl.
> >
> > when running perl via the commandline, I never get an error where the
> > file from which the module is trying to be loaded is missing.
> >
> > I would see something like:
> > BEGIN failed--compilation aborted at somemodule.pm line 243.
> >
> > how come embperl is different? Are you sure it's not an embperl thing
> > (bug)?
> >
>
> Embperl does not have a version.pm. Doing a
>
> locate version.pm
>
> On my system, shows that version.pm is part of FCGI.
>
> Do you use the FastCGI module anywhere?

Gerald, version.pm is not the issue. I have this happen with any module
not existing. Most of the time I know what the module is and where it
comes from, but I don't know what other files may be calling it.

My point is that perl by default will give the stack trace when calling
it from commandline, and embperl does not show it.

-d

>
> Gerald
>
>
>
> ** Virus checked by BB-5000 Mailfilter **
>
>
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--
"You will never know how much it has cost my generation to preserve your
freedom. I hope you will make good use of it." -- John Quincy Adams

"Yes, we did produce a near-perfect republic. But will they keep it? Or will
they, in the enjoyment of plenty, lose the memory of freedom? Material
abundance without character is the path of destruction." -- Thomas Jefferson

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RE: RE: RE: RE: useless error message [ In reply to ]

richter at ecos

Oct 23, 2006, 8:32 PM

Post #8 of 12 (8047 views)

Permalink

>
> My point is that perl by default will give the stack trace
> when calling it from commandline, and embperl does not show it.
>

Embperl passes through whatever Perl provides as error message.

You can set optShowBacktrace to get additional information about the
calltree within Embperl Execute calls

Gerald

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Re: RE: RE: RE: RE: useless error message [ In reply to ]

embperl at 7thfire

Jan 25, 2007, 9:20 PM

Post #9 of 12 (7825 views)

Permalink

Is there a CGI equivalent environmental variable to set?

On Tue, Oct 24, 2006 at 05:32:20AM +0200, Gerald Richter wrote:
> >
> > My point is that perl by default will give the stack trace
> > when calling it from commandline, and embperl does not show it.
> >
>
> Embperl passes through whatever Perl provides as error message.
>
> You can set optShowBacktrace to get additional information about the
> calltree within Embperl Execute calls
>
> Gerald
>
>
>
> ** Virus checked by BB-5000 Mailfilter **
>
>
> ---------------------------------------------------------------------
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> For additional commands, e-mail: embperl-help@perl.apache.org

--
"You will never know how much it has cost my generation to preserve your
freedom. I hope you will make good use of it." -- John Quincy Adams

"Yes, we did produce a near-perfect republic. But will they keep it? Or will
they, in the enjoyment of plenty, lose the memory of freedom? Material
abundance without character is the path of destruction." -- Thomas Jefferson

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RE: Re: RE: RE: RE: RE: useless error message [ In reply to ]

richter at ecos

Jan 26, 2007, 1:46 AM

Post #10 of 12 (7825 views)

Permalink

>
> Is there a CGI equivalent environmental variable to set?
>

It's in EMBPERL_OPTIONS, you should look up the right numeric value from
the docs

Gerald

>
> On Tue, Oct 24, 2006 at 05:32:20AM +0200, Gerald Richter wrote:
> > >
> > > My point is that perl by default will give the stack trace when
> > > calling it from commandline, and embperl does not show it.
> > >
> >
> > Embperl passes through whatever Perl provides as error message.
> >
> > You can set optShowBacktrace to get additional information
> about the
> > calltree within Embperl Execute calls
> >
> > Gerald
> >
> >
> >
> > ** Virus checked by BB-5000 Mailfilter **
> >
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: embperl-unsubscribe@perl.apache.org
> > For additional commands, e-mail: embperl-help@perl.apache.org
>
> --
> "You will never know how much it has cost my generation to
> preserve your freedom. I hope you will make good use of it."
> -- John Quincy Adams
>
> "Yes, we did produce a near-perfect republic. But will they
> keep it? Or will they, in the enjoyment of plenty, lose the
> memory of freedom? Material abundance without character is
> the path of destruction." -- Thomas Jefferson
>
>
> ** Virus checked by BB-5000 Mailfilter **
> !DSPAM:45b98fbb299752076612602!
>
>

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Re: RE: Re: RE: RE: RE: RE: useless error message [ In reply to ]

embperl at 7thfire

Jan 26, 2007, 10:09 AM

Post #11 of 12 (7810 views)

Permalink

Thanks Gerald, but I don't seem to get it working:

using lighttpd

setenv.add-environment = (
"EMBPERL_SESSION_HANDLER_CLASS" => "no",
"EMBPERL_ESCMODE" => "0",
"EMBPERL_OPTIONS" => "0x8000000", #optShowBacktrace = 0x8000000
"EMBPERL_INPUT_ESCMODE" => "0",
"GATEWAY_INTERFACE" => "1",
)

I put in my footer.epl "use noexists" which gets called by my index.epl

[13151]ERR: 24: Error in Perl code: Can't locate noexists.pm in @INC (@INC
contains: /usr/local/lib/perl5/site_perl/
/usr/local/lib/perl5/5.8.4//i686-linux-thread-multi
/usr/local/lib/perl5/5.8.4/
/usr/local/lib/perl5/5.8.4/i686-linux-thread-multi
/usr/local/lib/perl5/5.8.4 /usr/local/lib/perl5

as you can see, there's no mention of footer.epl in the error message.

Doing a print Dumper \%ENV in footer.epl does show
'EMBPERL_OPTIONS' => '0x8000000'
so the environmental variable is getting set.

any ideas?

-d

On Fri, Jan 26, 2007 at 10:46:49AM +0100, Richter, Gerald wrote:
> >
> > Is there a CGI equivalent environmental variable to set?
> >
>
> It's in EMBPERL_OPTIONS, you should look up the right numeric value from
> the docs
>
> Gerald
>
>
> >
> > On Tue, Oct 24, 2006 at 05:32:20AM +0200, Gerald Richter wrote:
> > > >
> > > > My point is that perl by default will give the stack trace when
> > > > calling it from commandline, and embperl does not show it.
> > > >
> > >
> > > Embperl passes through whatever Perl provides as error message.
> > >
> > > You can set optShowBacktrace to get additional information
> > about the
> > > calltree within Embperl Execute calls
> > >
> > > Gerald
> > >
> > >
> > >
> > > ** Virus checked by BB-5000 Mailfilter **
> > >
> > >
> > >
> > ---------------------------------------------------------------------
> > > To unsubscribe, e-mail: embperl-unsubscribe@perl.apache.org
> > > For additional commands, e-mail: embperl-help@perl.apache.org
> >
> > --
> > "You will never know how much it has cost my generation to
> > preserve your freedom. I hope you will make good use of it."
> > -- John Quincy Adams
> >
> > "Yes, we did produce a near-perfect republic. But will they
> > keep it? Or will they, in the enjoyment of plenty, lose the
> > memory of freedom? Material abundance without character is
> > the path of destruction." -- Thomas Jefferson
> >
> >
> > ** Virus checked by BB-5000 Mailfilter **
> > !DSPAM:45b98fbb299752076612602!
> >
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: embperl-unsubscribe@perl.apache.org
> For additional commands, e-mail: embperl-help@perl.apache.org

--
"You will never know how much it has cost my generation to preserve your
freedom. I hope you will make good use of it." -- John Quincy Adams

"Yes, we did produce a near-perfect republic. But will they keep it? Or will
they, in the enjoyment of plenty, lose the memory of freedom? Material
abundance without character is the path of destruction." -- Thomas Jefferson

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RE: Re: RE: Re: RE: RE: RE: RE: useless error message [ In reply to ]

richter at ecos

Feb 1, 2007, 7:08 AM

Post #12 of 12 (7783 views)

Permalink

Hi,

What happens if you put a runtime error in (like $a = 5 ; $a = $a / 0 ). Does it show a backtrace now?

Gerald

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> -----Original Message-----
> From: Daniel [mailto:embperl@7thfire.com]
> Sent: Friday, January 26, 2007 7:10 PM
> To: Richter, Gerald
> Cc: embperl
> Subject: Re: RE: Re: RE: RE: RE: RE: useless error message
>
> Thanks Gerald, but I don't seem to get it working:
>
> using lighttpd
>
> setenv.add-environment = (
> "EMBPERL_SESSION_HANDLER_CLASS" => "no",
> "EMBPERL_ESCMODE" => "0",
> "EMBPERL_OPTIONS" => "0x8000000", #optShowBacktrace =
> 0x8000000
> "EMBPERL_INPUT_ESCMODE" => "0",
> "GATEWAY_INTERFACE" => "1",
> )
>
> I put in my footer.epl "use noexists" which gets called by my
> index.epl
>
> [13151]ERR: 24: Error in Perl code: Can't locate noexists.pm
> in @INC (@INC
> contains: /usr/local/lib/perl5/site_perl/
> /usr/local/lib/perl5/5.8.4//i686-linux-thread-multi
> /usr/local/lib/perl5/5.8.4/
> /usr/local/lib/perl5/5.8.4/i686-linux-thread-multi
> /usr/local/lib/perl5/5.8.4 /usr/local/lib/perl5
>
>
> as you can see, there's no mention of footer.epl in the error message.
>
> Doing a print Dumper \%ENV in footer.epl does show
> 'EMBPERL_OPTIONS' => '0x8000000'
> so the environmental variable is getting set.
>
> any ideas?
>
> -d
>
>
> On Fri, Jan 26, 2007 at 10:46:49AM +0100, Richter, Gerald wrote:
> > >
> > > Is there a CGI equivalent environmental variable to set?
> > >
> >
> > It's in EMBPERL_OPTIONS, you should look up the right numeric value
> > from the docs
> >
> > Gerald
> >
> >
> > >
> > > On Tue, Oct 24, 2006 at 05:32:20AM +0200, Gerald Richter wrote:
> > > > >
> > > > > My point is that perl by default will give the stack
> trace when
> > > > > calling it from commandline, and embperl does not show it.
> > > > >
> > > >
> > > > Embperl passes through whatever Perl provides as error message.
> > > >
> > > > You can set optShowBacktrace to get additional information
> > > about the
> > > > calltree within Embperl Execute calls
> > > >
> > > > Gerald
> > > >
> > > >
> > > >
> > > > ** Virus checked by BB-5000 Mailfilter **
> > > >
> > > >
> > > >
> > >
> --------------------------------------------------------------------
> > > -
> > > > To unsubscribe, e-mail: embperl-unsubscribe@perl.apache.org
> > > > For additional commands, e-mail: embperl-help@perl.apache.org
> > >
> > > --
> > > "You will never know how much it has cost my generation
> to preserve
> > > your freedom. I hope you will make good use of it."
> > > -- John Quincy Adams
> > >
> > > "Yes, we did produce a near-perfect republic. But will
> they keep it?
> > > Or will they, in the enjoyment of plenty, lose the memory of
> > > freedom? Material abundance without character is the path of
> > > destruction." -- Thomas Jefferson
> > >
> > >
> > > ** Virus checked by BB-5000 Mailfilter **
> > > !DSPAM:45b98fbb299752076612602!
> > >
> > >
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: embperl-unsubscribe@perl.apache.org
> > For additional commands, e-mail: embperl-help@perl.apache.org
>
> --
> "You will never know how much it has cost my generation to
> preserve your freedom. I hope you will make good use of it."
> -- John Quincy Adams
>
> "Yes, we did produce a near-perfect republic. But will they
> keep it? Or will they, in the enjoyment of plenty, lose the
> memory of freedom? Material abundance without character is
> the path of destruction." -- Thomas Jefferson
>
>
> ** Virus checked by BB-5000 Mailfilter **
> !DSPAM:45ba4403205531503482860!
>
>

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