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comp.lang.ruby

failed to map segment from shared object: Operation not permitted

Tristin Davis

7/4/2008 3:46:00 AM

[Note: parts of this message were removed to make it a legal post.]

I'm writing a ruby wrapper for a proprietary api. I compiled it, but when I
require it in irb i get the following error. I'm stumped as to why its
throwing this error. Anyone help?

irb(main):001:0> require 'metadata'
LoadError: ./metadata.so: failed to map segment from shared object:
Operation not permitted - ./metadata.so
from ./metadata.so
from (irb):1


=cut

#include <ruby.h>
#include "mdc.h"

/* Module and class names */
static VALUE md_mMetadata;
static VALUE md_cClientAPI;

VALUE
md_initialize(int argc, VALUE *argv, VALUE self)
{
VALUE login, password, server, table_name, table_version;

rb_scan_args(argc, argv, "41", &login, &password, &server,
&table_name, &table_version);

if(NIL_P(table_version)) {
rb_iv_set( self, "@table_version", Qnil );
}

rb_iv_set(self, "@login", rb_funcall(login, rb_intern("to_s"), 0) );
rb_iv_set(self, "@password", rb_funcall(password, rb_intern("to_s"),
0) );
rb_iv_set(self, "@server", rb_funcall(server, rb_intern("to_s"), 0) );

rb_iv_set(self, "@table_name", rb_funcall(table_name,
rb_intern("to_s"),0) );

return self;

}


void Init_metadata() {
md_mMetadata = rb_define_module("Metadata");
md_cClientAPI = rb_define_class_under(md_mMetadata, "ClientAPI",
rb_cObject);

rb_define_method(md_cClientAPI, "initialize", md_initialize, 4);

}

4 Answers

Tim Pease

7/4/2008 4:02:00 AM

0

On Jul 3, 2008, at 9:46 PM, Tristin Davis wrote:

> I'm writing a ruby wrapper for a proprietary api. I compiled it,
> but when I
> require it in irb i get the following error. I'm stumped as to why
> its
> throwing this error. Anyone help?
>
> irb(main):001:0> require 'metadata'
> LoadError: ./metadata.so: failed to map segment from shared object:
> Operation not permitted - ./metadata.so
> from ./metadata.so
> from (irb):1

Are you compiling the code as one user and attempting to use it from a
different user account? The "Operation not permitted" usually refers
to a permissions problem.

Found this link ...

<http://citydesknews.com/FogBugz/KB/errors/fogutil.sofailedtomapsegm.html...
>

Give the "restorecon" method a shot.

Oh, and this link might shed some light as well ...

<http://objectmix.com/tcl/34666-failed-map-segment-shared-object-operation-not-perm...
>

Blessings,
TwP

Tristin Davis

7/4/2008 5:18:00 AM

0

[Note: parts of this message were removed to make it a legal post.]

I tried it the solution in the 1st link, but it didn't help.

On Thu, Jul 3, 2008 at 11:01 PM, Tim Pease <tim.pease@gmail.com> wrote:

> On Jul 3, 2008, at 9:46 PM, Tristin Davis wrote:
>
> I'm writing a ruby wrapper for a proprietary api. I compiled it, but when
>> I
>> require it in irb i get the following error. I'm stumped as to why its
>> throwing this error. Anyone help?
>>
>> irb(main):001:0> require 'metadata'
>> LoadError: ./metadata.so: failed to map segment from shared object:
>> Operation not permitted - ./metadata.so
>> from ./metadata.so
>> from (irb):1
>>
>
> Are you compiling the code as one user and attempting to use it from a
> different user account? The "Operation not permitted" usually refers to a
> permissions problem.
>
> Found this link ...
>
> <
> http://citydesknews.com/FogBugz/KB/errors/fogutil.sofailedtomapsegm.html...
> >
>
> Give the "restorecon" method a shot.
>
> Oh, and this link might shed some light as well ...
>
> <
> http://objectmix.com/tcl/34666-failed-map-segment-shared-object-operation-not-perm...
> >
>
> Blessings,
> TwP
>
>

Tristin Davis

7/4/2008 6:56:00 PM

0

[Note: parts of this message were removed to make it a legal post.]

I"m on Ubuntu 4.2.3-2ubuntu7.

Anyone else have any suggestions. I've checked and rechecked the code. I
can't find anything wrong at all.

On Fri, Jul 4, 2008 at 12:17 AM, Tristin Davis <tristin.colby@gmail.com>
wrote:

> I tried it the solution in the 1st link, but it didn't help.
>
> On Thu, Jul 3, 2008 at 11:01 PM, Tim Pease <tim.pease@gmail.com> wrote:
>
> > On Jul 3, 2008, at 9:46 PM, Tristin Davis wrote:
> >
> > I'm writing a ruby wrapper for a proprietary api. I compiled it, but
> when
> >> I
> >> require it in irb i get the following error. I'm stumped as to why its
> >> throwing this error. Anyone help?
> >>
> >> irb(main):001:0> require 'metadata'
> >> LoadError: ./metadata.so: failed to map segment from shared object:
> >> Operation not permitted - ./metadata.so
> >> from ./metadata.so
> >> from (irb):1
> >>
> >
> > Are you compiling the code as one user and attempting to use it from a
> > different user account? The "Operation not permitted" usually refers to a
> > permissions problem.
> >
> > Found this link ...
> >
> > <
> >
> http://citydesknews.com/FogBugz/KB/errors/fogutil.sofailedtomapsegm.html...
> > >
> >
> > Give the "restorecon" method a shot.
> >
> > Oh, and this link might shed some light as well ...
> >
> > <
> >
> http://objectmix.com/tcl/34666-failed-map-segment-shared-object-operation-not-perm...
> > >
> >
> > Blessings,
> > TwP
> >
> >
>

Tristin Davis

7/4/2008 7:01:00 PM

0

[Note: parts of this message were removed to make it a legal post.]

Nevermind, I figured it out. I'm running working off of a flash drive and I
guess by default, Ubuntu mounts it with the noexec option.


/dev/sdb1 on /media/ext type vfat (rw,noexec,nosuid,nodev)


Moving it to another directory fixed it.


On Fri, Jul 4, 2008 at 1:55 PM, Tristin Davis <tristin.colby@gmail.com>
wrote:

> I"m on Ubuntu 4.2.3-2ubuntu7.
>
> Anyone else have any suggestions. I've checked and rechecked the code. I
> can't find anything wrong at all.
>
> On Fri, Jul 4, 2008 at 12:17 AM, Tristin Davis <tristin.colby@gmail.com>
> wrote:
>
> > I tried it the solution in the 1st link, but it didn't help.
> >
> > On Thu, Jul 3, 2008 at 11:01 PM, Tim Pease <tim.pease@gmail.com> wrote:
> >
> > > On Jul 3, 2008, at 9:46 PM, Tristin Davis wrote:
> > >
> > > I'm writing a ruby wrapper for a proprietary api. I compiled it, but
> > when
> > >> I
> > >> require it in irb i get the following error. I'm stumped as to why
> its
> > >> throwing this error. Anyone help?
> > >>
> > >> irb(main):001:0> require 'metadata'
> > >> LoadError: ./metadata.so: failed to map segment from shared object:
> > >> Operation not permitted - ./metadata.so
> > >> from ./metadata.so
> > >> from (irb):1
> > >>
> > >
> > > Are you compiling the code as one user and attempting to use it from a
> > > different user account? The "Operation not permitted" usually refers to
> a
> > > permissions problem.
> > >
> > > Found this link ...
> > >
> > > <
> > >
> >
> http://citydesknews.com/FogBugz/KB/errors/fogutil.sofailedtomapsegm.html...
> > > >
> > >
> > > Give the "restorecon" method a shot.
> > >
> > > Oh, and this link might shed some light as well ...
> > >
> > > <
> > >
> >
> http://objectmix.com/tcl/34666-failed-map-segment-shared-object-operation-not-perm...
> > > >
> > >
> > > Blessings,
> > > TwP
> > >
> > >
> >
>