silence_stderr fails trying to create /dev/null
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Key: JRUBY-2125
URL: http://jira.codehaus.org/browse/JRUBY-2125
Project: JRuby
Issue Type: Bug
Components: Extensions
Affects Versions: JRuby 1.1RC2
Environment: OpenSolaris (snv_79b, SXDE 1/08)
Reporter: Mike Gerdts
I was trying to follow
http://blogs.sun.com/arungupta/entry/totd_24_getting_started_with, adjusted for
RC2.
$ jruby script/server
/export/home/notroot/jruby-1.1RC2/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/core_ext/kernel/reporting.rb:26:in
`silence_stderr': Permission denied (IOError)
from
/export/home/notroot/jruby-1.1RC2/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/core_ext/kernel/reporting.rb:26
from
/export/home/notroot/jruby-1.1RC2/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/server.rb:20:in
`require'
from
/export/home/notroot/jruby-1.1RC2/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`require'
from script/server:3
Using truss, I found that just before the Permission Denied error it tried to
create /dev/null (rather than simply open it).
2856/2: open64("/dev/null", O_RDWR|O_CREAT|O_EXCL, 0666) Err#13 EACCES
[ALL]
/export/home/notroot/jruby-1.1RC2/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/core_ext/kernel/reporting.rb:26:in
`silence_stderr'
>From open(2):
O_EXCL
If O_CREAT and O_EXCL are set, open() fails if the file
exists. The check for the existence of the file and the
creation of the file if it does not exist is atomic with
respect to other threads executing open() naming the
same filename in the same directory with O_EXCL and
O_CREAT set. If O_EXCL and O_CREAT are set, and path
names a symbolic link, open() fails and sets errno to
EEXIST, regardless of the contents of the symbolic link.
If O_EXCL is set and O_CREAT is not set, the result is
undefined.
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