# Net/pop error in Ruby 1.9

**URL:** <https://www.ruby-forum.com/t/net-pop-error-in-ruby-1-9/82345>\
**Category:** Development\
**Created:** [January 19, 2007, 4:29pm UTC](https://www.ruby-forum.com/t/net-pop-error-in-ruby-1-9/82345 "2007-01-19T16:29:28Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [January 19, 2007, 4:29pm UTC](https://www.ruby-forum.com/t/net-pop-error-in-ruby-1-9/82345/1 "2007-01-19T16:29:28Z")

</div>

e$B=uED$G$9!#e(B  
Net::POP3.start e$B$Ge(B NoMethodError e$B$,$G$^$9!#e(B

$ cat x.rb  
require ‘net/pop’  
pwd = ‘XXXXX’  
Net::POP3.start( ‘SERVER’, 110, ‘USER’, pwd ) do |ses|  
end

$ ruby19 x.rb  
/usr/local/lib/ruby/1.9/net/protocol.rb:66:in `closed?': \ undefined method`closed?’ for true:TrueClass (NoMethodError)  
from /usr/local/lib/ruby/1.9/net/pop.rb:575:in `do_finish' from /usr/local/lib/ruby/1.9/net/pop.rb:510:in`ensure in start’  
from /usr/local/lib/ruby/1.9/net/pop.rb:510:in `start' from /usr/local/lib/ruby/1.9/net/pop.rb:382:in`start’  
from x.rb:3:in `’

$ ruby19 -v  
ruby 1.9.0 (2007-01-10 patchlevel 0) [i686-linux]

e$B=uED2m5\*e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [January 19, 2007, 4:31pm UTC](https://www.ruby-forum.com/t/net-pop-error-in-ruby-1-9/82345/2 "2007-01-19T16:31:49Z")

</div>

e$B@DLZ$G$9!#e(B

In mail “[ruby-dev:30126] net/pop error in Ruby 1.9”  
Masaki S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> e$B=uED$G$9!#e(B  
> Net::POP3.start e$B$Ge(B NoMethodError e$B$,$G$^$9!#e(B

> $ ruby19 x.rb  
> /usr/local/lib/ruby/1.9/net/protocol.rb:66:in `closed?': \ undefined method `closed?’ for true:TrueClass (NoMethodError)

e$B$?$V$se(B YARV e$B$,%^!\<%8$5$l$?$H$-$@$H;W$$$^$9$,!“e(Blib/timeout.rb  
e$B$,e(B  
e$BJQ99$5$l$F$$$F!”$=$l$,e(B net/pop.rb e$B$KGH5Z$7$F$^$7$?!#e(BYARV  
e$BA0$@$He(B  
lib/timeout e$B$N%3!\<%I$Oe(B

def timeout(sec, exception=Error)  
return yield if sec == nil or sec.zero?  
raise ThreadError, “timeout within critical session” if  
Thread.critical  
begin  
x = Thread.current  
y = Thread.start {  
sleep sec  
x.raise exception, “execution expired” if x.alive?  
}  
yield sec  
# return true

e$B$H$J$C$F$Fe(B yield sec e$B$,JV$k$s$G$9$,!"e(BYARV  
e$B8e$O%3%a%s%H$,2r=|$5$l$Fe(B  
e$B$$$k$N$Ge(B true e$B$,JV$j$^$9!#e(B

e$B$I$C$A$,@5$7$$$s$G$7$g$&!#e(B

# 1 e$B9TL$H$N@09g@-$r9M$($k$H!"e(Byield e$B$N7k2L$,JV$C$F$-$?$[$&$,e(B

# e$B$$$$$H;W$&$1$I!"%I%-%e%a%s%H$Oe(B true e$B$rJV$9$H8@$C$F$k$J$"e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [September 25, 2007, 10:45pm UTC](https://www.ruby-forum.com/t/net-pop-error-in-ruby-1-9/82345/3 "2007-09-25T22:45:32Z")

</div>

e$B!!$5$5$@$G$9!#e(B

Minero A. wrote:

> ```
> sleep sec
> 
> ```
> 
> # 1 e$B9TL$H$N@09g@-$r9M$($k$H!"e(Byield e$B$N7k2L$,JV$C$F$-$?$[$&$,e(B
> 
> # e$B$$$$$H;W$&$1$I!"%I%-%e%a%s%H$Oe(B true e$B$rJV$9$H8@$C$F$k$J$"e(B

e$B!!$J$s$GJQ$($?$N$+$5$C$Q$j3P$($F$$$J$$$N$G$9$,!"$H$j$"$($:e(B YARV  
e$B$G$O$I$Ae(B  
e$B$i$bF0$/$H;W$$$^$9$N$G!VNI$$;EMM!W$K$7$F$$$?$@$1$l$P$H;W$$$^$9!#e(B

---

<div class="post-metadata">

**Author:** ![Masaki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/58956e/32.png) [@Masaki\_S](https://www.ruby-forum.com/u/Masaki_S)\
**Post date:** [September 25, 2007, 10:49pm UTC](https://www.ruby-forum.com/t/net-pop-error-in-ruby-1-9/82345/4 "2007-09-25T22:49:02Z")

</div>

e$B$J$+$@$G$9!#e(B

At Fri, 19 Jan 2007 11:49:54 +0900,  
Minero A. wrote in [ruby-dev:30148]:

> e$B$?$V$se(B YARV e$B$,%^!\<%8$5$l$?$H$-$@$H;W$$$^$9$,!“e(Blib/timeout.rb e$B$,e(B  
> e$BJQ99$5$l$F$$$F!”$=$l$,e(B net/pop.rb e$B$KGH5Z$7$F$^$7$?!#e(BYARV e$BA0$@$He(B

Thread.exclusivee$B$r\<h$j=|$$$?$H$-$N%\_%9$G$7$g$&$+!#e(B1.16-\>1.7e$B$NJQ99$b\>C$($F$^$9$M!#e(B  
e$B$$$:$l$K$;$h!“8E$$%P!\<%8%g%s$r85$K$7$F$$$F!”$=$l$,$=$N$^$^F~$C$F$7$^$C$F$$$k$b$N$,B\>$K$b$J$$$+!"%A%’%C%/$,I,MW$+$bCN$l$^$;$s!#e(B

> lib/timeout e$B$N%3!\<%I$Oe(B  
> (snip)  
> e$B$H$J$C$F$Fe(B yield sec e$B$,JV$k$s$G$9$,!"e(BYARV e$B8e$O%3%a%s%H$,2r=|$5$l$Fe(B  
> e$B$$$k$N$Ge(B true e$B$,JV$j$^$9!#e(B
> 
> e$B$I$C$A$,@5$7$$$s$G$7$g$&!#e(B

e$B%3%a%s%H%"%&%H$Oe(B2001/8e$B$G$9$M!#$?$7$+0U?^E\*$J;EMMJQ99$@$C$?$h$&$J5$$,$7$^$9!#e(B

> # 1 e$B9TL$H$N@09g@-$r9M$($k$H!"e(Byield e$B$N7k2L$,JV$C$F$-$?$[$&$,e(B
> 
> # e$B$$$$$H;W$&$1$I!"%I%-%e%a%s%H$Oe(B true e$B$rJV$9$H8@$C$F$k$J$"e(B

e$B%I%-%e%a%s%H$N$[$&$NJQ99O3$l$@$H;W$$$^$9!#e(B