# Repeat of DRb.start\_service and DRb.stop\_service may result in EADDRINUSE

**URL:** <https://www.ruby-forum.com/t/repeat-of-drb-start-service-and-drb-stop-service-may-result-in-eaddrinuse/183621>\
**Category:** Development\
**Created:** [February 17, 2010, 2:16pm UTC](https://www.ruby-forum.com/t/repeat-of-drb-start-service-and-drb-stop-service-may-result-in-eaddrinuse/183621 "2010-02-17T14:16:13Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 17, 2010, 2:16pm UTC](https://www.ruby-forum.com/t/repeat-of-drb-start-service-and-drb-stop-service-may-result-in-eaddrinuse/183621/1 "2010-02-17T14:16:13Z")

</div>

e$B31$5$se(B  
e$B1sF#$G$9!#e(B

1.9 e$B$G!"e(BDRb.start\_service e$B$He(B stop\_service  
e$B$r7+$jJV$9$H!“e(BEADDRINUSE e$B$,e(B  
e$BH/@8$9$k$3$H$,$”$j$^$9!#e(B

$ ./ruby -Ilib -rdrb -e ’  
loop do  
p :start  
DRb.start\_service(“druby://localhost:9090”, 1)  
DRb.stop\_service  
end  
’  
:start  
:start  
:start  
/home/mame/work/ruby19/ruby/lib/drb/drb.rb:861:in `initialize': Address already in use - bind(2) (Errno::EADDRINUSE) from /home/mame/work/ruby19/ruby/lib/drb/drb.rb:861:in`open’  
from /home/mame/work/ruby19/ruby/lib/drb/drb.rb:861:in  
`open_server' from /home/mame/work/ruby19/ruby/lib/drb/drb.rb:759:in`block in open\_server’  
from /home/mame/work/ruby19/ruby/lib/drb/drb.rb:757:in `each' from /home/mame/work/ruby19/ruby/lib/drb/drb.rb:757:in`open\_server’  
from /home/mame/work/ruby19/ruby/lib/drb/drb.rb:1342:in  
`initialize' from /home/mame/work/ruby19/ruby/lib/drb/drb.rb:1630:in`new’  
from /home/mame/work/ruby19/ruby/lib/drb/drb.rb:1630:in  
`start_service' from -e:4:in`block in ’  
from -e:2:in `loop' from -e:2:in`’

Thread#kill e$B$G%5!\<%S%9$rDd;_$7$F$$$k$h$&$G$9$,!"e(Bkill e$B$7$?8ee(B  
join e$B$7$J$$e(B  
e$B$H3N\<B$K;`$s$@$+$I$&$+$o$+$i$J$$$H;W$$$^$9!#e(B1.8  
e$B$G$O%?%$%_%s%0$,$?$^$?$^e(B  
e$BLdBj$K$J$C$F$$$J$$$@$1$J5$$,$7$^$9!#e(B

rubyspec  
e$B$,$?$^$K\<:GT$7$F]5F+$7$$$N$G!"$b$7$h$1$l$PD\>$7$?$$$G$9!#0J2\<$Ne(B  
e$B%Q%C%A$GD\>$j$^$9!#e(B

diff --git a/lib/drb/drb.rb b/lib/drb/drb.rb  
index a2c11f9…4712306 100644  
— a/lib/drb/drb.rb  
+++ b/lib/drb/drb.rb  
@@ -1394,7 +1394,7 @@ module DRb  
if Thread.current[‘DRb’] && Thread.current[‘DRb’][‘server’] ==  
self  
Thread.current[‘DRb’][‘stop\_service’] = true  
else

- 

```
   @thread.kill

```

- 

```
   @thread.kill.join
 end

```

end

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 17, 2010, 11:41pm UTC](https://www.ruby-forum.com/t/repeat-of-drb-start-service-and-drb-stop-service-may-result-in-eaddrinuse/183621/2 "2010-02-17T23:41:45Z")

</div>

e$B31$H$$$$$^$9!#e(B

On 2010/02/17, at 22:15, Yusuke ENDOH wrote:

> +++ b/lib/drb/drb.rb  
> @@ -1394,7 +1394,7 @@ module DRb  
> if Thread.current[‘DRb’] && Thread.current[‘DRb’][‘server’] == self  
> Thread.current[‘DRb’][‘stop\_service’] = true  
> else
> 
> - 
> 
> ```
> @thread.kill
> 
> ```
> 
> - 
> 
> ```
> @thread.kill.join
> end
> 
> ```
> 
> end

Thread#kille$B$O=\*N;$rBT$D$o$1$8$c$J$$$N$+!\<!#e(B

e$B$"$j$,$H$&$4$6$$$^$9!#e(B  
e$B:#F|L@F|$O:n6H$G$-$=$&$K$J$$$N$G!"1sF#$5$se(Bcommite$B$r$\*4j$$$G$-$^$9$+!)e(B

e$B40A4$J=\*N;!"$H$$$&$N$,$I$NDxEY$G$-$F$k$N$+$"$d$7$$$h$&$J5$$,$9$ke(B  
e$B$N$G$9$,!"$=$l$O7o$Ne(BRubySpece$B$G$OLdBj$J$$$G$7$g$&!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 18, 2010, 4:13pm UTC](https://www.ruby-forum.com/t/repeat-of-drb-start-service-and-drb-stop-service-may-result-in-eaddrinuse/183621/3 "2010-02-18T16:13:12Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B2e$B7ne(B18e$BF|e(B7:41 Masatoshi SEKI  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> On 2010/02/17, at 22:15, Yusuke ENDOH wrote:
> 
> > Thread#kill e$B$G%5!\<%S%9$rDd;_$7$F$$$k$h$&$G$9$,!"e(Bkill e$B$7$?8ee(B join e$B$7$J$$e(B  
> > e$B$H3N\<B$K;`$s$@$+$I$&$+$o$+$i$J$$$H;W$$$^$9!#e(B1.8 e$B$G$O%?%$%_%s%0$,$?$^$?$^e(B  
> > e$BLdBj$K$J$C$F$$$J$$$@$1$J5$$,$7$^$9!#e(B
> > 
> > rubyspec e$B$,$?$^$K\<:GT$7$F]5F+$7$$$N$G!"$b$7$h$1$l$PD\>$7$?$$$G$9!#0J2\<$Ne(B  
> > e$B%Q%C%A$GD\>$j$^$9!#e(B

_snip_

> Thread#kille$B$O=\*N;$rBT$D$o$1$8$c$J$$$N$+!\<!#e(B
> 
> e$B$"$j$,$H$&$4$6$$$^$9!#e(B  
> e$B:#F|L@F|$O:n6H$G$-$=$&$K$J$$$N$G!"1sF#$5$se(Bcommite$B$r$\*4j$$$G$-$^$9$+!)e(B

e$BB(Ez$"$j$,$H$&$4$6$$$^$9!#%3%\_%C%H$7$^$7$?!#e(B

> e$B40A4$J=\*N;!“$H$$$&$N$,$I$NDxEY$G$-$F$k$N$+$”$d$7$$$h$&$J5$$,$9$ke(B  
> e$B$N$G$9$,!"$=$l$O7o$Ne(BRubySpece$B$G$OLdBj$J$$$G$7$g$&!#e(B

e$B$=$&;W$$$^$9!#e(B

drb e$B$Ne(B spec e$B$Oe(B erb  
e$B$H0c$C$F$^$@$[$H$s$I=q$+$l$F$J$$$h$&$J$N$G!"e(B  
e$B$R$g$C$H$7$?$i$=$N$&$A2?$+LdBj$,@v$$=P$5$l$k$+$b$7$l$^$;$s!#e(B