[AG-TECH] The vanishing bridge...

[Christoph Willing]

Philippe,

What does your /etc/hosts file look like?


chris


On 16/03/2010, at 7:59 PM, Philippe d'Anfray wrote:

> Bonjour,
>
> We posted a while ago about this strange bridge behaviour...
> when we launch the bridge it is only visible a few minutes in the  
> registry.
> has someone noticed the same problem? any idea ???
>
> Cordialement
>
> Philippe d'Anfray
>
> The machine running the bridge  also runs Ubuntu 9.10
>
> *** 1) today 10h09 am: bridge is launched
>
> Bridge3.py -p 20000 -r 50000 52000 -n ARISTOTE -l FRANCE -u
> http://www.accessgrid.org/registry/peers.txt
>
> *** 2) 10h12 a.m.  from another machine, "purge bridge cache ",  Yes !
> the ARISTOTE bridge shows up (picture 1)
>
> *** 3) 10h20 a.m.  from the same machine, "purge bridge cache ",
> ARISTOTE bridge has already vanished  from the list (picture 2)
>
> *** 4) 10h22 a.m. here are the logs...
>
> 03/16/10 10:09:26 139917634770672 Toolkit     Config.py:674 DEBUG  
> System
> hostname of aristote-venues.polytechnique.fr is valid
> 03/16/10 10:09:26 139917634770672 Toolkit     Toolkit.py:116 DEBUG
> Initializing AG Toolkit version 3.2 beta
> 03/16/10 10:09:26 139917634770672 Toolkit     Toolkit.py:117 INFO
> Command and arguments: ['/usr/bin/Bridge3.py', '-p', '20000', '-r',
> '50000', '52000', '-n', 'ARISTOTE', '-l', 'FRANC
> E', '-u', 'http://www.accessgrid.org/registry/peers.txt']
> 03/16/10 10:09:26 139917634770672 VenueClient     Preferences.py:206
> DEBUG Preferences.LoadPreferences: open file
> 03/16/10 10:09:27 139917634770672 Toolkit     Toolkit.py:166 INFO
> Logfile Name: Bridge.log
> 03/16/10 10:09:27 139917634770672 Toolkit     Toolkit.py:692 INFO
> Service init: have profile None
> 03/16/10 10:09:27 139917634770672 Toolkit     Toolkit.py:717 INFO
> Service Initialization Complete.
> 03/16/10 10:09:27 139917634770672 Toolkit     BridgeFactory.py:81 INFO
> Allocator using port range: (50000, 52000)
> 03/16/10 10:09:27 139917634770672 Toolkit     BridgeFactory.py:89 INFO
> BridgeFactory.SetPortMin 50000
> 03/16/10 10:09:27 139917634770672 Toolkit     BridgeFactory.py:93 INFO
> BridgeFactory.SetPortMax 52000
> 03/16/10 10:09:27 139917634770672 VenueClient     Preferences.py:206
> DEBUG Preferences.LoadPreferences: open file
> 03/16/10 10:09:27 139917634770672 VenueClient     Preferences.py:206
> DEBUG Preferences.LoadPreferences: open file
> 03/16/10 10:09:27 139917634770672 VenueClient     Preferences.py:206
> DEBUG Preferences.LoadPreferences: open file
> 03/16/10 10:09:28 139917634770672 VenueClient     Preferences.py:206
> DEBUG Preferences.LoadPreferences: open file
> 03/16/10 10:10:06 139917419489552 Toolkit     Bridge3.py:59 INFO   
> Bridge
> request: mcast 233.4.200.18 10002
> 03/16/10 10:10:06 139917419489552 Toolkit     BridgeFactory.py:108  
> INFO
> Method CreateBridge called
> 03/16/10 10:10:06 139917419489552 Toolkit     BridgeFactory.py:114  
> INFO
> Allocated port = 51168
> 03/16/10 10:10:06 139917419489552 Toolkit     BridgeFactory.py:134  
> INFO
> - creating new bridge
> 03/16/10 10:10:06 139917419489552 Toolkit     BridgeFactory.py:35 INFO
> Method Bridge.Start called
> 03/16/10 10:10:06 139917419489552 Toolkit     BridgeFactory.py:38 INFO
> Starting bridge:
> 03/16/10 10:10:06 139917419489552 Toolkit     BridgeFactory.py:40
> INFO    [maddr,mport,mttl] = 233.4.200.18 10002 1
> 03/16/10 10:10:06 139917419489552 Toolkit     BridgeFactory.py:42
> INFO    [uaddr,uport] = aristote-venues.polytechnique.fr 51168
> 03/16/10 10:10:06 139917419489552 Toolkit     BridgeFactory.py:51 INFO
> Starting bridge: /usr/bin/QuickBridge ['-g', '233.4.200.18', '-m',
> '10002', '-u', '51168', '-i', '600']
> 03/16/10 10:20:07 139917634770672 ProcessManager
> ProcessManager.py:44 DEBUG OnSigChild: pid = 26018
> 03/16/10 10:20:07 139917634770672 Toolkit     BridgeFactory.py:187  
> INFO
> Removing bridge following death of bridge process (233.4.200.18/10002)
> 03/16/10 10:20:07 139917634770672 Toolkit     BridgeFactory.py:191  
> INFO
> Removing bridge following death of bridge process (233.4.200.18/10002)
> 03/16/10 10:20:07 139917634770672 ProcessManager
> ProcessManager.py:39 ERROR Exception in waitpid; breaking
> Traceback (most recent call last):
>  File
> "/usr/lib/pymodules/python2.6/AccessGrid3/AccessGrid/Platform/unix/ 
> ProcessManager.py",
> line 37, in OnSigChild
>    ret = os.waitpid(-1,os.WNOHANG)
> OSError: [Errno 10] No child processes
>
> *** 5) Later..  ps shows that  the bridge process is still somewhere  
> on
> our machine...
>
> 4 S aristote 26008     1  0  80   0 - 60122 poll_s 10:09 ?
> 00:00:00 /usr/bin/python /usr/bin/Bridge3.py -p 20000 -r 50000 52000  
> -n
> ARISTOTE -l FRANCE -u http://www.accessgrid.org/registry/peers.txt
>
>
> <bridge-1.jpg><bridge-2.jpg><Philippe_d-Anfray.vcf>

Christoph Willing                       +61 7 3365 8316
QCIF Access Grid Manager
University of Queensland