[SERVER-3026] weird error on mongos Created: 30/Apr/11  Updated: 29/Aug/11  Resolved: 30/Apr/11

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: 1.8.1
Fix Version/s: None

Type: Bug Priority: Major - P3
Reporter: ofer samocha Assignee: Unassigned
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

linux


Operating System: ALL
Participants:

 Description   

there is a weird error in mms console:
2011-04-29 20:33:16,507 ERROR serverStatusThread:msg: host: SN12:27017 - exception:db assertion failure, assertion: 'all servers down!', assertionCode: 8002
Traceback (most recent call last):
File "agent.py", line 449, in serverStatusThread
stats = collectStats( monitorConn, settings.sendProfilerData )
File "agent.py", line 170, in collectStats
for x in conn.database_names():
File "build/bdist.linux-i686/egg/pymongo/connection.py", line 902, in database_names
self.admin.command("listDatabases")["databases"]]
File "build/bdist.linux-i686/egg/pymongo/database.py", line 293, in command
msg, allowable_errors)
File "build/bdist.linux-i686/egg/pymongo/helpers.py", line 125, in _check_command_response
raise OperationFailure(ex_msg, response.get("assertionCode"))
OperationFailure: db assertion failure, assertion: 'all servers down!', assertionCode: 8002

enclosed is the mongos side at the same time:
Fri Apr 29 20:33:16 [conn34588] SyncClusterConnection connecting to [amdbm001:10001]
Fri Apr 29 20:33:16 [conn34588] SyncClusterConnection connecting to [amdbm003:10001]
Fri Apr 29 20:33:16 [conn34588] SyncClusterConnection connecting to [amdbm005:10001]
Fri Apr 29 20:33:16 [conn34588] DBClientCursor::init call() failed
Fri Apr 29 20:33:16 [conn34588] query failed to: amdbm001:10001 no data
Fri Apr 29 20:33:16 [conn34588] DBClientCursor::init call() failed
Fri Apr 29 20:33:16 [conn34588] query failed to: amdbm003:10001 no data
Fri Apr 29 20:33:16 [conn34588] DBClientCursor::init call() failed
Fri Apr 29 20:33:16 [conn34588] query failed to: amdbm005:10001 no data
Fri Apr 29 20:33:16 [conn34588] ~ScopedDbConnection: _conn != null

please advice,
ofer



 Comments   
Comment by ofers@imesh.com [ 30/Apr/11 ]

Ok

Maybe a network glitch
Thanks

Ofer

Comment by Eliot Horowitz (Inactive) [ 30/Apr/11 ]

That means that that mongos couldn't reach any of the config servers.

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