I'm using predis and from time to time I have these messages in php.err:

PHP Fatal error: Uncaught exception 'Predis_ClientException' with message
'Cannot assign requested address' in /home/meshok/predis.php:648
Stack trace:
#0 /home/meshok/predis.php(708): Predis_Connection->connect()
#1 /home/meshok/predis.php(680): Predis_Connection->getSocket()
#2 /home/meshok/predis.php(116):

Predis_Connection->writeCommand(Object(Predis_Commands_SetAdd))
#3 /home/meshok/predis.php(124):

Predis_Client->executeCommandInternal(Object(Predis_Connection),
Object(Predis_Commands_SetAdd))
#4 /home/meshok/predis.php(108):

Predis_Client->executeCommand(Object(Predis_Commands_SetAdd))
#5 [internal function]: Predis_Client->__call('sadd', Array)
#6 /home/meshok/bounce.php(55): Predis_Client->sadd('emails_550',

'storm@radioener...')

What version of the product are you using? On what operating system?
redis 1.2.2 32 bit on 64 bit debian

What can couse that