## Class CommunicationError

### Use

CommunicationError is a class of the sdb.dbm module.

The methods of the sdb.dbm module trigger exceptions of this class if it is not possible to connect to the DBM Server or an existing connection is terminated.

Attributes of the Objects of the CommunicationError Class

Name | Description
errorCode | Error code
message | Error message text

### Example

You have entered an incorrect computer name (PRAMA instead of PARMA):

try:

session = sdb.dbm.DBM ('PRAMA', '')

except sdb.dbm.CommunicationError, err:

print err

print err.message

dbm.CommunicationError: [-4] unknown host name

unknown host name