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lib/AnyEvent/RipeRedis.pm  view on Meta::CPAN

Every error object, passed to callback, contain error code, which can be used
for programmatic handling of errors. AnyEvent::RipeRedis provides constants for
error codes. They can be imported and used in expressions.

  use AnyEvent::RipeRedis qw( :err_codes );

=over

=item E_CANT_CONN

Can't connect to the server. All operations were aborted.

=item E_LOADING_DATASET

Redis is loading the dataset in memory.

=item E_IO

Input/Output operation error. The connection to the Redis server was closed and
all operations were aborted.

=item E_CONN_CLOSED_BY_REMOTE_HOST

The connection closed by remote host. All operations were aborted.

=item E_CONN_CLOSED_BY_CLIENT

Connection closed by client prematurely. Uncompleted operations were aborted.

=item E_NO_CONN

No connection to the Redis server. Connection was lost by any reason on previous
operation.

=item E_OPRN_ERROR

Operation error. For example, wrong number of arguments for a command.

=item E_UNEXPECTED_DATA

The client received unexpected reply from the server. The connection to the Redis
server was closed and all operations were aborted.

=item E_READ_TIMEDOUT

Read timed out. The connection to the Redis server was closed and all operations
were aborted.

=back

Error codes available since Redis 2.6.

=over

=item E_NO_SCRIPT

No matching script. Use the C<EVAL> command.

=item E_BUSY

Redis is busy running a script. You can only call C<SCRIPT KILL>
or C<SHUTDOWN NOSAVE>.

=item E_NOT_BUSY

No scripts in execution right now.

=item E_MASTER_DOWN

Link with MASTER is down and slave-serve-stale-data is set to 'no'.

=item E_MISCONF

Redis is configured to save RDB snapshots, but is currently not able to persist
on disk. Commands that may modify the data set are disabled. Please check Redis
logs for details about the error.

=item E_READONLY

You can't write against a read only slave.

=item E_OOM

Command not allowed when used memory > 'maxmemory'.

=item E_EXEC_ABORT

Transaction discarded because of previous errors.

=back

Error codes available since Redis 2.8.

=over

=item E_NO_AUTH

Authentication required.

=item E_WRONG_TYPE

Operation against a key holding the wrong kind of value.

=item E_NO_REPLICAS

Not enough good slaves to write.

=item E_BUSY_KEY

Target key name already exists.

=back

Error codes available since Redis 3.0.

=over

=item E_CROSS_SLOT

Keys in request don't hash to the same slot.