Contents
- Features page
- Installing Cassandra PHP Extension page
-
API docs index
-
Cassandra namespace
- Cluster namespace
-
Exception namespace
- AlreadyExistsException class
- AuthenticationException class
- ConfigurationException class
- DivideByZeroException class
- DomainException class
- ExecutionException class
- InvalidArgumentException class
- InvalidQueryException class
- InvalidSyntaxException class
- IsBootstrappingException class
- LogicException class
- OverloadedException class
- ProtocolException class
- RangeException class
- ReadTimeoutException class
- RuntimeException class
- ServerException class
- TimeoutException class
- TruncateException class
- UnauthorizedException class
-
UnavailableException class
- UnpreparedException class
- ValidationException class
- WriteTimeoutException class
- SSLOptions namespace
- Type namespace
- BatchStatement class
- Blob class
- Collection class
- Future interface
- Numeric interface
- Table interface
- Bigint class
- Decimal class
- DefaultCluster class
- DefaultColumn class
- DefaultSchema class
- ExecutionOptions class
- Float class
- FutureClose class
- FutureException class
- FuturePreparedStatement class
- FutureRows class
- FutureSession class
- Map class
- PreparedStatement class
- Set class
- SSLOptions class
- Timestamp class
- Varint class
- Cluster interface
- Exception interface
- Keyspace interface
- Schema interface
- Statement interface
- Type interface
- UuidInterface interface
- DefaultKeyspace class
- DefaultSession class
- DefaultTable class
- FutureValue class
- Inet class
- SimpleStatement class
- Timeuuid class
- Column interface
- Uuid class
- Session interface
- Rows class
- Cassandra class
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Cassandra namespace
Exception\UnavailableException
is raised when a coordinator detected that there aren’t enough replica nodes available to fulfill the request.
NOTE: Request has not even been forwarded to the replica nodes in this case.
- See Also:
- https://github.com/apache/cassandra/blob/cassandra-2.1/doc/native_protocol_v1.spec#L667-L677 Description of the Unavailable error in the native protocol v1 spec.