| RequestFailureException |  | 0% | | 0% | 8 | 8 | 17 | 17 | 6 | 6 | 1 | 1 |
| UnavailableException |  | 30% | | 10% | 7 | 10 | 8 | 16 | 2 | 5 | 0 | 1 |
| RepairException | | 0% | | 0% | 10 | 10 | 9 | 9 | 6 | 6 | 1 | 1 |
| FunctionExecutionException | | 0% | | n/a | 3 | 3 | 11 | 11 | 3 | 3 | 1 | 1 |
| OperationExecutionException | | 0% | | n/a | 2 | 2 | 5 | 5 | 2 | 2 | 1 | 1 |
| AlreadyExistsException | | 0% | | n/a | 3 | 3 | 8 | 8 | 3 | 3 | 1 | 1 |
| RequestFailureReason.Serializer | | 2% | | 0% | 6 | 7 | 7 | 8 | 3 | 4 | 0 | 1 |
| RequestFailureReason | | 80% | | 35% | 7 | 11 | 9 | 31 | 2 | 4 | 0 | 1 |
| RequestTimeoutException | | 0% | | n/a | 2 | 2 | 10 | 10 | 2 | 2 | 1 | 1 |
| ConfigurationException | | 0% | | n/a | 4 | 4 | 12 | 12 | 4 | 4 | 1 | 1 |
| CasWriteTimeoutException | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 |
| ReadFailureException | | 0% | | n/a | 2 | 2 | 6 | 6 | 2 | 2 | 1 | 1 |
| ExceptionCode | | 91% | | 50% | 2 | 5 | 4 | 32 | 1 | 3 | 0 | 1 |
| CasWriteUnknownResultException | | 0% | | n/a | 1 | 1 | 5 | 5 | 1 | 1 | 1 | 1 |
| WriteTimeoutException | | 0% | | n/a | 2 | 2 | 6 | 6 | 2 | 2 | 1 | 1 |
| UnknownIndexException | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 |
| TombstoneAbortException | | 0% | | n/a | 1 | 1 | 4 | 4 | 1 | 1 | 1 | 1 |
| PreparedQueryNotFoundException | | 0% | | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 |
| StartupException | | 0% | | n/a | 2 | 2 | 6 | 6 | 2 | 2 | 1 | 1 |
| TruncateException | | 0% | | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 |
| WriteFailureException | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 |
| UnauthorizedException | | 0% | | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 |
| AuthenticationException | | 0% | | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 |
| ReadTimeoutException | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 |
| ReadSizeAbortException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| ReadAbortException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| UnaccessibleFieldException | | 0% | | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 |
| CassandraException | | 55% | | n/a | 1 | 3 | 3 | 7 | 1 | 3 | 0 | 1 |
| UnknownTableException | | 0% | | n/a | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 |
| ChecksumMismatchException | | 0% | | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 |
| RequestExecutionException | | 45% | | n/a | 1 | 2 | 2 | 4 | 1 | 2 | 0 | 1 |
| InvalidRequestException | | 45% | | n/a | 1 | 2 | 2 | 4 | 1 | 2 | 0 | 1 |
| RequestValidationException | | 45% | | n/a | 1 | 2 | 2 | 4 | 1 | 2 | 0 | 1 |
| QueryCancelledException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| IsBootstrappingException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| SyntaxException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| OverloadedException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| CDCWriteException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| UnknownColumnException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| IncompatibleSchemaException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
| UnrecoverableIllegalStateException | | 0% | | n/a | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |