1use crate::{
19 schema::{Name, Schema, SchemaKind},
20 types::{Value, ValueKind},
21};
22use std::{error::Error as _, fmt};
23
24#[derive(thiserror::Error)]
25pub enum Error {
26 #[error("Bad Snappy CRC32; expected {expected:x} but got {actual:x}")]
27 SnappyCrc32 { expected: u32, actual: u32 },
28
29 #[error("Invalid u8 for bool: {0}")]
30 BoolValue(u8),
31
32 #[error("Not a fixed value, required for decimal with fixed schema: {0:?}")]
33 FixedValue(Value),
34
35 #[error("Not a bytes value, required for decimal with bytes schema: {0:?}")]
36 BytesValue(Value),
37
38 #[error("Not a string value, required for uuid: {0:?}")]
39 GetUuidFromStringValue(Value),
40
41 #[error("Two schemas with the same fullname were given: {0:?}")]
42 NameCollision(String),
43
44 #[error("Not a fixed or bytes type, required for decimal schema, got: {0:?}")]
45 ResolveDecimalSchema(SchemaKind),
46
47 #[error("Invalid utf-8 string")]
48 ConvertToUtf8(#[source] std::string::FromUtf8Error),
49
50 #[error("Invalid utf-8 string")]
51 ConvertToUtf8Error(#[source] std::str::Utf8Error),
52
53 #[error("Value does not match schema")]
55 Validation,
56
57 #[error("Value {value:?} does not match schema {schema:?}: Reason: {reason}")]
59 ValidationWithReason {
60 value: Value,
61 schema: Schema,
62 reason: String,
63 },
64
65 #[error("Unable to allocate {desired} bytes (maximum allowed: {maximum})")]
66 MemoryAllocation { desired: usize, maximum: usize },
67
68 #[error("Number of bytes requested for decimal sign extension {requested} is less than the number of bytes needed to decode {needed}")]
70 SignExtend { requested: usize, needed: usize },
71
72 #[error("Failed to read boolean bytes: {0}")]
73 ReadBoolean(#[source] std::io::Error),
74
75 #[error("Failed to read bytes: {0}")]
76 ReadBytes(#[source] std::io::Error),
77
78 #[error("Failed to read string: {0}")]
79 ReadString(#[source] std::io::Error),
80
81 #[error("Failed to read double: {0}")]
82 ReadDouble(#[source] std::io::Error),
83
84 #[error("Failed to read float: {0}")]
85 ReadFloat(#[source] std::io::Error),
86
87 #[error("Failed to read duration: {0}")]
88 ReadDuration(#[source] std::io::Error),
89
90 #[error("Failed to read fixed number of bytes '{1}': : {0}")]
91 ReadFixed(#[source] std::io::Error, usize),
92
93 #[error("Failed to convert &str to UUID: {0}")]
94 ConvertStrToUuid(#[source] uuid::Error),
95
96 #[error("Failed to convert Fixed bytes to UUID. It must be exactly 16 bytes, got {0}")]
97 ConvertFixedToUuid(usize),
98
99 #[error("Failed to convert Fixed bytes to UUID: {0}")]
100 ConvertSliceToUuid(#[source] uuid::Error),
101
102 #[error("Map key is not a string; key type is {0:?}")]
103 MapKeyType(ValueKind),
104
105 #[error("Union index {index} out of bounds: {num_variants}")]
106 GetUnionVariant { index: i64, num_variants: usize },
107
108 #[error("Enum symbol index out of bounds: {num_variants}")]
109 EnumSymbolIndex { index: usize, num_variants: usize },
110
111 #[error("Enum symbol not found {0}")]
112 GetEnumSymbol(String),
113
114 #[error("Unable to decode enum index")]
115 GetEnumUnknownIndexValue,
116
117 #[error("Scale {scale} is greater than precision {precision}")]
118 GetScaleAndPrecision { scale: usize, precision: usize },
119
120 #[error(
121 "Fixed type number of bytes {size} is not large enough to hold decimal values of precision {precision}"
122 )]
123 GetScaleWithFixedSize { size: usize, precision: usize },
124
125 #[error("Expected Value::Uuid, got: {0:?}")]
126 GetUuid(Value),
127
128 #[error("Expected Value::BigDecimal, got: {0:?}")]
129 GetBigDecimal(Value),
130
131 #[error("Fixed bytes of size 12 expected, got Fixed of size {0}")]
132 GetDecimalFixedBytes(usize),
133
134 #[error("Expected Value::Duration or Value::Fixed(12), got: {0:?}")]
135 ResolveDuration(Value),
136
137 #[error("Expected Value::Decimal, Value::Bytes or Value::Fixed, got: {0:?}")]
138 ResolveDecimal(Value),
139
140 #[error("Missing field in record: {0:?}")]
141 GetField(String),
142
143 #[error("Unable to convert to u8, got {0:?}")]
144 GetU8(Value),
145
146 #[error("Precision {precision} too small to hold decimal values with {num_bytes} bytes")]
147 ComparePrecisionAndSize { precision: usize, num_bytes: usize },
148
149 #[error("Cannot convert length to i32: {1}")]
150 ConvertLengthToI32(#[source] std::num::TryFromIntError, usize),
151
152 #[error("Expected Value::Date or Value::Int, got: {0:?}")]
153 GetDate(Value),
154
155 #[error("Expected Value::TimeMillis or Value::Int, got: {0:?}")]
156 GetTimeMillis(Value),
157
158 #[error("Expected Value::TimeMicros, Value::Long or Value::Int, got: {0:?}")]
159 GetTimeMicros(Value),
160
161 #[error("Expected Value::TimestampMillis, Value::Long or Value::Int, got: {0:?}")]
162 GetTimestampMillis(Value),
163
164 #[error("Expected Value::TimestampMicros, Value::Long or Value::Int, got: {0:?}")]
165 GetTimestampMicros(Value),
166
167 #[error("Expected Value::TimestampNanos, Value::Long or Value::Int, got: {0:?}")]
168 GetTimestampNanos(Value),
169
170 #[error("Expected Value::LocalTimestampMillis, Value::Long or Value::Int, got: {0:?}")]
171 GetLocalTimestampMillis(Value),
172
173 #[error("Expected Value::LocalTimestampMicros, Value::Long or Value::Int, got: {0:?}")]
174 GetLocalTimestampMicros(Value),
175
176 #[error("Expected Value::LocalTimestampNanos, Value::Long or Value::Int, got: {0:?}")]
177 GetLocalTimestampNanos(Value),
178
179 #[error("Expected Value::Null, got: {0:?}")]
180 GetNull(Value),
181
182 #[error("Expected Value::Boolean, got: {0:?}")]
183 GetBoolean(Value),
184
185 #[error("Expected Value::Int, got: {0:?}")]
186 GetInt(Value),
187
188 #[error("Expected Value::Long or Value::Int, got: {0:?}")]
189 GetLong(Value),
190
191 #[error(r#"Expected Value::Double, Value::Float, Value::Int, Value::Long or Value::String ("NaN", "INF", "Infinity", "-INF" or "-Infinity"), got: {0:?}"#)]
192 GetDouble(Value),
193
194 #[error(r#"Expected Value::Float, Value::Double, Value::Int, Value::Long or Value::String ("NaN", "INF", "Infinity", "-INF" or "-Infinity"), got: {0:?}"#)]
195 GetFloat(Value),
196
197 #[error("Expected Value::Bytes, got: {0:?}")]
198 GetBytes(Value),
199
200 #[error("Expected Value::String, Value::Bytes or Value::Fixed, got: {0:?}")]
201 GetString(Value),
202
203 #[error("Expected Value::Enum, got: {0:?}")]
204 GetEnum(Value),
205
206 #[error("Fixed size mismatch, expected: {size}, got: {n}")]
207 CompareFixedSizes { size: usize, n: usize },
208
209 #[error("String expected for fixed, got: {0:?}")]
210 GetStringForFixed(Value),
211
212 #[error("Enum default {symbol:?} is not among allowed symbols {symbols:?}")]
213 GetEnumDefault {
214 symbol: String,
215 symbols: Vec<String>,
216 },
217
218 #[error("Enum value index {index} is out of bounds {nsymbols}")]
219 GetEnumValue { index: usize, nsymbols: usize },
220
221 #[error("Key {0} not found in decimal metadata JSON")]
222 GetDecimalMetadataFromJson(&'static str),
223
224 #[error("Could not find matching type in union")]
225 FindUnionVariant,
226
227 #[error("Union type should not be empty")]
228 EmptyUnion,
229
230 #[error("Array({expected:?}) expected, got {other:?}")]
231 GetArray { expected: SchemaKind, other: Value },
232
233 #[error("Map({expected:?}) expected, got {other:?}")]
234 GetMap { expected: SchemaKind, other: Value },
235
236 #[error("Record with fields {expected:?} expected, got {other:?}")]
237 GetRecord {
238 expected: Vec<(String, SchemaKind)>,
239 other: Value,
240 },
241
242 #[error("No `name` field")]
243 GetNameField,
244
245 #[error("No `name` in record field")]
246 GetNameFieldFromRecord,
247
248 #[error("Unions may not directly contain a union")]
249 GetNestedUnion,
250
251 #[error("Unions cannot contain duplicate types")]
252 GetUnionDuplicate,
253
254 #[error("One union type {0:?} must match the `default`'s value type {1:?}")]
255 GetDefaultUnion(SchemaKind, ValueKind),
256
257 #[error("`default`'s value type of field {0:?} in {1:?} must be {2:?}")]
258 GetDefaultRecordField(String, String, String),
259
260 #[error("JSON value {0} claims to be u64 but cannot be converted")]
261 GetU64FromJson(serde_json::Number),
262
263 #[error("JSON value {0} claims to be i64 but cannot be converted")]
264 GetI64FromJson(serde_json::Number),
265
266 #[error("Cannot convert u64 to usize: {1}")]
267 ConvertU64ToUsize(#[source] std::num::TryFromIntError, u64),
268
269 #[error("Cannot convert u32 to usize: {1}")]
270 ConvertU32ToUsize(#[source] std::num::TryFromIntError, u32),
271
272 #[error("Cannot convert i64 to usize: {1}")]
273 ConvertI64ToUsize(#[source] std::num::TryFromIntError, i64),
274
275 #[error("Cannot convert i32 to usize: {1}")]
276 ConvertI32ToUsize(#[source] std::num::TryFromIntError, i32),
277
278 #[error("Invalid JSON value for decimal precision/scale integer: {0}")]
279 GetPrecisionOrScaleFromJson(serde_json::Number),
280
281 #[error("Failed to parse schema from JSON")]
282 ParseSchemaJson(#[source] serde_json::Error),
283
284 #[error("Failed to read schema")]
285 ReadSchemaFromReader(#[source] std::io::Error),
286
287 #[error("Must be a JSON string, object or array")]
288 ParseSchemaFromValidJson,
289
290 #[error("Unknown primitive type: {0}")]
291 ParsePrimitive(String),
292
293 #[error("invalid JSON for {key:?}: {value:?}")]
294 GetDecimalMetadataValueFromJson {
295 key: String,
296 value: serde_json::Value,
297 },
298
299 #[error("The decimal precision ({precision}) must be bigger or equal to the scale ({scale})")]
300 DecimalPrecisionLessThanScale { precision: usize, scale: usize },
301
302 #[error("The decimal precision ({precision}) must be a positive number")]
303 DecimalPrecisionMuBePositive { precision: usize },
304
305 #[error("Unreadable big decimal sign")]
306 BigDecimalSign,
307
308 #[error("Unreadable length for big decimal inner bytes: {0}")]
309 BigDecimalLen(#[source] Box<Error>),
310
311 #[error("Unreadable big decimal scale")]
312 BigDecimalScale,
313
314 #[error("Unexpected `type` {0} variant for `logicalType`")]
315 GetLogicalTypeVariant(serde_json::Value),
316
317 #[error("No `type` field found for `logicalType`")]
318 GetLogicalTypeField,
319
320 #[error("logicalType must be a string, but is {0:?}")]
321 GetLogicalTypeFieldType(serde_json::Value),
322
323 #[error("Unknown complex type: {0}")]
324 GetComplexType(serde_json::Value),
325
326 #[error("No `type` in complex type")]
327 GetComplexTypeField,
328
329 #[error("No `fields` in record")]
330 GetRecordFieldsJson,
331
332 #[error("No `symbols` field in enum")]
333 GetEnumSymbolsField,
334
335 #[error("Unable to parse `symbols` in enum")]
336 GetEnumSymbols,
337
338 #[error("Invalid enum symbol name {0}")]
339 EnumSymbolName(String),
340
341 #[error("Invalid field name {0}")]
342 FieldName(String),
343
344 #[error("Duplicate field name {0}")]
345 FieldNameDuplicate(String),
346
347 #[error("Invalid schema name {0}. It must match the regex '{1}'")]
348 InvalidSchemaName(String, &'static str),
349
350 #[error("Invalid namespace {0}. It must match the regex '{1}'")]
351 InvalidNamespace(String, &'static str),
352
353 #[error("Invalid schema: There is no type called '{0}', if you meant to define a non-primitive schema, it should be defined inside `type` attribute. Please review the specification")]
354 InvalidSchemaRecord(String),
355
356 #[error("Duplicate enum symbol {0}")]
357 EnumSymbolDuplicate(String),
358
359 #[error("Default value for enum must be a string! Got: {0}")]
360 EnumDefaultWrongType(serde_json::Value),
361
362 #[error("No `items` in array")]
363 GetArrayItemsField,
364
365 #[error("No `values` in map")]
366 GetMapValuesField,
367
368 #[error("Fixed schema `size` value must be a positive integer: {0}")]
369 GetFixedSizeFieldPositive(serde_json::Value),
370
371 #[error("Fixed schema has no `size`")]
372 GetFixedSizeField,
373
374 #[error("Fixed schema's default value length ({0}) does not match its size ({1})")]
375 FixedDefaultLenSizeMismatch(usize, u64),
376
377 #[error("Failed to compress with flate: {0}")]
378 DeflateCompress(#[source] std::io::Error),
379
380 #[deprecated(since = "0.19.0", note = "This error can no longer occur")]
382 #[error("Failed to finish flate compressor: {0}")]
383 DeflateCompressFinish(#[source] std::io::Error),
384
385 #[error("Failed to decompress with flate: {0}")]
386 DeflateDecompress(#[source] std::io::Error),
387
388 #[cfg(feature = "snappy")]
389 #[error("Failed to compress with snappy: {0}")]
390 SnappyCompress(#[source] snap::Error),
391
392 #[cfg(feature = "snappy")]
393 #[error("Failed to get snappy decompression length: {0}")]
394 GetSnappyDecompressLen(#[source] snap::Error),
395
396 #[cfg(feature = "snappy")]
397 #[error("Failed to decompress with snappy: {0}")]
398 SnappyDecompress(#[source] snap::Error),
399
400 #[error("Failed to compress with zstd: {0}")]
401 ZstdCompress(#[source] std::io::Error),
402
403 #[error("Failed to decompress with zstd: {0}")]
404 ZstdDecompress(#[source] std::io::Error),
405
406 #[error("Failed to read header: {0}")]
407 ReadHeader(#[source] std::io::Error),
408
409 #[error("wrong magic in header")]
410 HeaderMagic,
411
412 #[error("Message Header mismatch. Expected: {0:?}. Actual: {1:?}")]
413 SingleObjectHeaderMismatch([u8; 10], [u8; 10]),
414
415 #[error("Failed to get JSON from avro.schema key in map")]
416 GetAvroSchemaFromMap,
417
418 #[error("no metadata in header")]
419 GetHeaderMetadata,
420
421 #[error("Failed to read marker bytes: {0}")]
422 ReadMarker(#[source] std::io::Error),
423
424 #[error("Failed to read block marker bytes: {0}")]
425 ReadBlockMarker(#[source] std::io::Error),
426
427 #[error("Read into buffer failed: {0}")]
428 ReadIntoBuf(#[source] std::io::Error),
429
430 #[error("block marker does not match header marker")]
431 GetBlockMarker,
432
433 #[error("Overflow when decoding integer value")]
434 IntegerOverflow,
435
436 #[error("Failed to read bytes for decoding variable length integer: {0}")]
437 ReadVariableIntegerBytes(#[source] std::io::Error),
438
439 #[error("Decoded integer out of range for i32: {1}: {0}")]
440 ZagI32(#[source] std::num::TryFromIntError, i64),
441
442 #[error("unable to read block")]
443 ReadBlock,
444
445 #[error("Failed to serialize value into Avro value: {0}")]
446 SerializeValue(String),
447
448 #[error("Failed to serialize value of type {value_type} using schema {schema:?}: {value}")]
449 SerializeValueWithSchema {
450 value_type: &'static str,
451 value: String,
452 schema: Schema,
453 },
454
455 #[error("Failed to serialize field '{field_name}' for record {record_schema:?}: {error}")]
456 SerializeRecordFieldWithSchema {
457 field_name: &'static str,
458 record_schema: Schema,
459 error: Box<Error>,
460 },
461
462 #[error("Failed to deserialize Avro value into value: {0}")]
463 DeserializeValue(String),
464
465 #[error("Failed to write buffer bytes during flush: {0}")]
466 WriteBytes(#[source] std::io::Error),
467
468 #[error("Failed to flush inner writer during flush: {0}")]
469 FlushWriter(#[source] std::io::Error),
470
471 #[error("Failed to write marker: {0}")]
472 WriteMarker(#[source] std::io::Error),
473
474 #[error("Failed to convert JSON to string: {0}")]
475 ConvertJsonToString(#[source] serde_json::Error),
476
477 #[error("failed to convert avro float to json: {0}")]
479 ConvertF64ToJson(f64),
480
481 #[error("Unresolved schema reference: {0}")]
483 SchemaResolutionError(Name),
484
485 #[error("The file metadata is already flushed.")]
486 FileHeaderAlreadyWritten,
487
488 #[error("Metadata keys starting with 'avro.' are reserved for internal usage: {0}.")]
489 InvalidMetadataKey(String),
490
491 #[error("Two named schema defined for same fullname: {0}.")]
493 AmbiguousSchemaDefinition(Name),
494
495 #[error("Signed decimal bytes length {0} not equal to fixed schema size {1}.")]
496 EncodeDecimalAsFixedError(usize, usize),
497
498 #[error("There is no entry for '{0}' in the lookup table: {1}.")]
499 NoEntryInLookupTable(String, String),
500
501 #[error("Can only encode value type {value_kind:?} as one of {supported_schema:?}")]
502 EncodeValueAsSchemaError {
503 value_kind: ValueKind,
504 supported_schema: Vec<SchemaKind>,
505 },
506 #[error(
507 "Internal buffer not drained properly. Re-initialize the single object writer struct!"
508 )]
509 IllegalSingleObjectWriterState,
510
511 #[error("Codec '{0}' is not supported/enabled")]
512 CodecNotSupported(String),
513
514 #[error("Invalid Avro data! Cannot read codec type from value that is not Value::Bytes.")]
515 BadCodecMetadata,
516}
517
518#[derive(thiserror::Error, PartialEq)]
519pub enum CompatibilityError {
520 #[error("Incompatible schema types! Writer schema is '{writer_schema_type}', but reader schema is '{reader_schema_type}'")]
521 WrongType {
522 writer_schema_type: String,
523 reader_schema_type: String,
524 },
525
526 #[error("Incompatible schema types! The {schema_type} should have been {expected_type:?}")]
527 TypeExpected {
528 schema_type: String,
529 expected_type: Vec<SchemaKind>,
530 },
531
532 #[error("Incompatible schemata! Field '{0}' in reader schema does not match the type in the writer schema")]
533 FieldTypeMismatch(String, #[source] Box<CompatibilityError>),
534
535 #[error("Incompatible schemata! Field '{0}' in reader schema must have a default value")]
536 MissingDefaultValue(String),
537
538 #[error("Incompatible schemata! Reader's symbols must contain all writer's symbols")]
539 MissingSymbols,
540
541 #[error("Incompatible schemata! All elements in union must match for both schemas")]
542 MissingUnionElements,
543
544 #[error("Incompatible schemata! Name and size don't match for fixed")]
545 FixedMismatch,
546
547 #[error("Incompatible schemata! The name must be the same for both schemas. Writer's name {writer_name} and reader's name {reader_name}")]
548 NameMismatch {
549 writer_name: String,
550 reader_name: String,
551 },
552
553 #[error(
554 "Incompatible schemata! Unknown type for '{0}'. Make sure that the type is a valid one"
555 )]
556 Inconclusive(String),
557}
558
559impl serde::ser::Error for Error {
560 fn custom<T: fmt::Display>(msg: T) -> Self {
561 Error::SerializeValue(msg.to_string())
562 }
563}
564
565impl serde::de::Error for Error {
566 fn custom<T: fmt::Display>(msg: T) -> Self {
567 Error::DeserializeValue(msg.to_string())
568 }
569}
570
571impl fmt::Debug for Error {
572 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
573 let mut msg = self.to_string();
574 if let Some(e) = self.source() {
575 msg.extend([": ", &e.to_string()]);
576 }
577 write!(f, "{}", msg)
578 }
579}
580
581impl fmt::Debug for CompatibilityError {
582 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
583 let mut msg = self.to_string();
584 if let Some(e) = self.source() {
585 msg.extend([": ", &e.to_string()]);
586 }
587 write!(f, "{}", msg)
588 }
589}