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Posted to github@beam.apache.org by "stiv1qaz1 (via GitHub)" <gi...@apache.org> on 2023/04/18 07:39:10 UTC
[GitHub] [beam] stiv1qaz1 opened a new issue, #26318: [Bug]: SchemaParseException: Can't redefine: list
stiv1qaz1 opened a new issue, #26318:
URL: https://github.com/apache/beam/issues/26318
### What happened?
When BigQueryIO tries to convert a structure to an Avro schema, it generates a schema for the structure. However, when BigQueryIO tries to convert the schema to a string, it crashes with an error.
It cannot convert schemas that reuse group field names in inner structures. This is because Avro record types must have unique names, and the converter creates an Avro record schema in this case. The result is an invalid Avro schema.
The `org.apache.avro.Schema$Names` map is a map that stores the names of the fields in an Avro schema. When the code tries to register the identifier org.apache.beam.sdk.io.gcp.bigquery.identifier twice in the map, it causes a collision resulting in the following stack trace downstream:
```
Caused by: org.apache.avro.SchemaParseException: Can't redefine: list
at org.apache.avro.Schema$Names.put(Schema.java:1586)
at org.apache.avro.Schema$NamedSchema.writeNameRef(Schema.java:844)
at org.apache.avro.Schema$RecordSchema.toJson(Schema.java:1011)
at org.apache.avro.Schema$UnionSchema.toJson(Schema.java:1278)
at org.apache.avro.Schema$RecordSchema.fieldsToJson(Schema.java:1039)
at org.apache.avro.Schema$RecordSchema.toJson(Schema.java:1023)
at org.apache.avro.Schema$ArraySchema.toJson(Schema.java:1173)
at org.apache.avro.Schema$RecordSchema.fieldsToJson(Schema.java:1039)
at org.apache.avro.Schema$RecordSchema.toJson(Schema.java:1023)
at org.apache.avro.Schema$ArraySchema.toJson(Schema.java:1173)
at org.apache.avro.Schema$RecordSchema.fieldsToJson(Schema.java:1039)
at org.apache.avro.Schema$RecordSchema.toJson(Schema.java:1023)
at org.apache.avro.Schema$UnionSchema.toJson(Schema.java:1278)
at org.apache.avro.Schema$RecordSchema.fieldsToJson(Schema.java:1039)
at org.apache.avro.Schema$RecordSchema.toJson(Schema.java:1023)
at org.apache.avro.Schema$ArraySchema.toJson(Schema.java:1173)
at org.apache.avro.Schema$RecordSchema.fieldsToJson(Schema.java:1039)
at org.apache.avro.Schema$RecordSchema.toJson(Schema.java:1023)
at org.apache.avro.Schema.toString(Schema.java:433)
at org.apache.avro.Schema.toString(Schema.java:405)
at org.apache.avro.Schema.toString(Schema.java:396)
at org.apache.beam.sdk.io.gcp.bigquery.BigQuerySourceBase.createSources(BigQuerySourceBase.java:241)
at org.apache.beam.sdk.io.gcp.bigquery.BigQuerySourceBase.split(BigQuerySourceBase.java:164)
at org.apache.beam.runners.direct.BoundedReadEvaluatorFactory$InputProvider.getInitialInputs(BoundedReadEvaluatorFactory.java:217)
at org.apache.beam.runners.direct.ReadEvaluatorFactory$InputProvider.getInitialInputs(ReadEvaluatorFactory.java:88)
at org.apache.beam.runners.direct.RootProviderRegistry.getInitialInputs(RootProviderRegistry.java:80)
```
This happened for Beam versions: `2.43,2.44,2.45,2.46`
### Issue Priority
Priority: 2 (default / most bugs should be filed as P2)
### Issue Components
- [ ] Component: Python SDK
- [ ] Component: Java SDK
- [ ] Component: Go SDK
- [ ] Component: Typescript SDK
- [X] Component: IO connector
- [ ] Component: Beam examples
- [ ] Component: Beam playground
- [ ] Component: Beam katas
- [ ] Component: Website
- [ ] Component: Spark Runner
- [ ] Component: Flink Runner
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- [ ] Component: Google Cloud Dataflow Runner
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[GitHub] [beam] johnjcasey closed issue #26318: [Bug]: SchemaParseException: Can't redefine: list
Posted by "johnjcasey (via GitHub)" <gi...@apache.org>.
johnjcasey closed issue #26318: [Bug]: SchemaParseException: Can't redefine: list
URL: https://github.com/apache/beam/issues/26318
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[GitHub] [beam] brodseba commented on issue #26318: [Bug]: SchemaParseException: Can't redefine: list
Posted by "brodseba (via GitHub)" <gi...@apache.org>.
brodseba commented on issue #26318:
URL: https://github.com/apache/beam/issues/26318#issuecomment-1545724331
Duplicate of: https://github.com/apache/beam/issues/25526
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[GitHub] [beam] johnjcasey commented on issue #26318: [Bug]: SchemaParseException: Can't redefine: list
Posted by "johnjcasey (via GitHub)" <gi...@apache.org>.
johnjcasey commented on issue #26318:
URL: https://github.com/apache/beam/issues/26318#issuecomment-1570802011
closing as duplicate
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