Andreas Christodoulou created AVRO-2125:
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Summary: AvroRuntimeException: Not a union
Key: AVRO-2125
URL: https://issues.apache.org/jira/browse/AVRO-2125
Project: Avro
Issue Type: Bug
Reporter: Andreas Christodoulou
Attachments: all-types-schema.avsc, data.json
I have an Avro schema which I am using as part of our Apache Beam pipeline
tests, and using the avro-tools-1.8.2 tool I have generated random data from
the Avro schema. In the tests I am using this data with the schema, but I get
the following Java exception:
{code:java}
org.apache.avro.AvroRuntimeException: Not a union:
{"type":"record","name":"sampleArrayRecord","namespace":"gamesys.sample","fields":[{"name":"sampleArrayRecordString","type":"string"}]}
{code}
I have attached the schema and the data I've used, and the relevant stacktrace
is given below:
{code:java}
Caused by: com.fasterxml.jackson.databind.JsonMappingException: Not a union:
{"type":"record","name":"sampleArrayRecord","namespace":"gamesys.sample","fields":[{"name":"sampleArrayRecordString","type":"string"}]}
(through reference chain:
com.google.api.services.bigquery.model.TableRow["sampleArray"]->org.apache.avro.generic.GenericData$Array[0]->org.apache.avro.generic.GenericData$Record["schema"]->org.apache.avro.Schema$RecordSchema["types"])
at
com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:388)
at
com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:348)
at
com.fasterxml.jackson.databind.ser.std.StdSerializer.wrapAndThrow(StdSerializer.java:343)
at
com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:697)
at
com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
at
com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:704)
at
com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:689)
at
com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
at
com.fasterxml.jackson.databind.ser.std.CollectionSerializer.serializeContents(CollectionSerializer.java:149)
at
com.fasterxml.jackson.databind.ser.std.CollectionSerializer.serialize(CollectionSerializer.java:112)
at
com.fasterxml.jackson.databind.ser.std.CollectionSerializer.serialize(CollectionSerializer.java:25)
at
com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:633)
at
com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:536)
at
com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:30)
at
com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:292)
at
com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3697)
at
com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:3073)
at
org.apache.beam.sdk.io.gcp.bigquery.TableRowJsonCoder.encode(TableRowJsonCoder.java:49)
at
org.apache.beam.sdk.io.gcp.bigquery.TableRowJsonCoder.encode(TableRowJsonCoder.java:34)
at
org.apache.beam.sdk.util.CoderUtils.encodeToSafeStream(CoderUtils.java:93)
... 22 more
Caused by: org.apache.avro.AvroRuntimeException: Not a union:
{"type":"record","name":"sampleArrayRecord","namespace":"gamesys.sample","fields":[{"name":"sampleArrayRecordString","type":"string"}]}
at org.apache.avro.Schema.getTypes(Schema.java:299)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:664)
at
com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:689)
... 38 more
{code}
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