wangyum opened a new pull request #1994:
URL: https://github.com/apache/hive/pull/1994
### What changes were proposed in this pull request?
This pr disable validate default values when parsing Avro schemas.
### Why are the changes needed?
It will throw exception when upgrading Avro to 1.10.1 for this schema::
```
{
"type": "record",
"name": "EventData",
"doc": "event data",
"fields": [
{"name": "ARRAY_WITH_DEFAULT", "type": {"type": "array", "items":
"string"}, "default": null }
]
}
```
```
org.apache.avro.AvroTypeException: Invalid default for field USERACTIONS:
null not a {"type":"array","items":"string"}
at org.apache.avro.Schema.validateDefault(Schema.java:1571)
at org.apache.avro.Schema.access$500(Schema.java:87)
at org.apache.avro.Schema$Field.<init>(Schema.java:544)
at org.apache.avro.Schema.parse(Schema.java:1678)
at org.apache.avro.Schema$Parser.parse(Schema.java:1425)
at org.apache.avro.Schema$Parser.parse(Schema.java:1396)
at
org.apache.hadoop.hive.serde2.avro.AvroSerdeUtils.getSchemaFor(AvroSerdeUtils.java:287)
at
org.apache.hadoop.hive.serde2.avro.AvroSerdeUtils.getSchemaFromFS(AvroSerdeUtils.java:170)
at
org.apache.hadoop.hive.serde2.avro.AvroSerdeUtils.determineSchemaOrThrowException(AvroSerdeUtils.java:139)
at
org.apache.hadoop.hive.serde2.avro.AvroSerDe.determineSchemaOrReturnErrorSchema(AvroSerDe.java:187)
at
org.apache.hadoop.hive.serde2.avro.AvroSerDe.initialize(AvroSerDe.java:107)
at
org.apache.hadoop.hive.serde2.avro.AvroSerDe.initialize(AvroSerDe.java:83)
at
org.apache.hadoop.hive.serde2.SerDeUtils.initializeSerDe(SerDeUtils.java:533)
at
org.apache.hadoop.hive.metastore.MetaStoreUtils.getDeserializer(MetaStoreUtils.java:493)
at
org.apache.hadoop.hive.ql.metadata.Partition.getDeserializer(Partition.java:225)
```
Related Avro ticket: https://issues.apache.org/jira/browse/AVRO-2035
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Manual test.
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