[
https://issues.apache.org/jira/browse/HIVE-24797?focusedWorklogId=554692&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-554692
]
ASF GitHub Bot logged work on HIVE-24797:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 19/Feb/21 10:16
Start Date: 19/Feb/21 10:16
Worklog Time Spent: 10m
Work Description: 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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Issue Time Tracking
-------------------
Worklog Id: (was: 554692)
Remaining Estimate: 0h
Time Spent: 10m
> Disable validate default values when parsing Avro schemas
> ---------------------------------------------------------
>
> Key: HIVE-24797
> URL: https://issues.apache.org/jira/browse/HIVE-24797
> Project: Hive
> Issue Type: Bug
> Reporter: Yuming Wang
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> It will throw exceptions when upgrading Avro to 1.10.1 for this schema:
> {code:json}
> {
> "type": "record",
> "name": "EventData",
> "doc": "event data",
> "fields": [
> {"name": "ARRAY_WITH_DEFAULT", "type": {"type": "array", "items":
> "string"}, "default": null }
> ]
> }
> {code}
> {noformat}
> 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)
> {noformat}
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