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From "Jakob Homan (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-3095) Self-referencing Avro schema creates infinite loop on table creation
Date Wed, 06 Jun 2012 17:56:23 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jakob Homan reassigned HIVE-3095:
---------------------------------

    Assignee: Jakob Homan
    
> Self-referencing Avro schema creates infinite loop on table creation
> --------------------------------------------------------------------
>
>                 Key: HIVE-3095
>                 URL: https://issues.apache.org/jira/browse/HIVE-3095
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>    Affects Versions: 0.9.1
>            Reporter: Keegan Mosley
>            Assignee: Jakob Homan
>            Priority: Minor
>              Labels: avro
>
> An Avro schema which has a field reference to itself will create an infinite loop which
eventually throws a StackOverflowError.
> To reproduce using the linked-list example from http://avro.apache.org/docs/1.6.1/spec.html
> create table linkedListTest row format serde 'org.apache.hadoop.hive.serde2.avro.AvroSerDe'
> with serdeproperties ('avro.schema.literal'='
> {
>    "type": "record", 
>    "name": "LongList",
>    "aliases": ["LinkedLongs"],                      // old name for this
>    "fields" : [
>       {"name": "value", "type": "long"},             // each element has a long
>       {"name": "next", "type": ["LongList", "null"]} // optional next element
>    ]
> }
> ')
> stored as inputformat 'org.apache.hadoop.hive.ql.io.avro.AvroContainerInputFormat'
> outputformat 'org.apache.hadoop.hive.ql.io.avro.AvroContainerOutputFormat';

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