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From "Scott Carey (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AVRO-1037) Problems using Avro 1.6.2 with Hadoop (CDH3 or 1.0)
Date Thu, 23 Feb 2012 23:05:49 GMT

     [ https://issues.apache.org/jira/browse/AVRO-1037?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Scott Carey updated AVRO-1037:
------------------------------

    Attachment: AVRO-1037.patch
    
> Problems using Avro 1.6.2 with Hadoop (CDH3 or 1.0)
> ---------------------------------------------------
>
>                 Key: AVRO-1037
>                 URL: https://issues.apache.org/jira/browse/AVRO-1037
>             Project: Avro
>          Issue Type: Bug
>          Components: java
>    Affects Versions: 1.6.2
>            Reporter: Scott Carey
>            Assignee: Scott Carey
>             Fix For: 1.6.3
>
>         Attachments: AVRO-1037.patch
>
>
> AVRO-972 uses a method on JsonNode that was introduced with Jackson 1.6.0.  Unfortunately,
Hadoop in a distributed environment places jackson on the mapreduce classpath prior to a user's
Jar.
> Avro should function when this happens.
> There are two things we are using that are new in Jackson 1.6.0 -- JsonNode.getValueAsDouble()
 and MinimalPrettyPrinter
> MinimalPrettyPrinter is OK because the class is new, and if there is a Jackson 1.5.x
jar on a classpath before one that is >= 1.6.0, it will find the class in the second jar.
 We need to avoid JsonNode.getValueAsDouble() however.  There is a replacement that is equivalent
and existed prior, JsonNode.getDoubleValue().

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