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https://issues.apache.org/jira/browse/PIG-3608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13840940#comment-13840940
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Rohini Palaniswamy commented on PIG-3608:
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With the testcase in PIG-3420, the key in AvroMapper was utf8 (i.e
isUtf8key=true), but the pig map had the key passed as String. I don't know in
what case you are getting ClassCastException. The full stack trace and pig
script would help to know what is happening.
> ClassCastException when looking up a value from AvroMapWrapper using a Utf8
> key
> -------------------------------------------------------------------------------
>
> Key: PIG-3608
> URL: https://issues.apache.org/jira/browse/PIG-3608
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.12.0
> Reporter: Richard Ding
> Assignee: Richard Ding
> Priority: Minor
> Attachments: PIG-3608.patch
>
>
> One got the following exception:
> {code}
> java.lang.ClassCastException: org.apache.avro.util.Utf8 incompatible with
> java.lang.String
> at
> org.apache.pig.impl.util.avro.AvroMapWrapper.get(AvroMapWrapper.java:80)
> {code}
> This is related to the change by PIG-3420.
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