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https://issues.apache.org/jira/browse/PIG-3297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13661347#comment-13661347
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Niels Basjes commented on PIG-3297:
-----------------------------------
In reply to the question Michael Moss posted to the Avro mailing list the
reponse was that the proposed fix is the correct way to solve the issue.
See:
http://mail-archives.apache.org/mod_mbox/avro-user/201305.mbox/%3ccdb6aec8.ee942%[email protected]%3E
Quote:{Quote}
The change in the Pig loader in PIG-3297 seems correct they must use
CharSequence, not Utf8.
{Quote}
> Avro files with stringType set to String cannot be read by the AvroStorage
> LoadFunc
> -----------------------------------------------------------------------------------
>
> Key: PIG-3297
> URL: https://issues.apache.org/jira/browse/PIG-3297
> Project: Pig
> Issue Type: Bug
> Components: piggybank
> Affects Versions: 0.11.1
> Reporter: Niels Basjes
> Attachments: PIG-3297-1.patch, test_record.avro
>
>
> When an Avro file is created there exists the option to set the "String Type"
> to a different class than the default Utf8.
> A very common situation is that the "String Type" is set to the default
> String class.
> When trying to read such an Avro file in Pig using the AvroStorage LoadFunc
> from the included piggybank this gives the following Exception:
> Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to
> org.apache.avro.util.Utf8
> at
> org.apache.pig.piggybank.storage.avro.PigAvroDatumReader.readString(PigAvroDatumReader.java:154)
> at
> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:150)
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