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https://issues.apache.org/jira/browse/PIG-3297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13641891#comment-13641891
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Niels Basjes commented on PIG-3297:
-----------------------------------
I have a working fix that I'll submit shortly.
> 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
>
> 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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