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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-4506) binstorage fails to write biginteger
Date Wed, 29 Apr 2015 19:29:06 GMT

     [ https://issues.apache.org/jira/browse/PIG-4506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Dai updated PIG-4506:
----------------------------
    Status: Patch Available  (was: Open)

> binstorage fails to write biginteger
> ------------------------------------
>
>                 Key: PIG-4506
>                 URL: https://issues.apache.org/jira/browse/PIG-4506
>             Project: Pig
>          Issue Type: Bug
>          Components: data, impl
>            Reporter: Savvas Savvides
>             Fix For: 0.15.0
>
>         Attachments: PIG-4506-1.patch
>
>   Original Estimate: 5m
>  Remaining Estimate: 5m
>
> When trying to store a biginteger using binstorage the following error is issued (The
error might manifest elsewhere too):
> java.lang.RuntimeException: Unexpected data type -1 found in stream
> This is caused by a bug in the writeDatum method of the DataReaderWriter.java class.
When writeDatum is called with a BigInteger as a argument, the BigInteger is converted to
a byte[] and the writeDatum method is recursively called on the byte[]. writeDatum cannon
handle byte[] objects but instead expects DataByteArray objects.
> Suggested fix - wrap byte[] to DataByteArray:
> change this line:
> _writeDatum(out, ((BigInteger)val).toByteArray());_
> to this:
> _writeDatum(out, new DataByteArray(((BigInteger)val).toByteArray()));_



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