ASF GitHub Bot commented on PARQUET-415:

rdblue commented on issue #305: PARQUET-415: Fix ByteBuffer Binary 
URL: https://github.com/apache/parquet-mr/pull/305#issuecomment-380143377
   @jinxing64, this is fixed in 1.9.0. It could result in the trace you pasted, 
I think. I'm not sure if that's actually happening though.

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> ByteBufferBackedBinary serialization is broken
> ----------------------------------------------
>                 Key: PARQUET-415
>                 URL: https://issues.apache.org/jira/browse/PARQUET-415
>             Project: Parquet
>          Issue Type: Bug
>          Components: parquet-mr
>    Affects Versions: 1.8.1
>            Reporter: Ryan Blue
>            Assignee: Ryan Blue
>            Priority: Blocker
>             Fix For: 1.9.0
> While working on logical types for parquet-avro, I updated the 
> {{FromStringBinary}} to work with a {{CharSequence}} instead of a {{String}}, 
> which broke {{TestFilterApiMethods#testSerializable}}. The underlying problem 
> is that when the buffer-backed binary is deserialized, {{length}} and 
> {{offset}} are not initialized so the buffer is correct but the apparent 
> length of the binary is 0.

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