[AVRO-1457] ReadOnly ByteBuffer serialization state changes after writing

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.7.4
• Fix Version/s: 1.7.7
• Assignee: Rob Turner
• Reporter: GregWhitsitt
• Created: 12/Feb/14 20:50
• Updated: 24/Jul/14 20:16
• Resolved: 28/May/14 21:26

Description

Using the GenericDatumWriter specifically, writing out an avro containing a read-only ByteBuffer changes state of the original object, making it unusable after the initial write. Potentially either the ByteBuffer needs to be copied prior to writing if read-only, or the offset needs to be reset after writing.

I'll attach a simple test which shows the issue