[HADOOP-120] Reading an ArrayWriter does not work because valueClass does not get initialized

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.15.0
• Fix Version/s: 0.15.0
• Component/s: io

Environment

Red Hat

• Assignee: Cameron Pope
• Reporter: Dick King
• Created: 05/Apr/06 07:54
• Updated: 05/Nov/07 18:11
• Resolved: 18/Sep/07 18:26

Description

If you have a Reducer whose value type is an ArrayWriter it gets enstreamed alright but at reconstruction type when ArrayWriter::readFields(DataInput in) runs on a DataInput that has a nonempty ArrayWriter , newInstance fails trying to instantiate the null class.