[HADOOP-1584] Bug in readFields of GenericWritable

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.12.3, 0.13.0, 0.14.0
• Fix Version/s: 0.14.0
• Component/s: io
• Assignee: Espen Amble Kolstad
• Reporter: Espen Amble Kolstad
• Created: 10/Jul/07 10:40
• Updated: 10/May/12 05:32
• Resolved: 11/Jul/07 19:37

Description

When getTypes() returns more than 127 entries, read of classes with index > 127 will fail.

  public void readFields(DataInput in) throws IOException {
    type = in.readByte();
    Class clazz = getTypes()[type];
    ...
  }

  public void readFields(DataInput in) throws IOException {
    type = in.readByte();
    Class clazz = getTypes()[type & 0xff];
    ...
  }