[AVRO-1823] DataFileStream to include the exception when reading of the magic fail

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 1.8.1
• Assignee: Koji Noguchi
• Reporter: Koji Noguchi
• Created: 06/Apr/16 16:20
• Updated: 16/Apr/16 21:30
• Resolved: 16/Apr/16 21:30

Description

When reading the Avro file failed with

Caused by: java.io.IOException: Not a data file.
	at org.apache.avro.file.DataFileStream.initialize(DataFileStream.java:102)

it made the debugging a bit hard since the exception causing it was swallowed and not shown to the user.