[ACCUMULO-476] java.lang.ClassCastException: com.mapr.fs.MapRFileSystem cannot be cast to org.apache.hadoop.hdfs.DistributedFileSystem

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.4.0
• Component/s: logger, master, tserver

Environment

Accumulo 1.4 rc 2 on mapr m5.

• Assignee: Eric C. Newton
• Reporter: Todd Stavish
• Created: 20/Mar/12 17:06
• Updated: 08/Aug/12 15:43
• Resolved: 20/Mar/12 19:52

Description

From Keith Turner on the accumulo user group:

I looked at the code and its just simply cast to a
DistributedFileSystem inorder to check if HDFS is in safe mode. It
should do an instanceof operation and then do the case. Would you
mind opening a ticket about this?