[ZOOKEEPER-1507] review reading epoch files, improve logging

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.4.3, 3.5.0
• Component/s: server
• Assignee: Unassigned
• Reporter: Patrick D. Hunt
• Created: 06/Jul/12 17:00
• Updated: 06/Jul/12 17:00

Description

When reading an epoch file we should log (error level) any problems encountered.

org.apache.zookeeper.server.quorum.QuorumPeer.readLongFromFile(String)

At the same time let's verify the call paths are handled properly.