java.io.EOFException

i use 3 activemq brokers with replicated levelDb master-slave mode

why happened?how to deal with it??

2014-08-13 09:44:12,470 | INFO | Slave has now caught up:
9fdb82cf-a99f-4b0a-b7
7-597e4bb0a799 | org.apache.activemq.leveldb.replicated.MasterLevelDBStore |
haw
dispatch-DEFAULT-3
2014-08-13 09:44:38,609 | INFO | Stopping BrokerService[spsdep51] due to
except
on, java.io.EOFException: File '/home/activemq/data/000000009c422e84.log'
offset
20455994963 | org.apache.activemq.util.DefaultIOExceptionHandler | LevelDB
IOEx
eption handler.
java.io.EOFException: File '/home/activemq/data/000000009c422e84.log'
offset: 20
55994963
at
org.apache.activemq.leveldb.RecordLog$LogReader.read(RecordLog.scala:
99)
at
org.apache.activemq.leveldb.RecordLog$$anonfun$read$2.apply(RecordLog
scala:564)