crctest failed on hudson patch test

http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-vesta.apache.org/53/testReport/org.apache.zookeeper.server/CRCTest/testChecksums/

crctest failed with

Error Message

Unreasonable length = 518291091

Stacktrace

java.io.IOException: Unreasonable length = 518291091
at org.apache.jute.BinaryInputArchive.readBuffer(BinaryInputArchive.java:101)
at org.apache.zookeeper.server.DataNode.deserialize(DataNode.java:116)
at org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:109)
at org.apache.zookeeper.server.DataTree.deserialize(DataTree.java:954)
at org.apache.zookeeper.server.util.SerializeUtils.deserializeSnapshot(SerializeUtils.java:91)
at org.apache.zookeeper.server.persistence.FileSnap.deserialize(FileSnap.java:125)
at org.apache.zookeeper.server.CRCTest.testChecksums(CRCTest.java:146)