TestDFSClientRetries->testGetFileChecksum fails on IBM JAVA 6

testGetFileChecksum(org.apache.hadoop.hdfs.TestDFSClientRetries) Time elapsed: 3993 sec <<< ERROR!
org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /testGetFileChecksum could only be replicated to 0 nodes instead of minReplication (=1). There are 3 datanode(s) running and 3 node(s) are excluded in this operation.
at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(BlockManager.java:1339)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2186)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:491)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:351)
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:40744)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:454)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1014)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1735)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1731)
at java.security.AccessController.doPrivileged(AccessController.java:310)
at javax.security.auth.Subject.doAs(Subject.java:573)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1441)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1729)

at org.apache.hadoop.ipc.Client.call(Client.java:1235)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:202)
at $Proxy10.addBlock(Unknown Source)
at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:611)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83)
at $Proxy10.addBlock(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:311)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1156)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1009)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:464)