2011-02-14 11:18:05,293 ERROR org.apache.hadoop.mapred.TaskTracker: Caught exception: java.io.IOException: Call to <server>/10.114.195.131:8021 failed on local exception: java.io.EOFException
	at org.apache.hadoop.ipc.Client.wrapException(Client.java:775)
	at org.apache.hadoop.ipc.Client.call(Client.java:743)
	at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
	at org.apache.hadoop.mapred.$Proxy4.heartbeat(Unknown Source)
	at org.apache.hadoop.mapred.TaskTracker.transmitHeartBeat(TaskTracker.java:1215)
	at org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:1037)
	at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:1720)
	at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:2833)
Caused by: java.io.EOFException
	at java.io.DataInputStream.readInt(DataInputStream.java:375)
	at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:501)
	at org.apache.hadoop.ipc.Client$Connection.run(Client.java:446)