I am stumbling across this error while running the Hadoop Balancer via Namenode. Anytips on cracking this. The process is also blocking the current user and giving an Out of Memory error on issuing any other command.
14/05/09 11:30:05 WARN hdfs.LeaseRenewer: Failed to renew lease for [DFSClient_NONMAPREDUCE_-77290934_1] for 936 seconds. Will retry shortly ...
java.io.IOException: Failed on local exception: java.io.IOException: Couldn't set up IO streams; Host Details : local host is: "hadoop01.xx.xx.xx.xx.com/30.0.1.176"; destination host is: "hadoop01.xx.xx.xx.xx.com":8022;
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:763)
at org.apache.hadoop.ipc.Client.call(Client.java:1242)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:202)
at $Proxy10.renewLease(Unknown Source)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83)
at $Proxy10.renewLease(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.renewLease(ClientNamenodeProtocolTranslatorPB.java:458)
at org.apache.hadoop.hdfs.DFSClient.renewLease(DFSClient.java:649)
at org.apache.hadoop.hdfs.LeaseRenewer.renew(LeaseRenewer.java:417)
at org.apache.hadoop.hdfs.LeaseRenewer.run(LeaseRenewer.java:442)
at org.apache.hadoop.hdfs.LeaseRenewer.access$700(LeaseRenewer.java:71)
at org.apache.hadoop.hdfs.LeaseRenewer$1.run(LeaseRenewer.java:298)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.io.IOException: Couldn't set up IO streams
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:671)
at org.apache.hadoop.ipc.Client$Connection.access$2100(Client.java:252)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1291)
at org.apache.hadoop.ipc.Client.call(Client.java:1209)
... 15 more
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:640)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:664)
... 18 more
Copyright Notice：Content Author:「Yash Sharma」，Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article：https://stackoverflow.com/questions/23557879/hadoop-balancer-fails-with-ioexception-couldnt-set-up-io-streams-leaserenew