CODEWITHSUNDEEP
javaauthenticationhadoopkerberos
gary69
gary69

Reputation: 4250

Hadoop enable simple authentication

I tried the steps listed here How to disable Hadoop Kerberos but my datanode wouldn't start because of this exception

java.lang.IllegalArgumentException: Does not contain a valid host:port authority: 50010
        at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:212)
        at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:164)
        at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:153)

I have apache hadoop 2.6 installed on a CentOS vm. I started hadoop with start-dfs.sh and start-yarn.sh. I'm trying to connect to hadoop from a java client with hdfs protocol but I am getting the below exception. 

Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException): SIMPLE authentication is not enabled.  Available:[TOKEN]
    at org.apache.hadoop.ipc.Client.call(Client.java:1468)
    at org.apache.hadoop.ipc.Client.call(Client.java:1399)
    at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)

I've seen a similar exception posted a few times by other people but it usually ends in [TOKEN, KERBEROS]. Do I need to enable KERBEROS authentication or is TOKEN something else? Ideally I would like to just use simple authentication. If I can't use simple authentication would installing CDH4 satisfy the TOKEN authentication?

Upvotes: 1

Views: 3508

Answers (1)

gary69
gary69

Reputation: 4250

The problem was that I was sending my request to the node address port I got from localhost:8088 and not port 8020 or whatever port is specified in fs.defaultFS in core-site.xml.

Upvotes: 1

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