hadoop - Hive Could not initialize class java.net.NetworkInterface -

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i have emr setup, supposed come hive , hadoop pre-configured.

as far, can see command require mapreduce job, hive fails.

failed: execution error, return code 2 org.apache.hadoop.hive.ql.exec.mr.mapredtask

so, went job tracking url, , here relevant output:

diagnostics: not initialize class java.net.networkinterface java.lang.noclassdeffounderror: not initialize class java.net.networkinterface @ org.apache.hadoop.net.netutils.islocaladdress(netutils.java:690) ...

any error appreciated...

stack trace points codes:

org.apache.hadoop.net.netutils

network interface definition

i got exact stacktrace when trying run datanode. ipv4 address of eth0 interface forward-resolvable in dns, wasn't reverse-resolvable (i.e. resolve hostname ip reverse lookup of ip corresponding hostname didn't work). datanode started expected once ptr record pointing ip hostname got created.


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