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From David Snyder <da...@infochimps.com>
Subject Fwd: wordCount example cannot find Zookeeper server
Date Wed, 23 Jul 2014 23:14:26 GMT
Hello!


I've recently installed Accumulo 1.6 on a 3 node cluster and have the
processes started and configured correctly to my knowledge, but I am having
difficulty running the wordCount example.

Specifically, when I run:

`./bin/accumulo org.apache.accumulo.examples.simple.mapreduce.WordCount -i
accumulo -z zookeeper0:2181 --input /user/jenkins/README -t wordCount -u
root -p root --debug`

I get the following Thrift error which appears to be from a failure to
communicate with my Zookeeper server:
https://gist.github.com/davidsnyder/b33fad7b92bc6a906809

Despite the fact that I can run ListInstances just fine with the same "-z"
zookeeper arg:

[user@hdp0 accumulo]$ ./bin/accumulo
org.apache.accumulo.server.util.ListInstances -z zookeeper0:2181

INFO : Using ZooKeepers zookeeper0:2181

 Instance Name       | Instance ID                          | Master


---------------------+--------------------------------------+-------------------------------

          "accumulo" | 4505350e-1f07-48f0-902b-509722e968f5 |


I also passed the public ip of the zookeeper instance instead of the DNS,
but I also verified that the DNS was resolving:

[user@hdp0 accumulo]$ host zookeeper0

zookeeper0.XXX.XXX has address 10.0.1.18

[user@hdp0 accumulo]$ echo ruok | nc zookeeper0 2181

imok[user@hdp0 accumulo]$


I can create tables in the shell, insert records, scan, everything just
fine.  The monitor GUI shows my two tablet servers and there are no other
errors to speak of.  I also attempted to use the helloworld
"org.apache.accumulo.examples.simple.helloworld.InsertWithBatchWriter" jar
and received the same result as I did with WordCount.  There's nothing to
speak of in the accumulo logs.  The zookeeper logs repeatedly show the
following when I run the wordCount command line (10.0.0.1 is the internal
ip of hdp0):


014-07-23 22:57:50,670 [myid:] - INFO  [Thread-3079:NIOServerCnxn@1001] -
Closed socket connection for client /10.0.0.101:44342 (no session
established for client)

2014-07-23 22:57:55,671 [myid:] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] - Accepted socket connection
from /10.0.0.101:44363

2014-07-23 22:57:55,671 [myid:] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:NIOServerCnxn@821] - Processing stat command from /
10.0.0.101:44363

2014-07-23 22:57:55,672 [myid:] - INFO  [Thread-3081:NIOServerCnxn@1001] -
Closed socket connection for client /10.0.0.101:44363 (no session
established for client)

2014-07-23 22:58:00,673 [myid:] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] - Accepted socket connection
from /10.0.0.101:44380

2014-07-23 22:58:00,677 [myid:] - INFO  [NIOServerCxn.Factory:
0.0.0.0/0.0.0.0:2181:NIOServerCnxn@821] - Processing stat command from /
10.0.0.101:44380

2014-07-23 22:58:00,678 [myid:] - INFO  [Thread-3083:NIOServerCnxn@1001] -
Closed socket connection for client /10.0.0.101:44380 (no session
established for client)


I'm really not sure what else to try at this point.  Any ideas?


Thanks,


David Snyder

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