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From Parth Patil <parthpa...@gmail.com>
Subject Re: Unable to run hadoop_cql3_word_count examples
Date Mon, 09 Dec 2013 17:56:19 GMT
Thanks Nate, I will file a ticket.


On Mon, Dec 9, 2013 at 7:34 AM, Nate McCall <nate@thelastpickle.com> wrote:

> If you got that error on an unmodified example from the latest source,
> please open an issue:
> https://issues.apache.org/jira/browse/CASSANDRA
>
>
> On Sun, Dec 8, 2013 at 8:00 PM, Parth Patil <parthpatil@gmail.com> wrote:
>
>> Hi Aaron,
>> Thanks for your response. I didn't make any change to the code when I got
>> that exception. I just ran the example as is after I cloned the repo from
>> github.
>>
>> I did a git pull today on cassandra-2.0 branch, built via ant and re-ran
>> the example and now I am not getting the error from before but I am now
>> getting the following error as shown in this gist
>> https://gist.github.com/parth-patil/7864738
>>
>>
>>
>>
>> On Sun, Dec 8, 2013 at 11:30 AM, Aaron Morton <aaron@thelastpickle.com>wrote:
>>
>>> InvalidRequestException(why:consistency level LOCAL_ONE not compatible
>>> with replication strategy (org.apache.cassandra.locator.SimpleStrategy)) at
>>>
>>> The LOCAL_ONE consistency level can only be used with the
>>> NetworkTopologyStrategy.
>>>
>>> I had a quick look and the code does not use LOCAL_ONE, did you make a
>>> change?
>>>
>>> Cheers
>>>
>>>  -----------------
>>> Aaron Morton
>>> New Zealand
>>> @aaronmorton
>>>
>>> Co-Founder & Principal Consultant
>>> Apache Cassandra Consulting
>>> http://www.thelastpickle.com
>>>
>>> On 3/12/2013, at 10:03 pm, Parth Patil <parthpatil@gmail.com> wrote:
>>>
>>> Hi,
>>> I am new to Cassandra and I am exploring the Hadoop integration
>>> (MapReduce) provided by Cassandra.
>>>
>>> I am trying to run the hadoop examples provided in the cassandra's repo
>>> under examples/hadoop_cql3_word_count. I am using the cassandra-2.0 branch.
>>> I have a single node cassandra running locally. I was able to run the
>>> ./bin/word_count_setup step successfully but when I run the
>>> ./bin/word_count step I am getting the following error :
>>>
>>> java.lang.RuntimeException at
>>> org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader$RowIterator.executeQuery(CqlPagingRecordReader.java:661)
>>> at
>>> org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader$RowIterator.(CqlPagingRecordReader.java:297)
>>> at
>>> org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader.initialize(CqlPagingRecordReader.java:163)
>>> at
>>> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:522)
>>> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:763) at
>>> org.apache.hadoop.mapred.MapTask.run(MapTask.java:370) at
>>> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:212)
>>> Caused by: InvalidRequestException(why:consistency level LOCAL_ONE not
>>> compatible with replication strategy
>>> (org.apache.cassandra.locator.SimpleStrategy)) at
>>> org.apache.cassandra.thrift.Cassandra$execute_prepared_cql3_query_result$execute_prepared_cql3_query_resultStandardScheme.read(Cassandra.java:52627)
>>> at
>>> org.apache.cassandra.thrift.Cassandra$execute_prepared_cql3_query_result$execute_prepared_cql3_query_resultStandardScheme.read(Cassandra.java:52604)
>>> at
>>> org.apache.cassandra.thrift.Cassandra$execute_prepared_cql3_query_result.read(Cassandra.java:52519)
>>> at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78) at
>>> org.apache.cassandra.thrift.Cassandra$Client.recv_execute_prepared_cql3_query(Cassandra.java:1785)
>>> at
>>> org.apache.cassandra.thrift.Cassandra$Client.execute_prepared_cql3_query(Cassandra.java:1770)
>>> at
>>> org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader$RowIterator.executeQuery(CqlPagingRecordReader.java:631)
>>> ... 6 more
>>> ------------------------------
>>>
>>> Has anyone seen this before ? Am I missing something ?
>>>
>>> --
>>> Best,
>>> Parth
>>>
>>>
>>>
>>
>>
>> --
>> Best,
>> Parth
>>
>
>
>
> --
> -----------------
> Nate McCall
> Austin, TX
> @zznate
>
> Co-Founder & Sr. Technical Consultant
>
> Apache Cassandra Consulting
> http://www.thelastpickle.com
>



-- 
Best,
Parth

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