Wrong type used in TableMapReduceUtil.initTableReduceJob()
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Key: HBASE-1871
URL: https://issues.apache.org/jira/browse/HBASE-1871
Project: Hadoop HBase
Issue Type: Bug
Affects Versions: 0.20.0
Reporter: Lars George
Assignee: Lars George
Fix For: 0.20.1
Since we changed it so that TableOutputFormat can handle Put and Delete it is
necessary to set the output value class to Writable.
{code}
public static void initTableReducerJob(String table,
Class<? extends TableReducer> reducer, Job job, Class partitioner)
throws IOException {
job.setOutputFormatClass(TableOutputFormat.class);
if (reducer != null) job.setReducerClass(reducer);
job.getConfiguration().set(TableOutputFormat.OUTPUT_TABLE, table);
job.setOutputKeyClass(ImmutableBytesWritable.class);
job.setOutputValueClass(Put.class);
....
{code}
The last line should be
{code}
job.setOutputValueClass(Writable.class);
{code}
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