Josh Elser created ACCUMULO-4670:
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Summary: RangeInputSplit drops sasl-enabled boolean
Key: ACCUMULO-4670
URL: https://issues.apache.org/jira/browse/ACCUMULO-4670
Project: Accumulo
Issue Type: Bug
Components: mapreduce
Reporter: Josh Elser
Assignee: Josh Elser
Priority: Critical
Fix For: 1.7.4, 1.8.2, 2.0.0
When creating the RecordReader for a RangeInputSplit, the Split should
encapsulate all of the context of the configuration to invoke that Split (e.g.
instance info, connector info, scan iterators, etc).
However, the "useSasl" option is not preserved inside of the RangeInputSplit
which results in the split always using {{useSasl=false}}. This obviously
breaks Kerberos installations:
Offending code:
https://github.com/apache/accumulo/blob/f81a8ec7410e789d11941351d5899b8894c6a322/core/src/main/java/org/apache/accumulo/core/client/mapreduce/RangeInputSplit.java#L362-L376
A workaround is to make sure that the Configuration present in the call to
{{getRecordReader}} also has {{AccumuloInputFormat.setZooKeeperInstance}}
invoked on it (push the ClientConfiguration into the Configuration which will
result in it being merged with the details set on the input split).
{code}
if (useSasl) {
AccumuloInputFormat.setZooKeeperInstance(jobConf, instanceName,
zookeepers, useSasl);
}
{code}
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