Josh Elser created ACCUMULO-4672:
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Summary: NPE extracting samplerConfiguration from InputSplit
Key: ACCUMULO-4672
URL: https://issues.apache.org/jira/browse/ACCUMULO-4672
Project: Accumulo
Issue Type: Bug
Components: mapreduce
Reporter: Josh Elser
Assignee: Josh Elser
Priority: Minor
Fix For: 1.8.2
{noformat}
Caused by: java.lang.NullPointerException
at
org.apache.accumulo.core.client.mapred.AbstractInputFormat$AbstractRecordReader.initialize(AbstractInputFormat.java:608)
at
org.apache.accumulo.core.client.mapred.AccumuloRowInputFormat$1.initialize(AccumuloRowInputFormat.java:60)
at
org.apache.accumulo.core.client.mapred.AccumuloRowInputFormat.getRecordReader(AccumuloRowInputFormat.java:84)
{noformat}
I still need to dig into this one and try to write a test case for it that
doesn't involve Hive (as it may have just been something that I was doing).
Best as I can tell..
AbstractInputFormat extracts a default table configuration object from the
Job's Configuration class:
{code}
InputTableConfig tableConfig = getInputTableConfig(job,
baseSplit.getTableName());
{code}
Eventually, the same class tries to extract the samplerConfiguration from this
tableConfig (after noticing it is not present in the InputSplit) and this
throws an NPE. Somehow the tableConfig was null. It very well could be that
Hive was to blame, I just wanted to make sure that this was captured before I
forgot about it.
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