Github user dongjoon-hyun commented on the issue:
https://github.com/apache/spark/pull/16795
So far, **ReplSuite** failures are observed. One is OOM and the other is
the other is ClosureCleaner. Both happens after the testcase, `define case
class and create Dataset together with paste mode`. It seems there is some
flakiness on that suite. I'll take a closer look for that suite.
hadoop-2.7
```
ReplSuite:
...
- define case class and create Dataset together with paste mode
Spark context available as 'sc' (master = local-cluster[1,4,4096], app id =
app-20170208112317-0000).
Spark session available as 'spark'.
Exception in thread "ExecutorRunner for app-20170208112317-0000/94"
java.lang.OutOfMemoryError: Java heap space
```
hadoop-2.6
```
ReplSuite:
...
- define case class and create Dataset together with paste mode
Spark context available as 'sc' (master = local-cluster[1,4,4096], app id =
app-20170208112342-0000).
Spark session available as 'spark'.
- should clone and clean line object in ClosureCleaner *** FAILED ***
isContain was true Interpreter output contained 'Exception':
```
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