Github user rmetzger commented on the pull request:
https://github.com/apache/flink/pull/1590#issuecomment-180283281
Looks like one test needs to be adopted
```
testCheckpointing(org.apache.flink.streaming.connectors.kafka.Kafka08ITCase)
Time elapsed: 0.194 sec <<< ERROR!
java.lang.UnsupportedOperationException: null
at
org.apache.flink.streaming.connectors.kafka.testutils.MockRuntimeContext.getUserCodeClassLoader(MockRuntimeContext.java:101)
at
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer08.open(FlinkKafkaConsumer08.java:254)
at
org.apache.flink.streaming.connectors.kafka.KafkaConsumerTestBase.runCheckpointingTest(KafkaConsumerTestBase.java:177)
at
org.apache.flink.streaming.connectors.kafka.Kafka08ITCase.testCheckpointing(Kafka08ITCase.java:45)
```
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