Github user rmetzger commented on a diff in the pull request:
https://github.com/apache/flink/pull/2236#discussion_r70780347
--- Diff:
flink-streaming-connectors/flink-connector-kafka-base/src/test/java/org/apache/flink/streaming/connectors/kafka/testutils/MockRuntimeContext.java
---
@@ -161,6 +163,11 @@ public Histogram getHistogram(String name) {
}
@Override
+ public MetricGroup getMetricGroup() {
+ return new UnregisteredTaskMetricsGroup.DummyIOMetricGroup();
--- End diff --
I was getting a null pointer exception, that's why I return dummy metrics
here.
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