Github user srdo commented on a diff in the pull request:
https://github.com/apache/storm/pull/2147#discussion_r119406901
--- Diff:
external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/KafkaSpout.java
---
@@ -48,13 +33,33 @@
import org.apache.storm.kafka.spout.internal.KafkaConsumerFactoryDefault;
import org.apache.storm.kafka.spout.internal.OffsetManager;
import org.apache.storm.kafka.spout.internal.Timer;
+import org.apache.storm.kafka.spout.internal.tasks.FixedDelayStartupTask;
+import org.apache.storm.kafka.spout.internal.tasks.PreFetchTask;
+import org.apache.storm.kafka.spout.internal.tasks.PreFetchTasksManager;
import org.apache.storm.spout.SpoutOutputCollector;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.topology.OutputFieldsDeclarer;
import org.apache.storm.topology.base.BaseRichSpout;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import java.util.Collection;
--- End diff --
I think checkstyle is configured to require first static imports, then all
other imports, with alphabetical sorting within each group.
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