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Für null-Keys wird der String NULL gezählt
[demos/kafka/training]
/
src
/
main
/
java
/
de
/
juplo
/
kafka
/
EndlessConsumer.java
diff --git
a/src/main/java/de/juplo/kafka/EndlessConsumer.java
b/src/main/java/de/juplo/kafka/EndlessConsumer.java
index
063a09e
..
127c3d3
100644
(file)
--- a/
src/main/java/de/juplo/kafka/EndlessConsumer.java
+++ b/
src/main/java/de/juplo/kafka/EndlessConsumer.java
@@
-94,7
+94,7
@@
public class EndlessConsumer implements Runnable
);
Integer partition = record.partition();
- String key = record.key();
+ String key = record.key()
== null ? "NULL" : record.key()
;
if (!seen.containsKey(partition))
seen.put(partition, new HashMap<>());