X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FAdderResults.java;fp=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FAdderResults.java;h=da9f65e3034164846a2136a4d4235c7c0a38e070;hb=dd9103fdedc432ba861abeaf5cfb4acb66749f15;hp=e7f56023cab38854801f57f561b672d733adb7f4;hpb=0c89ddec8156e2f44fe28c9d05fe06f548e9168e;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/AdderResults.java b/src/main/java/de/juplo/kafka/AdderResults.java
index e7f5602..da9f65e 100644
--- a/src/main/java/de/juplo/kafka/AdderResults.java
+++ b/src/main/java/de/juplo/kafka/AdderResults.java
@@ -15,6 +15,12 @@ public class AdderResults
   {
     Map<String, List<AdderResult>> resultsByUser = this.results.get(partition);
 
+    if (resultsByUser == null)
+    {
+      resultsByUser = new HashMap<>();
+      results.put(partition, resultsByUser);
+    }
+
     List<AdderResult> results = resultsByUser.get(user);
     if (results == null)
     {