[GitHub] jon-wei closed pull request #6724: Fix issue that tasks failed because of no sink for identifier

[GitBox <gi...@apache.org>]

jon-wei closed pull request #6724: Fix issue that tasks failed because of no sink for identifier
URL: https://github.com/apache/incubator-druid/pull/6724
 
 
   

This is a PR merged from a forked repository.
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diff --git a/server/src/main/java/org/apache/druid/segment/realtime/appenderator/AppenderatorImpl.java b/server/src/main/java/org/apache/druid/segment/realtime/appenderator/AppenderatorImpl.java
index 9c837b08816..22c1ccc90d9 100644
--- a/server/src/main/java/org/apache/druid/segment/realtime/appenderator/AppenderatorImpl.java
+++ b/server/src/main/java/org/apache/druid/segment/realtime/appenderator/AppenderatorImpl.java
@@ -90,6 +90,7 @@
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -485,8 +486,12 @@ public void clear() throws InterruptedException
     final List<Pair<FireHydrant, SegmentIdentifier>> indexesToPersist = new ArrayList<>();
     int numPersistedRows = 0;
     long bytesPersisted = 0L;
-    for (SegmentIdentifier identifier : sinks.keySet()) {
-      final Sink sink = sinks.get(identifier);
+    Iterator<Map.Entry<SegmentIdentifier, Sink>> iterator = sinks.entrySet().iterator();
+
+    while (iterator.hasNext()) {
+      final Map.Entry<SegmentIdentifier, Sink> entry = iterator.next();
+      final SegmentIdentifier identifier = entry.getKey();
+      final Sink sink = entry.getValue();
       if (sink == null) {
         throw new ISE("No sink for identifier: %s", identifier);
       }


 

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