[flink] branch master updated: [hotfix][state] Add error message to precondition in HeapPriorityQueueSet

[ch...@apache.org]

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chesnay pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/flink.git


The following commit(s) were added to refs/heads/master by this push:
     new 98239a3  [hotfix][state] Add error message to precondition in HeapPriorityQueueSet
98239a3 is described below

commit 98239a3d325ccdbbc600a623c40892722188a3ee
Author: Seth Wiesman <sj...@gmail.com>
AuthorDate: Thu May 9 03:05:51 2019 -0400

    [hotfix][state] Add error message to precondition in HeapPriorityQueueSet
---
 .../java/org/apache/flink/runtime/state/heap/HeapPriorityQueueSet.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/state/heap/HeapPriorityQueueSet.java b/flink-runtime/src/main/java/org/apache/flink/runtime/state/heap/HeapPriorityQueueSet.java
index c0215ac..a51a0c1 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/state/heap/HeapPriorityQueueSet.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/state/heap/HeapPriorityQueueSet.java
@@ -155,7 +155,7 @@ public class HeapPriorityQueueSet<T extends HeapPriorityQueueElement>
 	}
 
 	private int globalKeyGroupToLocalIndex(int keyGroup) {
-		checkArgument(keyGroupRange.contains(keyGroup));
+		checkArgument(keyGroupRange.contains(keyGroup), "%s does not contain key group %s", keyGroupRange, keyGroup);
 		return keyGroup - keyGroupRange.getStartKeyGroup();
 	}