dawidwys closed pull request #6632: [FLINK-10254][backend]Fix inappropriate
checkNotNull in stateBackend
URL: https://github.com/apache/flink/pull/6632
This is a PR merged from a forked repository.
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diff --git
a/flink-runtime/src/main/java/org/apache/flink/runtime/state/AbstractKeyedStateBackend.java
b/flink-runtime/src/main/java/org/apache/flink/runtime/state/AbstractKeyedStateBackend.java
index 1c2d2a3ecaf..19de2102a35 100644
---
a/flink-runtime/src/main/java/org/apache/flink/runtime/state/AbstractKeyedStateBackend.java
+++
b/flink-runtime/src/main/java/org/apache/flink/runtime/state/AbstractKeyedStateBackend.java
@@ -100,9 +100,12 @@ public AbstractKeyedStateBackend(
ExecutionConfig executionConfig,
TtlTimeProvider ttlTimeProvider) {
+ Preconditions.checkArgument(numberOfKeyGroups >= 1,
"NumberOfKeyGroups must be a positive number");
+ Preconditions.checkArgument(numberOfKeyGroups >=
keyGroupRange.getNumberOfKeyGroups(), "The total number of key groups must be
at least the number in the key group range assigned to this backend");
+
this.kvStateRegistry = kvStateRegistry;
this.keySerializer = Preconditions.checkNotNull(keySerializer);
- this.numberOfKeyGroups =
Preconditions.checkNotNull(numberOfKeyGroups);
+ this.numberOfKeyGroups = numberOfKeyGroups;
this.userCodeClassLoader =
Preconditions.checkNotNull(userCodeClassLoader);
this.keyGroupRange = Preconditions.checkNotNull(keyGroupRange);
this.cancelStreamRegistry = new CloseableRegistry();
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