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dcapwell pushed a commit to branch CASSANDRA-18519
in repository https://gitbox.apache.org/repos/asf/cassandra-accord.git
commit 16be4e95bac3868569e04ede195e9e649947ae1b
Author: David Capwell <dcapw...@gmail.com>
AuthorDate: Tue May 16 14:30:12 2023 -0700
improve error msg
---
accord-core/src/main/java/accord/utils/async/AsyncChains.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/accord-core/src/main/java/accord/utils/async/AsyncChains.java
b/accord-core/src/main/java/accord/utils/async/AsyncChains.java
index 809ca1c7..4c3e7eb4 100644
--- a/accord-core/src/main/java/accord/utils/async/AsyncChains.java
+++ b/accord-core/src/main/java/accord/utils/async/AsyncChains.java
@@ -462,7 +462,7 @@ public abstract class AsyncChains<V> implements
AsyncChain<V>
public static <V> AsyncChain<V> reduce(List<? extends AsyncChain<? extends
V>> chains, BiFunction<V, V, V> reducer)
{
- Invariants.checkArgument(!chains.isEmpty());
+ Invariants.checkArgument(!chains.isEmpty(), "List of chains is empty");
if (chains.size() == 1)
return (AsyncChain<V>) chains.get(0);
if (Reduce.canAppendTo(chains.get(0), reducer))
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