diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/LoadBalancingKMSClientProvider.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/LoadBalancingKMSClientProvider.java
index 237a50d0227b8..8e59b17b2c76f 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/LoadBalancingKMSClientProvider.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/LoadBalancingKMSClientProvider.java
@@ -233,6 +233,10 @@ private <T> T doOp(ProviderCallable<T> op, int currPos,
   }
 
   private int nextIdx() {
+    if (providers.length == 0) {
+      throw new IOException("No providers configured !");
+    }
+
     while (true) {
       int current = currentIdx.get();
       int next = (current + 1) % providers.length;