From ad84cd848a5d8510583467d94a7a1cdfbe66539e Mon Sep 17 00:00:00 2001
From: Chris Eager <79161849+eager-signal@users.noreply.github.com>
Date: Mon, 11 Aug 2025 17:26:21 -0500
Subject: [PATCH] Fix potential `NullPointerException` in
 `StripeManager#createPaymentIntent`

---
 .../textsecuregcm/subscriptions/StripeManager.java              | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/subscriptions/StripeManager.java b/service/src/main/java/org/whispersystems/textsecuregcm/subscriptions/StripeManager.java
index 6d28dc05c..d98d1e450 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/subscriptions/StripeManager.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/subscriptions/StripeManager.java
@@ -229,7 +229,7 @@ public class StripeManager implements CustomerAwareSubscriptionPaymentProcessor
       try {
         return stripeClient.paymentIntents().create(builder.build(), commonOptions());
       } catch (StripeException e) {
-        final String errorCode = e.getCode().toLowerCase(Locale.ROOT);
+        final String errorCode = StringUtils.lowerCase(e.getCode(), Locale.ROOT);
         switch (errorCode) {
           case "amount_too_small","amount_too_large" ->
               throw ExceptionUtils.wrap(new SubscriptionException.InvalidAmount(errorCode));