From 890e35a4387758c0447aab34166caa579bbf3a08 Mon Sep 17 00:00:00 2001
From: Matt Corallo <git@bluematt.me>
Date: Fri, 28 Oct 2022 05:53:01 +0000
Subject: [PATCH] [Java] Handle nullable arrays

---
 src/main/java/org/ldk/util/InternalUtils.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/ldk/util/InternalUtils.java b/src/main/java/org/ldk/util/InternalUtils.java
index f26c2ae0..d9c3f6ef 100644
--- a/src/main/java/org/ldk/util/InternalUtils.java
+++ b/src/main/java/org/ldk/util/InternalUtils.java
@@ -2,7 +2,7 @@ package org.ldk.util;
 
 public class InternalUtils {
     public static byte[] check_arr_len(byte[] arr, int length) throws IllegalArgumentException {
-        if (arr.length != length) {
+        if (arr != null && arr.length != length) {
             throw new IllegalArgumentException("Array must be of fixed size " + length + " but was of length " + arr.length);
         }
         return arr;
-- 
2.39.5