From b217aec7d24d47cc4cd5cf13337370afbd062493 Mon Sep 17 00:00:00 2001
From: Joan Viladrosa <joan@moderne.io>
Date: Tue, 21 Nov 2023 15:12:49 +0100
Subject: [PATCH] fixed possible NPE when required methodPatternChain not
 provided

---
 .../src/main/java/org/openrewrite/java/SimplifyMethodChain.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rewrite-java/src/main/java/org/openrewrite/java/SimplifyMethodChain.java b/rewrite-java/src/main/java/org/openrewrite/java/SimplifyMethodChain.java
index 5b85ef3af3d..e64925ceabb 100644
--- a/rewrite-java/src/main/java/org/openrewrite/java/SimplifyMethodChain.java
+++ b/rewrite-java/src/main/java/org/openrewrite/java/SimplifyMethodChain.java
@@ -61,7 +61,7 @@ public String getDescription() {
     public Validated<Object> validate() {
         return super.validate().and(Validated.test("methodPatternChain",
                 "Requires more than one pattern",
-                methodPatternChain, c -> c.size() > 1));
+                methodPatternChain, c -> c != null && c.size() > 1));
     }
 
     @Override