From bb849026d8bb8888efef051f7df6663ec930c2d3 Mon Sep 17 00:00:00 2001
From: kiichi <k77ch7@gmail.com>
Date: Fri, 7 Nov 2014 00:06:00 +0900
Subject: [PATCH] fixed issue 2050: add null check

---
 .../main/java/org/jruby/ext/bigdecimal/RubyBigDecimal.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/org/jruby/ext/bigdecimal/RubyBigDecimal.java b/core/src/main/java/org/jruby/ext/bigdecimal/RubyBigDecimal.java
index dc989d72b6e..0fff3e4bc4d 100644
--- a/core/src/main/java/org/jruby/ext/bigdecimal/RubyBigDecimal.java
+++ b/core/src/main/java/org/jruby/ext/bigdecimal/RubyBigDecimal.java
@@ -425,7 +425,9 @@ private static RubyBigDecimal cannotBeCoerced(ThreadContext context, IRubyObject
         if (must) {
             String err;
             
-            if (v.isImmediate()) {
+            if (v == null) {
+            	err = "nil";
+            } else if (v.isImmediate()) {
                 err = RubyObject.inspect(context, v).toString();
             } else {
                 err = v.getMetaClass().getBaseName();