From 6c6b34b08035b712c873f8bda781870570b8c999 Mon Sep 17 00:00:00 2001
From: Stephen Connolly <stephen.alan.connolly@gmail.com>
Date: Mon, 6 Jan 2014 11:01:50 +0000
Subject: [PATCH] If it's not a pluginDescriptor then it's not equals and we
 should not throw a CCE

---
 .../org/apache/maven/plugin/descriptor/PluginDescriptor.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/maven-plugin-api/src/main/java/org/apache/maven/plugin/descriptor/PluginDescriptor.java b/maven-plugin-api/src/main/java/org/apache/maven/plugin/descriptor/PluginDescriptor.java
index 02b19c807f..460c401ae8 100644
--- a/maven-plugin-api/src/main/java/org/apache/maven/plugin/descriptor/PluginDescriptor.java
+++ b/maven-plugin-api/src/main/java/org/apache/maven/plugin/descriptor/PluginDescriptor.java
@@ -272,7 +272,7 @@ public class PluginDescriptor
             return true;
         }
 
-        return getId().equals( ( (PluginDescriptor) object ).getId() );
+        return object instanceof PluginDescriptor &&  getId().equals( ( (PluginDescriptor) object ).getId() );
     }
 
     public int hashCode()