From 5ab998fa4e240118f4e7c7545b56b1de212785ee Mon Sep 17 00:00:00 2001
From: Benjamin Bentmann <bentmann@apache.org>
Date: Sun, 17 Oct 2010 13:51:13 +0000
Subject: [PATCH] [MNG-4864] npe when transferring artifacts

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-3/trunk@1023501 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/maven/cli/ConsoleMavenTransferListener.java   | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/ConsoleMavenTransferListener.java b/maven-embedder/src/main/java/org/apache/maven/cli/ConsoleMavenTransferListener.java
index b0067105b0..6419e9e991 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/ConsoleMavenTransferListener.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/ConsoleMavenTransferListener.java
@@ -57,9 +57,12 @@ class ConsoleMavenTransferListener
         for ( Map.Entry<TransferResource, Long> entry : downloads.entrySet() )
         {
             long total = entry.getKey().getContentLength();
-            long complete = entry.getValue().longValue();
-
-            buffer.append( getStatus( complete, total ) ).append( "  " );
+            Long complete = entry.getValue();
+            // NOTE: This null check guards against http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6312056
+            if ( complete != null )
+            {
+                buffer.append( getStatus( complete.longValue(), total ) ).append( "  " );
+            }
         }
 
         int pad = lastLength - buffer.length();