From 49e440c40407eb476b206d8cbbb7f42460aab8a2 Mon Sep 17 00:00:00 2001
From: Chris Nauroth <cnauroth@apache.org>
Date: Fri, 9 Aug 2013 22:55:11 +0000
Subject: [PATCH] HADOOP-9857. Tests block and sometimes timeout on Windows due
 to invalid entropy source. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1512522 13f79535-47bb-0310-9956-ffa450edef68
---
 hadoop-common-project/hadoop-common/CHANGES.txt |  3 +++
 hadoop-project/pom.xml                          | 10 +++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 7323e3f82e2..c7c2633763a 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -363,6 +363,9 @@ Release 2.1.1-beta - UNRELEASED
 
     HADOOP-9757. Har metadata cache can grow without limit (Cristina Abad via daryn)
 
+    HADOOP-9857. Tests block and sometimes timeout on Windows due to invalid
+    entropy source. (cnauroth)
+
 Release 2.1.0-beta - 2013-08-06
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-project/pom.xml b/hadoop-project/pom.xml
index 7660ee8fb1b..4b4ba629df6 100644
--- a/hadoop-project/pom.xml
+++ b/hadoop-project/pom.xml
@@ -57,6 +57,7 @@
     <!-- Used for building path to native library loaded by tests.  Projects -->
     <!-- at different nesting levels in the source tree may need to override. -->
     <hadoop.common.build.dir>${basedir}/../../hadoop-common-project/hadoop-common/target</hadoop.common.build.dir>
+    <java.security.egd>file:///dev/urandom</java.security.egd>
   </properties>
 
   <dependencyManagement>
@@ -831,7 +832,7 @@
 
             <java.net.preferIPv4Stack>true</java.net.preferIPv4Stack>
             <java.security.krb5.conf>${basedir}/src/test/resources/krb5.conf</java.security.krb5.conf>
-            <java.security.egd>file:///dev/urandom</java.security.egd>
+            <java.security.egd>${java.security.egd}</java.security.egd>
             <require.test.libhadoop>${require.test.libhadoop}</require.test.libhadoop>
           </systemPropertyVariables>
           <includes>
@@ -885,6 +886,13 @@
           <family>Windows</family>
         </os>
       </activation>
+      <properties>
+        <!-- We must use this exact string for egd on Windows, because the -->
+        <!-- JVM will check for an exact string match on this.  If found, it -->
+        <!-- will use a native entropy provider.  This will not really -->
+        <!-- attempt to open a file at this path. -->
+        <java.security.egd>file:/dev/urandom</java.security.egd>
+      </properties>
       <build>
         <plugins>
           <plugin>