From e3b3a18aefb8364543cb162a289dabd3ff8293a5 Mon Sep 17 00:00:00 2001
From: Rohit Yadav <rohit.yadav@shapeblue.com>
Date: Thu, 21 Aug 2014 11:34:44 +0200
Subject: [PATCH] ConfigurationManagerImpl: Fix NPE when trying to access
 method on null object

Before checking obj.length, the fix is to check that the obj is not null

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
---
 .../src/com/cloud/configuration/ConfigurationManagerImpl.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/com/cloud/configuration/ConfigurationManagerImpl.java b/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
index bcd87da832a..bfa79a29dc2 100755
--- a/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
+++ b/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
@@ -407,7 +407,7 @@ public class ConfigurationManagerImpl extends ManagerBase implements Configurati
         String mgtCidr = _configDao.getValue(Config.ManagementNetwork.key());
         if (mgtCidr == null || mgtCidr.trim().isEmpty()) {
             String[] localCidrs = NetUtils.getLocalCidrs();
-            if (localCidrs.length > 0) {
+            if (localCidrs != null && (localCidrs.length > 0)) {
                 s_logger.warn("Management network CIDR is not configured originally. Set it default to " + localCidrs[0]);
 
                 _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_MANAGMENT_NODE, 0, new Long(0), "Management network CIDR is not configured originally. Set it default to "