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Posted to commits@knox.apache.org by lm...@apache.org on 2014/11/03 20:22:19 UTC

git commit: KNOX-459 - added null checks to the closing of resultEnums to avoid NPEs

Repository: knox
Updated Branches:
  refs/heads/master 868e5715e -> 197e9960d


KNOX-459 - added null checks to the closing of resultEnums to avoid NPEs


Project: http://git-wip-us.apache.org/repos/asf/knox/repo
Commit: http://git-wip-us.apache.org/repos/asf/knox/commit/197e9960
Tree: http://git-wip-us.apache.org/repos/asf/knox/tree/197e9960
Diff: http://git-wip-us.apache.org/repos/asf/knox/diff/197e9960

Branch: refs/heads/master
Commit: 197e9960d2724056f257ddb64980a62b40cf8d6a
Parents: 868e571
Author: Larry McCay <lm...@hortonworks.com>
Authored: Mon Nov 3 14:14:19 2014 -0500
Committer: Larry McCay <lm...@hortonworks.com>
Committed: Mon Nov 3 14:14:30 2014 -0500

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 .../hadoop/gateway/shirorealm/KnoxLdapRealm.java    | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)
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http://git-wip-us.apache.org/repos/asf/knox/blob/197e9960/gateway-provider-security-shiro/src/main/java/org/apache/hadoop/gateway/shirorealm/KnoxLdapRealm.java
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diff --git a/gateway-provider-security-shiro/src/main/java/org/apache/hadoop/gateway/shirorealm/KnoxLdapRealm.java b/gateway-provider-security-shiro/src/main/java/org/apache/hadoop/gateway/shirorealm/KnoxLdapRealm.java
index f9fc79c..1cf9fd8 100644
--- a/gateway-provider-security-shiro/src/main/java/org/apache/hadoop/gateway/shirorealm/KnoxLdapRealm.java
+++ b/gateway-provider-security-shiro/src/main/java/org/apache/hadoop/gateway/shirorealm/KnoxLdapRealm.java
@@ -274,10 +274,14 @@ public class KnoxLdapRealm extends JndiLdapRealm {
     }
     finally {
       try {
-        attributeEnum.close();
+        if (attributeEnum != null) {
+          attributeEnum.close();
+        }
       }
       finally {
-        e.close();
+        if (e != null) {
+          e.close();
+        }
       }
     }
   }
@@ -474,7 +478,9 @@ public class KnoxLdapRealm extends JndiLdapRealm {
     finally {
       if (searchResultEnum != null) {
         try {
-          searchResultEnum.close();
+          if (searchResultEnum != null) {
+            searchResultEnum.close();
+          }
         }
         finally {
           LdapUtils.closeContext(systemLdapCtx);
@@ -534,7 +540,9 @@ public class KnoxLdapRealm extends JndiLdapRealm {
         throw new IllegalArgumentException("Hit NamingException: " + e.getMessage());
       } finally {
         try {
-          searchResultEnum.close();
+          if (searchResultEnum != null) {
+            searchResultEnum.close();
+          }
         } catch (NamingException e) {
         }
         finally {