HADOOP-8884. DEBUG should be WARN for DEBUG util.NativeCodeLoader: Failed to load native-hadoop with error: java.lang.UnsatisfiedLinkError. Contributed by Anthony Rojas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1395718 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -65,6 +65,10 @@ Release 2.0.3-alpha - Unreleased
 
     HADOOP-8881. FileBasedKeyStoresFactory initialization logging should be debug not info. (tucu)
 
+    HADOOP-8884. DEBUG should be WARN for DEBUG util.NativeCodeLoader: Failed
+    to load native-hadoop with error: java.lang.UnsatisfiedLinkError. (Anthony
+    Rojas via atm)
+
 Release 2.0.2-alpha - 2012-09-07 
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/NativeCodeLoader.java

@@ -50,12 +50,9 @@ public class NativeCodeLoader {
       LOG.debug("Loaded the native-hadoop library");
       nativeCodeLoaded = true;
     } catch (Throwable t) {
-      // Ignore failure to load
-      if(LOG.isDebugEnabled()) {
-        LOG.debug("Failed to load native-hadoop with error: " + t);
-        LOG.debug("java.library.path=" +
-            System.getProperty("java.library.path"));
-      }
+      // Display warning if native-hadoop failed to load
+      LOG.warn("Continuing after failing to load native-hadoop - java.library.path=" +
+          System.getProperty("java.library.path") + " with error:", t);
     }
     
     if (!nativeCodeLoaded) {