HADOOP-17982. OpensslCipher initialization error should log a WARN message. (#3599)

Change-Id: I070fc4784679b3be73aa3a11201bbae23c20ad4e

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/OpensslCipher.java

@@ -84,14 +84,14 @@ public final class OpensslCipher {
     String loadingFailure = null;
     try {
       if (!NativeCodeLoader.buildSupportsOpenssl()) {
-        PerformanceAdvisory.LOG.debug("Build does not support openssl");
+        PerformanceAdvisory.LOG.warn("Build does not support openssl");
         loadingFailure = "build does not support openssl.";
       } else {
         initIDs();
       }
     } catch (Throwable t) {
       loadingFailure = t.getMessage();
-      LOG.debug("Failed to load OpenSSL Cipher.", t);
+      LOG.warn("Failed to load OpenSSL Cipher.", t);
     } finally {
       loadingFailureReason = loadingFailure;
     }