HADOOP-13512. ReloadingX509TrustManager should keep reloading in case of exception. (Contributed by Mingliang Liu)

(cherry picked from commit 0f51eae0c085ded38216824377acf8122638c3a5)

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ssl/ReloadingX509TrustManager.java

@@ -165,10 +165,10 @@ public final class ReloadingX509TrustManager
   throws IOException, GeneralSecurityException {
     X509TrustManager trustManager = null;
     KeyStore ks = KeyStore.getInstance(type);
-    lastLoaded = file.lastModified();
     FileInputStream in = new FileInputStream(file);
     try {
       ks.load(in, password.toCharArray());
+      lastLoaded = file.lastModified();
       LOG.debug("Loaded truststore '" + file + "'");
     } finally {
       in.close();