HADOOP-8931. Add Java version to startup message. (eli)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1412294 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -8,6 +8,8 @@ Release 0.23.6 - UNRELEASED
 
   IMPROVEMENTS
 
+    HADOOP-8931. Add Java version to startup message. (eli)
+
   OPTIMIZATIONS
 
   BUG FIXES

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

@@ -604,7 +604,8 @@ public class StringUtils {
             "  build = " + VersionInfo.getUrl() + " -r "
                          + VersionInfo.getRevision()  
                          + "; compiled by '" + VersionInfo.getUser()
-                         + "' on " + VersionInfo.getDate()}
+                         + "' on " + VersionInfo.getDate(),
+            "  java = " + System.getProperty("java.version") }
         )
       );