HBASE-23817 The message "Please make sure that backup is enabled on the cluster." is shown even when the backup feature is enabled (#3427)

Signed-off-by: Toshihiro Suzuki <brfrn169@gmail.com>

Author: jojochuang

hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/BackupDriver.java

@@ -85,8 +85,6 @@ private int parseAndRun(String[] args) throws IOException {
       return -1;
     }
 
-    System.out.println(BackupRestoreConstants.VERIFY_BACKUP);
-
     String cmd = null;
     String[] remainArgs = null;
     if (args == null || args.length == 0) {
@@ -210,5 +208,6 @@ public int run(String[] args) throws IOException {
 
   protected void printToolUsage() throws IOException {
     System.out.println(BackupCommands.USAGE);
+    System.out.println(BackupRestoreConstants.VERIFY_BACKUP);
   }
 }

hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/BackupRestoreConstants.java

@@ -105,13 +105,13 @@ public interface BackupRestoreConstants {
           + "org.apache.hadoop.hbase.backup.regionserver.LogRollRegionServerProcedureManager\n"
           + "hbase.coprocessor.region.classes=YOUR_CLASSES,"
           + "org.apache.hadoop.hbase.backup.BackupObserver\n"
-          + "and restart the cluster\n";
+          + "and restart the cluster\n"
+          + "For more information please see http://hbase.apache.org/book.html#backuprestore\n";
   String ENABLE_BACKUP = "Backup is not enabled. To enable backup, "+
       "in hbase-site.xml, set:\n "
       + BACKUP_CONFIG_STRING;
 
-  String VERIFY_BACKUP = "Please make sure that backup is enabled on the cluster. To enable "
-          + "backup, in hbase-site.xml, set:\n " + BACKUP_CONFIG_STRING;
+  String VERIFY_BACKUP = "To enable backup, in hbase-site.xml, set:\n " + BACKUP_CONFIG_STRING;
 
   /*
    *  Delimiter in table name list in restore command

hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/RestoreDriver.java

@@ -92,8 +92,6 @@ private int parseAndRun(String[] args) throws IOException {
       return -1;
     }
 
-    System.out.println(BackupRestoreConstants.VERIFY_BACKUP);
-
     // enable debug logging
     if (cmd.hasOption(OPTION_DEBUG)) {
       Log4jUtils.setLogLevel("org.apache.hadoop.hbase.backup", "DEBUG");
@@ -269,5 +267,6 @@ protected void printToolUsage() {
     helpFormatter.setWidth(100);
     helpFormatter.setSyntaxPrefix("Options:");
     helpFormatter.printHelp(" ", null, options, USAGE_FOOTER);
+    System.out.println(BackupRestoreConstants.VERIFY_BACKUP);
   }
 }