HBASE-10638 Improve error message when there is no region server available for move

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1573010 13f79535-47bb-0310-9956-ffa450edef68
2014-02-28 17:30:23 +00:00 · 2014-02-28 17:30:23 +00:00 · 397b272901
parent 9f86836794
commit 397b272901
1 changed files with 4 additions and 0 deletions
--- a/bin/region_mover.rb
+++ b/bin/region_mover.rb
@ -340,6 +340,10 @@ def unloadRegions(options, hostname)
  # Remove the servers in our exclude list from list of servers.
  servers = stripExcludes(servers, options[:excludesFile])
  puts "Valid region move targets: ", servers
+  if servers.length == 0
+    puts "No regions were moved - there was no server available"
+    exit 4
+  end
  movedRegions = java.util.ArrayList.new()
  while true
    rs = getRegions(config, servername)