HBASE-9210: hbase shell -d doesn't print out exception stack trace

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1516293 13f79535-47bb-0310-9956-ffa450edef68

bin/hirb.rb

@@ -114,6 +114,7 @@ require 'shell/formatter'
 
 # Setup console
 @shell = Shell::Shell.new(@hbase, @formatter)
+@shell.debug = @shell_debug
 
 # Add commands to this namespace
 @shell.export_commands(self)

bin/region_mover.rb

@@ -365,7 +365,7 @@ def loadRegions(options, hostname)
     begin
       isSuccessfulScan(admin, r)
       exists = true
-    rescue org.apache.hadoop.hbase.exceptions.NotServingRegionException => e
+    rescue org.apache.hadoop.hbase.NotServingRegionException => e
       $LOG.info("Failed scan of " + e.message)
     end
     count = count + 1

bin/region_status.rb

@@ -47,7 +47,7 @@ require 'java'
 
 import org.apache.hadoop.hbase.HBaseConfiguration
 import org.apache.hadoop.hbase.HConstants
-import org.apache.hadoop.hbase.exceptions.MasterNotRunningException
+import org.apache.hadoop.hbase.MasterNotRunningException
 import org.apache.hadoop.hbase.client.HBaseAdmin
 import org.apache.hadoop.hbase.client.HTable
 import org.apache.hadoop.hbase.client.Scan

hbase-server/src/main/ruby/shell/commands.rb

@@ -33,9 +33,13 @@ module Shell
         #(everything is a message, so this is just the formal semantics to support that idiom)
         translate_hbase_exceptions(*args) { send(cmd,*args) }
       rescue => e
+        rootCause = e
+        while rootCause != nil && rootCause.respond_to?(:cause) && rootCause.cause != nil
+          rootCause = rootCause.cause
+        end
         puts
-        puts "ERROR: #{e}"
-        puts "Backtrace: #{e.backtrace.join("\n           ")}" if debug
+        puts "ERROR: #{rootCause}"
+        puts "Backtrace: #{rootCause.backtrace.join("\n           ")}" if debug
         puts
         puts "Here is some help for this command:"
         puts help