HBASE-26854 Shell startup logs a bunch of noise (apache#4469)

Upon startup the shell logs a bunch of noise, mainly from zookeeper.
Also hide WARN level logging from the Hadoop libraries

Signed-off-by: Sean Busbey <busbey@apache.org>
Signed-off-by: Viraj Jasani <vjasani@apache.org>
(cherry picked from commit 20895c7)

hbase-shell/src/main/ruby/jar-bootstrap.rb

@@ -104,7 +104,7 @@ def add_to_configuration(c, arg)
 opts.ordering = GetoptLong::REQUIRE_ORDER
 
 script2run = nil
-log_level = org.apache.log4j.Level::ERROR
+log_level = org.apache.logging.log4j.Level::ERROR
 @shell_debug = false
 interactive = true
 full_backtrace = false
@@ -118,7 +118,7 @@ def add_to_configuration(c, arg)
   when D_ARG
     conf_from_cli = add_to_configuration(conf_from_cli, arg)
   when '--debug'
-    log_level = org.apache.log4j.Level::DEBUG
+    log_level = org.apache.logging.log4j.Level::DEBUG
     full_backtrace = true
     @shell_debug = true
     puts 'Setting DEBUG log level...'
@@ -138,8 +138,8 @@ def add_to_configuration(c, arg)
 ARGV.unshift('-d') if @shell_debug
 
 # Set logging level to avoid verboseness
-org.apache.log4j.Logger.getLogger('org.apache.zookeeper').setLevel(log_level)
-org.apache.log4j.Logger.getLogger('org.apache.hadoop.hbase').setLevel(log_level)
+org.apache.logging.log4j.core.config.Configurator.setAllLevels('org.apache.zookeeper', log_level)
+org.apache.logging.log4j.core.config.Configurator.setAllLevels('org.apache.hadoop', log_level)
 
 # Require HBase now after setting log levels
 require 'hbase_constants'
@@ -165,14 +165,14 @@ def debug
   if @shell_debug
     @shell_debug = false
     conf.back_trace_limit = 0
-    log_level = org.apache.log4j.Level::ERROR
+    log_level = org.apache.logging.log4j.Level::ERROR
   else
     @shell_debug = true
     conf.back_trace_limit = 100
-    log_level = org.apache.log4j.Level::DEBUG
+    log_level = org.apache.logging.log4j.Level::DEBUG
   end
-  org.apache.log4j.Logger.getLogger('org.apache.zookeeper').setLevel(log_level)
-  org.apache.log4j.Logger.getLogger('org.apache.hadoop.hbase').setLevel(log_level)
+  org.apache.logging.log4j.core.config.Configurator.setAllLevels('org.apache.zookeeper', log_level)
+  org.apache.logging.log4j.core.config.Configurator.setAllLevels('org.apache.hadoop', log_level)
   debug?
 end