* lib/webrick/httpproxy.rb: remvoe useless assigned variables.

* lib/webrick/httpservlet/cgihandler.rb: ditto.
* lib/webrick/httpservlet/erbhandler.rb: ditto.
* lib/webrick/server.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46560 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

4 files changed, 3 insertions, 6 deletions

diff --git a/lib/webrick/httpproxy.rb b/lib/webrick/httpproxy.rb
index 4ff565754e..77a2ea7108 100644
--- a/lib/webrick/httpproxy.rb
+++ b/lib/webrick/httpproxy.rb
@@ -203,7 +203,7 @@ module WEBrick
             ua.syswrite(buf)
           end
         end
-      rescue => ex
+      rescue
         os.close
         @logger.debug("CONNECT #{host}:#{port}: closed")
       end
diff --git a/lib/webrick/httpservlet/cgihandler.rb b/lib/webrick/httpservlet/cgihandler.rb
index 7c012ca64b..32100418e6 100644
--- a/lib/webrick/httpservlet/cgihandler.rb
+++ b/lib/webrick/httpservlet/cgihandler.rb
@@ -41,9 +41,6 @@ module WEBrick
       # :stopdoc:
 
       def do_GET(req, res)
-        data = nil
-        status = -1
-
         cgi_in = IO::popen(@cgicmd, "wb")
         cgi_out = Tempfile.new("webrick.cgiout.", @tempdir, mode: IO::BINARY)
         cgi_out.set_encoding("ASCII-8BIT")
diff --git a/lib/webrick/httpservlet/erbhandler.rb b/lib/webrick/httpservlet/erbhandler.rb
index 34b4b9e68b..1b8a82d67b 100644
--- a/lib/webrick/httpservlet/erbhandler.rb
+++ b/lib/webrick/httpservlet/erbhandler.rb
@@ -56,7 +56,7 @@ module WEBrick
           res.body = evaluate(ERB.new(data), req, res)
           res['content-type'] ||=
             HTTPUtils::mime_type(@script_filename, @config[:MimeTypes])
-        rescue StandardError => ex
+        rescue StandardError
           raise
         rescue Exception => ex
           @logger.error(ex)
diff --git a/lib/webrick/server.rb b/lib/webrick/server.rb
index ca22f85ae9..7a3632b0b5 100644
--- a/lib/webrick/server.rb
+++ b/lib/webrick/server.rb
@@ -288,7 +288,7 @@ module WEBrick
         Utils::set_non_blocking(sock)
         Utils::set_close_on_exec(sock)
       rescue Errno::ECONNRESET, Errno::ECONNABORTED,
-             Errno::EPROTO, Errno::EINVAL => ex
+             Errno::EPROTO, Errno::EINVAL
       rescue StandardError => ex
         msg = "#{ex.class}: #{ex.message}\n\t#{ex.backtrace[0]}"
         @logger.error msg