Jruby cannot work with sendmail in a rails environment (or IO.popen does not function in jruby)

Details

Type: Bug
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: JRuby 1.6.7
Fix Version/s: JRuby 1.7.0.RC2
Component/s: Standard Library
Labels:
None
Environment:

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cat /proc/version
Linux version 2.6.18-194.8.1.el5 (mockbuild@x86-006.build.bos.redhat.com) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Wed Jun 23 10:52:51 EDT 2010

Ruby version 1.8.7 (java)
RubyGems version 1.8.24
Rack version 1.4
Rails version 3.2.5
JavaScript Runtime therubyrhino (Rhino)
Active Record version 3.2.5
Action Pack version 3.2.5
Active Resource version 3.2.5
Action Mailer version 3.2.5
Active Support version 3.2.5
Middleware

    ActionDispatch::Static
    Rack::Lock
    #<ActiveSupport::Cache::Strategy::LocalCache::Middleware:0xa205d1>
    Rack::Runtime
    Rack::MethodOverride
    ActionDispatch::RequestId
    Rails::Rack::Logger
    ActionDispatch::ShowExceptions
    ActionDispatch::DebugExceptions
    ActionDispatch::RemoteIp
    ActionDispatch::Reloader
    ActionDispatch::Callbacks
    ActiveRecord::ConnectionAdapters::ConnectionManagement
    ActiveRecord::QueryCache
    ActionDispatch::Cookies
    ActionDispatch::Session::CookieStore
    ActionDispatch::Flash
    ActionDispatch::ParamsParser
    ActionDispatch::Head
    Rack::ConditionalGet
    Rack::ETag
    ActionDispatch::BestStandardsSupport

Application root C:/temp/gem_in_jar/gem_in_jar
Environment development
Database adapter sqlite3
Database schema version

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cat /proc/version Linux version 2.6.18-194.8.1.el5 ( mockbuild@x86-006.build.bos.redhat.com ) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Wed Jun 23 10:52:51 EDT 2010 Ruby version 1.8.7 (java) RubyGems version 1.8.24 Rack version 1.4 Rails version 3.2.5 JavaScript Runtime therubyrhino (Rhino) Active Record version 3.2.5 Action Pack version 3.2.5 Active Resource version 3.2.5 Action Mailer version 3.2.5 Active Support version 3.2.5 Middleware     ActionDispatch::Static     Rack::Lock     #<ActiveSupport::Cache::Strategy::LocalCache::Middleware:0xa205d1>     Rack::Runtime     Rack::MethodOverride     ActionDispatch::RequestId     Rails::Rack::Logger     ActionDispatch::ShowExceptions     ActionDispatch::DebugExceptions     ActionDispatch::RemoteIp     ActionDispatch::Reloader     ActionDispatch::Callbacks     ActiveRecord::ConnectionAdapters::ConnectionManagement     ActiveRecord::QueryCache     ActionDispatch::Cookies     ActionDispatch::Session::CookieStore     ActionDispatch::Flash     ActionDispatch::ParamsParser     ActionDispatch::Head     Rack::ConditionalGet     Rack::ETag     ActionDispatch::BestStandardsSupport Application root C:/temp/gem_in_jar/gem_in_jar Environment development Database adapter sqlite3 Database schema version

Testcase included:
yes
Number of attachments :
2

Description

Deploying a Rails application with JRuby to production is impossible due to the fact that JRuby has a bug when using IO.popen and sendmail.rb (%GEM_HOME%/gems/mail-2.4.4/lib/mail/network/delivery_methods/sendmail.rb)
depends on this functionality.

I have isolated the issue and have a tiny script that when run under MRI ruby will email. The same script, when run via jruby, has no errors and no email is ever sent. Monitoring of /var/log/maillog confirms this.

Consider the following script (email_test.rb):

 
def file_as_string(file)
	rVal = ''
	File.open(file, 'r') do |file_handle|
		file_handle.read.each_line do |line|
			rVal << line
		end
	end
	rVal
end
IO.popen("/usr/sbin/sendmail -i -t -f \"cristopher.shupp@va.gov\" cristopher.shupp@va.gov", "w+") do |io|
  email = file_as_string("/tmp/the_email.txt")
  io.puts email
  io.flush
end

#from sendmail.rb
#  def self.call(path, arguments, destinations, mail)
#    IO.popen("#{path} #{arguments} #{destinations}", "w+") do |io|
#      io.puts mail.encoded.to_lf
#      io.flush
#    end
#  end

when run via MRI ruby as follows:

 /u01/dev/ruby_1.8.7/bin/ruby /tmp/email_test.rb

Then sendmail's log (/var/log/maillog) is filled with activity, and an email arrives:

Jul 31 09:11:25 vahdrtvapp05 sendmail[11520]: q6VEBO2a011520: Authentication-Warning: vahdrtvapp05.aac.va.gov: t192zcs set sender to cristopher.shupp@va.gov using -f
Jul 31 09:11:25 vahdrtvapp05 sendmail[11520]: q6VEBO2a011520: from=cristopher.shupp@va.gov, size=359, class=0, nrcpts=1, msgid=<5017ded29f6c8_5487e267025@vahdrtvapp05.aac.va.gov.mail>, relay=t192zcs@localhost
Jul 31 09:11:25 vahdrtvapp05 sendmail[11524]: q6VEBPPt011524: from=<cristopher.shupp@va.gov>, size=631, class=0, nrcpts=1, msgid=<5017ded29f6c8_5487e267025@vahdrtvapp05.aac.va.gov.mail>, proto=ESMTP, daemon=NoMTA4, relay=localhost.localdomain [127.0.0.1]
Jul 31 09:11:25 vahdrtvapp05 sendmail[11520]: q6VEBO2a011520: to=cristopher.shupp@va.gov, ctladdr=cristopher.shupp@va.gov (1174/7400), delay=00:00:01, xdelay=00:00:00, mailer=relay, pri=30359, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (q6VEBPPt011524 Message accepted for delivery)
Jul 31 09:11:26 vahdrtvapp05 sendmail[11526]: q6VEBPPt011524: to=<cristopher.shupp@va.gov>, delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=120631, relay=mailproxy.aac.va.gov [10.238.10.254], dsn=2.0.0, stat=Sent (ok:  Message 49228463 accepted)

When run via jruby as follows:

 java -jar ./lib/jars/jruby-complete-1.6.7.2.jar /tmp/email_test.rb

There is no output and sendmail's log remains silent.

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Attachments

email_test.rb

31/Jul/12 9:20 AM

0.5 kB

Cris Shupp
the_email.txt

31/Jul/12 9:20 AM

0.4 kB

Cris Shupp

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Cris Shupp added a comment - 31/Jul/12 9:53 AM

modifying email_test.rb as follows

require 'java'

java_import 'java.lang.Runtime' do |pkg, cls|
  'JRuntime'
end

java_import 'java.io.OutputStreamWriter' do |pkg, cls|
  'JWrite'
end

java_import 'java.io.BufferedWriter' do |pkg, cls|
  'JBWrite'
end

def file_as_string(file)
	rVal = ''
	File.open(file, 'r') do |file_handle|
		file_handle.read.each_line do |line|
			rVal << line
		end
	end
	rVal
end
email = file_as_string("/tmp/the_email.txt")
process = JRuntime.getRuntime().exec("/usr/sbin/sendmail -i -t -f \"cristopher.shupp@va.gov\" cristopher.shupp@va.gov")
outputStream = process.getOutputStream
writer = JBWrite.new(JWrite.new(outputStream))
writer.write(email,0,email.length)
writer.close


#IO.popen("/usr/sbin/sendmail -i -t -f \"cristopher.shupp@va.gov\" cristopher.shupp@va.gov", "w+") do |io|
#  email = file_as_string("/tmp/the_email.txt")
#  io.puts email
#  io.flush
#end

#from sendmail.rb
#  def self.call(path, arguments, destinations, mail)
#    IO.popen("#{path} #{arguments} #{destinations}", "w+") do |io|
#      io.puts mail.encoded.to_lf
#      io.flush
#    end
#  end

does work. Now to find a workaround in rails...

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Cris Shupp added a comment - 31/Jul/12 9:53 AM modifying email_test.rb as follows require 'java' java_import 'java.lang.Runtime' do |pkg, cls| 'JRuntime' end java_import 'java.io.OutputStreamWriter' do |pkg, cls| 'JWrite' end java_import 'java.io.BufferedWriter' do |pkg, cls| 'JBWrite' end def file_as_string(file) rVal = '' File.open(file, 'r') do |file_handle| file_handle.read.each_line do |line| rVal << line end end rVal end email = file_as_string("/tmp/the_email.txt") process = JRuntime.getRuntime().exec("/usr/sbin/sendmail -i -t -f \"cristopher.shupp@va.gov\" cristopher.shupp@va.gov") outputStream = process.getOutputStream writer = JBWrite.new(JWrite.new(outputStream)) writer.write(email,0,email.length) writer.close #IO.popen("/usr/sbin/sendmail -i -t -f \"cristopher.shupp@va.gov\" cristopher.shupp@va.gov", "w+") do |io| # email = file_as_string("/tmp/the_email.txt") # io.puts email # io.flush #end #from sendmail.rb # def self.call(path, arguments, destinations, mail) # IO.popen("#{path} #{arguments} #{destinations}", "w+") do |io| # io.puts mail.encoded.to_lf # io.flush # end # end does work. Now to find a workaround in rails...

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Charles Oliver Nutter added a comment - 31/Jul/12 11:15 AM

Surprising that the popen version doesn't work; of all the process-launching mechanisms, it's the simplest. We basically just use Runtime.exec, get the streams into an IO, and that's that.

Will investigate for 1.7.0pre2.

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Charles Oliver Nutter added a comment - 31/Jul/12 11:15 AM Surprising that the popen version doesn't work; of all the process-launching mechanisms, it's the simplest. We basically just use Runtime.exec, get the streams into an IO, and that's that. Will investigate for 1.7.0pre2.

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Thomas E Enebo added a comment - 06/Oct/12 11:58 AM

Cris, Can you try JRuby 1.7.0.RC1? popen has been changed since 1.6.x.

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Thomas E Enebo added a comment - 06/Oct/12 11:58 AM Cris, Can you try JRuby 1.7.0.RC1? popen has been changed since 1.6.x.

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Cris Shupp added a comment - 17/Oct/12 4:17 PM

Thomas,

I will test next week. Sorry for the delay.

Cris

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Cris Shupp added a comment - 17/Oct/12 4:17 PM Thomas, I will test next week. Sorry for the delay. Cris

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Cris Shupp added a comment - 19/Oct/12 10:24 AM

I retested with my unit test cases and RC2 did send the e-mail as desired!

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Cris Shupp added a comment - 19/Oct/12 10:24 AM I retested with my unit test cases and RC2 did send the e-mail as desired!

People

Assignee:

Thomas E Enebo

Reporter:

Cris Shupp

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Dates

Created:

31/Jul/12 9:20 AM

Updated:

19/Oct/12 10:24 AM

Resolved:

19/Oct/12 10:24 AM