Sending attachment with Pony pegs my cpu and never completes

[Nels Nelson]

Greetings, Forum,-

I am attempting to send an attachment like so.  The attachment is a 190793 byte file in SQL dump format.

I run the following code on a Mac OS X 10.10 system under JRuby 1.7.16 using the pony 1.11 gem.

I can confirm that the sendmail binary is available at /usr/sbin/sendmail.  The content collection step does indeed work, and the status output gets printed out.

However, it begins to peg cpu and never stops.

    begin

      content = open(attachment, 'rb') { |io| io.read }

      basename = File.basename(attachment)

      puts "Sending file #{basename} #{content.length} to #{to}"

      mail = Pony.mail(

        :via  => :smtp,

        :via_options => {

          :address              => 'smtp.gmail.com',

          :port                 => '587',

          :enable_starttls_auto => true,

          :user_name            => 'us...@host.com',

          :password             => 'password',

          :authentication       => :plain,

          :domain               => 'host.com'

        },

        :to        => to,

        :from      => from,

        :subject   => subject,

        :html_body => message,

        :body      => '',

        :attachments => {

          basename => content

        },

        :headers => {

          'Content-Type' => 'multipart/mixed',

          'Content-Transfer-Encoding' => 'base64',

          'Content-Disposition' => 'attachment'

        }

      )

    rescue Exception => ex

      log.error "Error posting email", ex

      return ex.message

    end if defined? Pony

Can anyone help me understand what I am doing incorrectly?

Best regards,

-Nels Nelson

[Ben Prew]

Nels,

What happens when you run it under ruby not JRuby?  Have you tried using strace on the process?

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[Nels Nelson]

On Tuesday, December 9, 2014 4:29:39 PM UTC-6, Ben Prew wrote:

What happens when you run it under ruby not JRuby?  Have you tried using strace on the process?

Well, crap.  Running it with ruby 2.0 on Mac OS X 10.10 appears to work just fine.

The following code configuration indeed sends e-mail.

https://gist.github.com/nelsnelson/9c9e781092d683f99373

I guess I now have to take it up with the JRuby people.  :(

Thank you for your attention.

Best regards,

-Nels

[Ben Prew]

Nels,

Sorry, I don't run JRuby so don't have a lot of insight for you.  How much free RAM is there when the CPU is pegged?  Possibly a swap issue?

Thanks and good luck

[Nels Nelson]

On Tuesday, December 9, 2014 7:32:08 PM UTC-6, Ben Prew wrote:

How much free RAM is there when the CPU is pegged?  Possibly a swap issue?

I can use the default 512MB heap size for the jvm when running the program with JRuby, or I can set the heap size to 2GB, it makes no difference.

Plenty of ram available on a machine with 16GB of RAM installed.

Thanks again for your attention.

Best regards,

-Nels