Apologies for missing this bug for so long. So it look then like at least the ppc64 platform should be a startsWith check. I'm mildly concerned that might suck in something other than actual ppc64, so maybe explicitly checking for ppc64le and ppc64be might be better.

I will put together a commit for that today. Would you be able to build and verify it?

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I could find only tertiary references to ppcle so I think I'm going to leave 32-bit unpatched for the moment.

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I don't know how to build jruby, but can look into trying out the new code. Thanks for the fix.

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I installed Logstash 1.5.0.1, but seems it still cannot work on IBM Power Linux, ppc64le:

# rpm -qa |grep logstash
logstash-1.5.0-1.noarch

# /opt/logstash/bin/logstash  -f /etc/logstash/conf.d -l /var/log/logstash/logstash.log
io/console not supported; tty will not be manipulated
LoadError: Unsupported platform: unknown-linux
  require at org/jruby/RubyKernel.java:1071
   (root) at /opt/logstash/vendor/jruby/lib/ruby/shared/ffi/ffi.rb:69
  require at org/jruby/RubyKernel.java:1071
   (root) at /opt/logstash/vendor/jruby/lib/ruby/shared/ffi.rb:1
  require at org/jruby/RubyKernel.java:1071
   (root) at /opt/logstash/vendor/jruby/lib/ruby/shared/ffi.rb:1
   (root) at /opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-1.5.0-java/lib/logstash/util/prctl.rb:1
  require at org/jruby/RubyKernel.java:1071
     LibC at /opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-1.5.0-java/lib/logstash/util/prctl.rb:4
   (root) at /opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-core-1.5.0-java/lib/logstash/util/prctl.rb:3
   (root) at /opt/logstash/lib/bootstrap/environment.rb:48

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Thanks headius,
Logstash 1.5.0.1 was bundled with JRuby 1.7.19.
Do you known which version of logstash bundled Jruby1.7.20? Or do you know how to work-around this issue with Jruby 1.7.19?
Thanks very much!

./jruby -v

jruby 1.7.19 (1.9.3p551) 2015-01-29 20786bd on IBM J9 VM pxl6470_27sr2-20141101_01 (SR2) +jit [linux-ppc64le]

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@fenglixa we will update to 1.7.20 in 1.5.1/1.6.0, which ever comes first, in the mean time I'd be happy to assist you into building yourself a logstash package with 1.7.20 from the 1.5.0 branch.

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Thanks @colinsurprenant, Please share me the steps for building 1.7.20 from logstash1.5.0, I could try to verify it in my environment first. Thanks.

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@fenglixa followed up in elastic/logstash#2747

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