I downloaded JCE unlimited strength policy (US_export_policy.jar,local_policy.jar) in my logstash JVM (under /usr/java/jre1.8.0_111/lib/security/), but no luck same ERROR.
> ERROR - [main]-pipeline-manager 1000 - - [logstash.pipeline] Error registering plugin {:pipeline_id=>"main", :plugin=>"<LogStash::Inputs::Beats port=>5044, add_field=>{\"exttype\"=>\"beats\"}, ssl=>true, ssl_certificate=>\"/etc/logstash/x509/cert\", ssl_certificate_authorities=>[\"/etc/logstash/x509/ca-certs\"], ssl_key=>\"/etc/logstash/x509/priv-key\", ssl_verify_mode=>\"force_peer\", id=>\"aa3ba61a13cf78c5cc7c7ad076c3c263c9d65a175d6c3bb15d8a007b2ea3cc85\", enable_metric=>true, codec=><LogStash::Codecs::Plain id=>\"plain_5b15d414-af78-4d7d-a35d-3be0c8670b2c\", enable_metric=>true, charset=>\"UTF-8\">, host=>\"0.0.0.0\", include_codec_tag=>true, ssl_handshake_timeout=>10000, tls_min_version=>1, tls_max_version=>1.2, cipher_suites=>[\"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384\", \"TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384\", \"TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256\", \"TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256\", \"TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384\", \"TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384\", \"TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256\", \"TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256\"], client_inactivity_timeout=>60, executor_threads=>32>", :error=>"Cipher `TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384` is not available", :thread=>"#<Thread:0x4498a1d8@/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:245 run>"}
>
> ERROR - [main]-pipeline-manager 1000 - - [logstash.pipeline] Pipeline aborted due to error {:pipeline_id=>"main", :exception=>#<LogStash::ConfigurationError: Cipher `TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384` is not available>, :backtrace=>["/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-input-beats-5.0.6-java/lib/logstash/inputs/beats.rb:170:in `create_server'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-input-beats-5.0.6-java/lib/logstash/inputs/beats.rb:158:in `register'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:343:in `register_plugin'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:354:in `block in register_plugins'", "org/jruby/RubyArray.java:1734:in `each'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:354:in `register_plugins'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:510:in `start_inputs'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:401:in `start_workers'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:288:in `run'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:248:in `block in start'"], :thread=>"#<Thread:0x4498a1d8@/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:245 run>"}
>
> ERROR - Ruby-0-Thread-1: /usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/stud-0.0.23/lib/stud/task.rb:22 1000 - - [logstash.agent] Failed to execute action {:id=>:main, :action_type=>LogStash::ConvergeResult::FailedAction, :message=>"Could not execute action: LogStash::PipelineAction::Create/pipeline_id:main, action_result: false", :backtrace=>nil}
ls -lrt /usr/java/jre1.8.0_111/lib/security/
-rw-r--r--. 1 root root 3023 Sep 22 2016 US_export_policy.jar
-rw-r--r--. 1 root root 3035 Sep 22 2016 local_policy.jar
-rw-r--r--. 1 root root 0 Sep 22 2016 trusted.libraries
-rw-r--r--. 1 root root 98 Sep 22 2016 javaws.policy
-rw-r--r--. 1 root root 27358 Sep 22 2016 java.security
-rw-r--r--. 1 root root 2466 Sep 22 2016 java.policy
-rw-r--r--. 1 root root 112860 Sep 22 2016 cacerts
-rw-r--r--. 1 root root 1273 Sep 22 2016 blacklisted.certs
-rw-r--r--. 1 root root 4054 Sep 22 2016 blacklist