# Logstash startup error-) Could not load FFI Provider: (NotImplementedError) FFI not available
**URL:** https://discuss.elastic.co/t/logstash-startup-error-could-not-load-ffi-provider-notimplementederror-ffi-not-available/330904
**Category:** Logstash
**Created:** [April 27, 2023, 6:19am UTC](https://discuss.elastic.co/t/logstash-startup-error-could-not-load-ffi-provider-notimplementederror-ffi-not-available/330904 "2023-04-27T06:19:17Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@karthic](https://discuss.elastic.co/u/karthic)
#### Post date: [April 27, 2023, 6:19am UTC](https://discuss.elastic.co/t/logstash-startup-error-could-not-load-ffi-provider-notimplementederror-ffi-not-available/330904/1 "2023-04-27T06:19:17Z")
Tried to load logstash in a Centos environment
[INFO][logstash.runner] JVM bootstrap flags: [-Xms1g, -Xmx1g, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djruby.compile.invokedynamic=true, -XX:+HeapDumpOnOutOfMemoryError, -Djava.security.egd=file:/dev/urandom, -Dlog4j2.isThreadContextMapInheritable=true, -Djruby.regexp.interruptible=true, -Djdk.io.File.enableADS=true, --add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED, --add-opens=java.base/java.security=ALL-UNNAMED, --add-opens=java.base/java.io=ALL-UNNAMED, --add-opens=java.base/java.nio.channels=ALL-UNNAMED, --add-opens=java.base/sun.nio.ch=ALL-UNNAMED, --add-opens=java.management/sun.management=ALL-UNNAMED]
[2023-04-28T11:16:46,268][FATAL][org.logstash.Logstash] Logstash stopped processing because of an error: (LoadError) Could not load FFI Provider: (NotImplementedError) FFI not available: null
See [http://jira.codehaus.org/browse/JRUBY-4583](http://jira.codehaus.org/browse/JRUBY-4583)
org.jruby.exceptions.LoadError: (LoadError) Could not load FFI Provider: (NotImplementedError) FFI not available: null
See [http://jira.codehaus.org/browse/JRUBY-4583](http://jira.codehaus.org/browse/JRUBY-4583)
at org.jruby.ext.jruby.JRubyUtilLibrary.load\_ext(org/jruby/ext/jruby/JRubyUtilLibrary.java:216) ~[jruby.jar:?]
at RUBY.(/usr/share/logstash/vendor/bundle/jruby/2.6.0/gems/ffi-1.15.5-java/lib/ffi.rb:11) ~[?:?]
at org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:1017) ~[jruby.jar:?]
at RUBY.module:LibC(/usr/share/logstash/logstash-core/lib/logstash/util/prctl.rb:19) ~[?:?]
at RUBY.(/usr/share/logstash/logstash-core/lib/logstash/util/prctl.rb:18) ~[?:?]
at org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:1017) ~[jruby.jar:?]
at RUBY.set\_thread\_name(/usr/share/logstash/logstash-core/lib/logstash/util.rb:36) ~[?:?]
at RUBY.execute(/usr/share/logstash/logstash-core/lib/logstash/runner.rb:365) ~[?:?]
at RUBY.run(/usr/share/logstash/vendor/bundle/jruby/2.6.0/gems/clamp-1.0.1/lib/clamp/command.rb:68) ~[?:?]
at RUBY.run(/usr/share/logstash/logstash-core/lib/logstash/runner.rb:287) ~[?:?]
at RUBY.run(/usr/share/logstash/vendor/bundle/jruby/2.6.0/gems/clamp-1.0.1/lib/clamp/command.rb:133) ~[?:?]
at usr.share.logstash.lib.bootstrap.environment.(/usr/share/logstash/lib/bootstrap/environment.rb:90) ~[?:?]
Caused by: org.jruby.exceptions.NotImplementedError: (NotImplementedError) FFI not available: null
Unable to start the logstash. Please instruct me step by step to resolve it
My config as follows
input {
beats {
port =\> 5044
}
}
output {
elasticsearch {
hosts =\> ["localhost:9200"]
index =\> "%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"
}
}
---
### Author:  [@Badger](https://discuss.elastic.co/u/Badger)
#### Post date: [April 27, 2023, 2:40pm UTC](https://discuss.elastic.co/t/logstash-startup-error-could-not-load-ffi-provider-notimplementederror-ffi-not-available/330904/2 "2023-04-27T14:40:32Z")
Please do not use images of text, just post the text. Images are not searchable and some folk may not be able to see them at all.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [May 25, 2023, 2:40pm UTC](https://discuss.elastic.co/t/logstash-startup-error-could-not-load-ffi-provider-notimplementederror-ffi-not-available/330904/3 "2023-05-25T14:40:41Z")
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