Issue with JMX Plugin - No such file or directory - No such directory

Elastic Stack Logstash
1

Hello.

I'm experiencing issues when attempting to get the JMX plugin to start via Logstash in a v5 ELK farm.

I have previously installed the jmx plugin via bin/logstash-plugin install logstash-input-jmx and received an error for javac.

I resolved this javac error, then reran the install, no errors after that.

Basically when attempting to start logstash with jmx, it throws a no such file or directory error, even though the jmxconfig file is in the same folder as my bin/logstash -f .conf

[2017-06-27T16:37:32,621][ERROR][logstash.inputs.jmx ] No such file or directory - No such directory: /opt/logstash/logstash-5.4.0/bin/jmx-config
[2017-06-27T16:37:32,621][ERROR][logstash.inputs.jmx ] org/jruby/RubyDir.java:165:in initialize' org/jruby/RubyDir.java:406:in foreach'
/opt/logstash/logstash-5.4.0/vendor/bundle/jruby/1.9/gems/logstash-input-jmx-3.0.2/lib/logstash/inputs/jmx.rb:326:in run' /opt/logstash/logstash-5.4.0/logstash-core/lib/logstash/pipeline.rb:443:in inputworker'
/opt/logstash/logstash-5.4.0/logstash-core/lib/logstash/pipeline.rb:436:in `start_input'

Further through the log it performs the following:

[2017-06-27T16:37:32,731][FATAL][logstash.runner ] An unexpected error occurred! {:error=>#<LogStash::ShutdownSignal: LogStash::ShutdownSignal>, :backtrace=>["/opt/logstash/logstash-5.4.0/vendor/bundle/jruby/1.9/gems/logstash-input-jmx-3.0.2/lib/logstash/inputs/jmx.rb:321:in `run'"]}
[2017-06-27T16:37:32,735][DEBUG][logstash.pipeline ] Shutdown waiting for worker thread #Thread:0x68639872

I appreciate any assistance anyone can give resolving this issue.

Thanks again!

2

The second error message from the log is incomplete. Please post it again but format it as preformatted text using the </> toolbar button.

3

Hi Magnus,

See below:

ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only errors to the console.
Sending Logstash's logs to /opt/logstash/logstash-5.4.0/logs which is now configured via log4j2.properties
[2017-07-05T11:01:29,747][INFO ][logstash.pipeline ] Starting pipeline {"id"=>"main", "pipeline.workers"=>2, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>5, "pipeline.max_inflight"=>250}
[2017-07-05T11:01:29,789][INFO ][logstash.inputs.jmx ] Create queue dispatching JMX requests to threads
[2017-07-05T11:01:29,790][INFO ][logstash.inputs.jmx ] Compile regexp for group alias object replacement
[2017-07-05T11:01:29,795][INFO ][logstash.pipeline ] Pipeline main started
[2017-07-05T11:01:29,804][INFO ][logstash.inputs.jmx ] Initialize 4 threads for JMX metrics collection
[2017-07-05T11:01:29,832][INFO ][logstash.inputs.jmx ] Loading configuration files in path {:path=>"/opt/logstash/logstash-5.4.0/bin/jmx-config"}
[2017-07-05T11:01:29,833][ERROR][logstash.inputs.jmx ] No such file or directory - No such directory: /opt/logstash/logstash-5.4.0/bin/jmx-config
[2017-07-05T11:01:29,833][ERROR][logstash.inputs.jmx ] org/jruby/RubyDir.java:165:in initialize' org/jruby/RubyDir.java:406:inforeach'
/opt/logstash/logstash-5.4.0/vendor/bundle/jruby/1.9/gems/logstash-input-jmx-3.0.2/lib/logstash/inputs/jmx.rb:326:in run' /opt/logstash/logstash-5.4.0/logstash-core/lib/logstash/pipeline.rb:443:ininputworker'
/opt/logstash/logstash-5.4.0/logstash-core/lib/logstash/pipeline.rb:436:in `start_input'
[2017-07-05T11:01:29,867][INFO ][logstash.agent ] Successfully started Logstash API endpoint {:port=>9600}
[2017-07-05T11:01:32,812][WARN ][logstash.agent ] stopping pipeline {:id=>"main"}

4

It looks like you've configured the input to look for configuration files in /opt/logstash/logstash-5.4.0/bin/jmx-config but that there's no such directory on the machine.

5

Ok, I thought I just had to have the json file there, not an actual directory containing them. Got it making a connection attempt now.

Thanks for your assistance.

6

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