Error parsing logs in Logstash

Elastic Stack Logstash
1

Hey guys,

I'm doing the 'Getting started with Logstash' tutorial at this moment.
link to tutorial

While I'm following all steps, I'm stuck at an error:

It's this error:

sudo bin/logstash -f first-pipeline.conf --config.reload.automatic
Sending Logstash's logs to /home/edward/Desktop/prototype/logstash-6.2.2/logs which is now configured via log4j2.properties
[2018-03-02T14:29:44,862][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"netflow", :directory=>"/home/edward/Desktop/prototype/logstash-6.2.2/modules/netflow/configuration"}
[2018-03-02T14:29:44,945][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"fb_apache", :directory=>"/home/edward/Desktop/prototype/logstash-6.2.2/modules/fb_apache/configuration"}
[2018-03-02T14:29:46,424][WARN ][logstash.config.source.multilocal] Ignoring the 'pipelines.yml' file because modules or command line options are specified
[2018-03-02T14:29:46,534][FATAL][logstash.runner ] Logstash could not be started because there is already another instance using the configured data directory. If you wish to run multiple instances, you must change the "path.data" setting.
[2018-03-02T14:29:46,647][ERROR][org.logstash.Logstash ] java.lang.IllegalStateException: org.jruby.exceptions.RaiseException: (SystemExit) exit

Anyone knows how to fix this problem?
I have searched all over the internet, but I couldn't find the solution.

Thnx,

2

Let's assume the the error is correct.

try doing a 'ps -ef | grep logstash' and see if there is one already running if so kill it

3

Thnx for the info. I have already fixed it.
The problem was that once it was already run and stopped, it didn't stop the Logstash.runner. I had to reboot the pc and run it once.

4

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