Hi all, I am facing with this issue that my logstash keep restarting.
How do I troubleshoot this? Installing logstash on /usr/share/ is it correct? rather than /etc/?
logstash.service - logstash Loaded: loaded (/etc/systemd/system/logstash.service; enabled; vendor preset: enabled) Active: active (running) since Mon 2019-10-21 10:40:45 +08; 10s ago Main PID: 3115 (java) Tasks: 28 Memory: 826.6M CPU: 47.468s CGroup: /system.slice/logstash.service └─3115 /usr/bin/java -Xms8g -Xmx8g -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -Djava.awt.headless=tru # Stopped logstash. # Started logstash. #Java HotSpot(TM) 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in #WARNING: An illegal reflective access operation has occurred #WARNING: Illegal reflective access by com.headius.backport9.modules.Modules (file:/usr/share/logstash/logstash-core/lib/jars/jru #WARNING: Please consider reporting this to the maintainers of com.headius.backport9.modules.Modules #WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations #WARNING: All illegal access operations will be denied in a future release