Getting elasticsearch “can not run as root” error after upgrading from SonarQube 6.5 to 6.6. Nothing else changed

Question

Getting elasticsearch \"can not run as root\" error after upgrading from SonarQube 6.5 to 6.6. Nothing else changed.

CentOS release 6.8 (Final) Java(TM) SE Runtime Envir

Answer 1

Faced the same issue, do some changes in my sonar service file and it start working. below is my sonar service file

[Unit]
Description=SonarQube service
After=syslog.target network.target

[Service]
Type=forking
#Type=simple
User=sonar
Group=sonar
PermissionsStartOnly=true
ExecStart=/opt/sonarqube/bin/linux-x86-64/sonar.sh start
ExecStop=/opt/sonarqube/bin/linux-x86-64/sonar.sh stop
StandardOutput=syslog
LimitNOFILE=65536
LimitNPROC=8192
#TimeoutStartSec=5
Restart=always

[Install]
WantedBy=multi-user.target

Also follow change the home directory of sonar user

$ usermod -d /opt/sonarqube sonar