I wanna make wildfly-domain as a systemd service in centos7 in works by root user but when i start it as wilfly user after a while it shows error:

java.lang.OutOfMemoryError: unable to create new native threadESC

and stop . even stop service doesn't work .

I tried to change heap-memo and ... but the user is a problem! How can I solve this?

service file is ib wildfly8/bin/init.d/wildfly-init-redhat.sh I tried "ulimit -n " at the top of service script but nothing changed! I have 256Gb Ram and 64core CPU but ....

7

1 Answer

Right place for unit is:

/etc/systemd/system/wildfly.service

This minimal is ok

[Unit] Description=WildFly application server Wants=network-online.target After=network-online.target [Service] Type=simple User=web Group=web ExecStart=/opt/ Restart=always RestartSec=20 [Install] WantedBy=multi-user.target

You should edit only ExecStart field to match your path.

Create user web with

useradd web

Also exec by root:

chown -R web:web /opt/

When 

systemctl start wildfly systemctl enable wildfly

If you get OOMs, inspect your limits

[Service] section of systemd unit, like 

LimitFSIZE=infinity LimitCPU=infinity LimitAS=infinity LimitNOFILE=64000 LimitNPROC=64000

or /etc/security/limits.d/ /etc/security/limits.conf

2

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