Puppet server won't start

[Prentice Bisbal]

I'm doing a fresh install of Puppet6 on CentOS 7.6:

# rpm -qa | grep puppet
puppetserver-6.4.0-1.el7.noarch
puppetdb-termini-6.3.4-1.el7.noarch
puppet-bolt-1.26.0-1.el7.x86_64
puppet-client-tools-1.2.6-1.el7.x86_64
puppetdb-6.3.4-1.el7.noarch
puppet-agent-6.8.1-1.el7.x86_64
puppet6-release-6.0.0-5.el7.noarch

# cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)

I believe I have everything configured correctly, but when I try to
start puppetserver, it fails to start:

# systemctl start puppetserver
Job for puppetserver.service failed because the control process exited
with error code. See "systemctl status puppetserver.service" and
"journalctl -xe" for details.

The output of "systemctl status ..." and "journalctl -xe" aren't very
helpful to me:

# systemctl status puppetserver.service
● puppetserver.service - puppetserver Service
   Loaded: loaded (/usr/lib/systemd/system/puppetserver.service;
enabled; vendor preset: disabled)
   Active: activating (start) since Wed 2019-09-04 15:10:53 EDT; 19s ago
  Control: 21586 (bash)
    Tasks: 39 (limit: 4915)
   CGroup: /system.slice/puppetserver.service
           ├─21586 bash
/opt/puppetlabs/server/apps/puppetserver/cli/apps/start
           ├─21593 /usr/bin/java -Xms2g -Xmx2g
-Djruby.logger.class=com.puppetlabs.jruby_utils.jruby.Slf4jLogger
-Djava.security.egd=/dev/urandom -XX:OnOutOfMemoryError=kill -9 %p -cp /...
           └─21708 sleep 1

Sep 04 15:10:53 puppet.pppl.gov systemd[1]: Starting puppetserver Service...

# journalctl -xe
Sep 04 15:11:58 puppet.pppl.gov puppetserver[21871]: at
org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:970)
Sep 04 15:11:58 puppet.pppl.gov puppetserver[21871]: at
RUBY.require(uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:59)
Sep 04 15:11:58 puppet.pppl.gov puppetserver[21871]: at
RUBY.<main>(uri:classloader:/puppetserver-lib/puppet/server.rb:1)
Sep 04 15:11:58 puppet.pppl.gov puppetserver[21871]: at
org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:970)
Sep 04 15:11:58 puppet.pppl.gov puppetserver[21871]: at
RUBY.(root)(uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1)
Sep 04 15:11:58 puppet.pppl.gov puppetserver[21871]: at
RUBY.<main>(uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:59)
Sep 04 15:11:58 puppet.pppl.gov puppetserver[21871]: Background process
21878 exited before start had completed
Sep 04 15:11:58 puppet.pppl.gov systemd[1]: puppetserver.service:
control process exited, code=exited status=1
Sep 04 15:11:58 puppet.pppl.gov systemd[1]: Failed to start puppetserver
Service.
-- Subject: Unit puppetserver.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit puppetserver.service has failed.
--
-- The result is failed.
Sep 04 15:11:58 puppet.pppl.gov systemd[1]: Unit puppetserver.service
entered failed state.
Sep 04 15:11:58 puppet.pppl.gov systemd[1]: puppetserver.service failed.
Sep 04 15:11:58 puppet.pppl.gov systemd[1]: puppetserver.service holdoff
time over, scheduling restart.
Sep 04 15:11:58 puppet.pppl.gov systemd[1]: Stopped puppetserver Service.
-- Subject: Unit puppetserver.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit puppetserver.service has finished shutting down.
Sep 04 15:11:58 puppet.pppl.gov systemd[1]: Starting puppetserver Service...
-- Subject: Unit puppetserver.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit puppetserver.service has begun starting up.

However, the output of 'ps -ef | grep puppet' shows it's running:

# ps -ef | grep puppet
puppet   22299     1  0 15:12 ?        00:00:00 bash
/opt/puppetlabs/server/apps/puppetserver/cli/apps/start
puppet   22306 22299 99 15:12 ?        00:00:08 /usr/bin/java -Xms2g
-Xmx2g -Djruby.logger.class=com.puppetlabs.jruby_utils.jruby.Slf4jLogger
-Djava.security.egd=/dev/urandom -XX:OnOutOfMemoryError=kill -9 %p -cp
/opt/puppetlabs/server/apps/puppetserver/puppet-server-release.jar:/opt/puppetlabs/server/data/puppetserver/jars/*
clojure.main -m puppetlabs.trapperkeeper.main --config
/etc/puppetlabs/puppetserver/conf.d --bootstrap-config
/etc/puppetlabs/puppetserver/services.d/,/opt/puppetlabs/server/apps/puppetserver/config/services.d/
--restart-file /opt/puppetlabs/server/data/puppetserver/restartcounter

But nmap doesn't show anything listening on port 8140, whether I use the
public address or the loopback address:

# nmap localhost

Starting Nmap 6.40 ( http://nmap.org ) at 2019-09-04 15:13 EDT
Nmap scan report for localhost (127.0.0.1)
Host is up (0.0000050s latency).
Other addresses for localhost (not scanned): 127.0.0.1
Not shown: 997 closed ports
PORT     STATE SERVICE
22/tcp   open  ssh
25/tcp   open  smtp
5432/tcp open  postgresql

# nmap 172.16.0.52

Starting Nmap 6.40 ( http://nmap.org ) at 2019-09-04 15:13 EDT
Nmap scan report for puppet.pppl.gov (172.16.0.52)
Host is up (0.000011s latency).
Not shown: 999 closed ports
PORT   STATE SERVICE
22/tcp open  ssh

Nmap done: 1 IP address (1 host up) scanned in 0.19 seconds

Iptables is off and SELinux is in permissive mode as I troubleshoot
this. Any idea what is wrong with my setup?

Any help will be appreciated.

Prentice

[Justin Stoller]

This looks like part of stacktrace. Is there a full stacktrace in  /var/log/puppetlabs/puppetserver/puppetserver.log ? If there is it might give more info.

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[comport3]

What are the server specs? Any clues in /var/log/messages or /var/log/syslog to give clues if it's an OOM error?