Just an update: we found it has to do with log4j-over-slf4j being loaded before reload4j. When we update CLASSPATH in /etc/default/cloudstack-agent to load reload4j first, it seems to work fine.
Met vriendelijke groet / Kind regards, Ruben Bosch CLDIN > On 19 Jun 2023, at 17:18, Ruben Bosch <ruben.bo...@cldin.eu> wrote: > > Hi guys, > > I'm checking in to see if anyone here has seen this behaviour before: when > installing a fresh kvm hypervisor (Ubuntu 20.04) using CS version 4.16.1 it's > a roll of the dice whether agent.log will be populated or does not get > created at all and fails on a class loading failure. This does not happen > each time we install a host, but it does pop up frequently. journalctl will > still return part of the log, but it's never written to > /var/log/cloudstack/agent/agent.log. Has anyone seen this behaviour before > and have they found a quick fix? We've had to reinstall the affected hosts, > which is a waste of resources. > > What we see in journalctl: > > systemd[1]: Started CloudStack Agent. > java[8793]: SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". > java[8793]: SLF4J: Defaulting to no-operation (NOP) logger implementation > java[8793]: SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for > further details. > sudo[9160]: root : TTY=unknown ; PWD=/ ; USER=root ; > COMMAND=/usr/bin/grep InitiatorName= /etc/iscsi/initiatorname.iscsi > sudo[9160]: pam_unix(sudo:session): session opened for user root by (uid=0) > sudo[9160]: pam_unix(sudo:session): session closed for user root > java[8793]: libvirt: Domain Config error : invalid connection pointer in > virConnectGetVersion > java[8793]: libvirt: Storage Driver error : Storage pool not found: no > storage pool with matching uuid '457f56b3-a4b4-4fb5-88d9-6866a2411233' > java[8793]: SLF4J: Failed to load class "org.slf4j.impl.StaticMDCBinder". > java[8793]: SLF4J: Defaulting to no-operation MDCAdapter implementation. > java[8793]: SLF4J: See http://www.slf4j.org/codes.html#no_static_mdc_binder > for further details. > > Relavent libraries present on a broken and working system share the same > checksum: > 4dde0990b45d1bbba6ee141da8fa9c25 > /usr/share/cloudstack-agent/lib/jcl-over-slf4j-1.7.5.jar > b184ba88bc78cedc2c73ab4da5a4b5a8 > /usr/share/cloudstack-agent/lib/jul-to-slf4j-1.7.5.jar > 43f5e20de20e839d305abe1f0b594a7a > /usr/share/cloudstack-agent/lib/log4j-over-slf4j-1.7.5.jar > 3b1ececad9ebc3fbad2953ccf4a070ca > /usr/share/cloudstack-agent/lib/slf4j-api-1.7.5.jar > > Met vriendelijke groet / Kind regards, > > Ruben Bosch > CLDIN >
