Hi Wei, The agent still logs expected lines to disk when removing these: jcl-over-slf4j-1.7.5.jar jul-to-slf4j-1.7.5.jar log4j-over-slf4j-1.7.5.jar slf4j-api-1.7.5.jar
Met vriendelijke groet / Kind regards, Ruben Bosch CLDIN > On 20 Jun 2023, at 12:46, Wei ZHOU <ustcweiz...@gmail.com> wrote: > > Hi Ruben, > > Thanks for the update. > > I am wondering if the slf4j jars can be removed. Can you test it if > possible ? > > -Wei > > On Tue, 20 Jun 2023 at 11:47, Ruben Bosch <ruben.bo...@cldin.eu> wrote: > >> 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 >>> >> >>