Gunseerat opened a new issue, #8824:
URL: https://github.com/apache/cloudstack/issues/8824

   ##### ISSUE TYPE
    * Other
   
   ##### COMPONENT NAME
   Cloudstack-agent
   ~~~
   
   ~~~
   
   ##### CLOUDSTACK VERSION
   4.18
   
   ~~~
   
   ~~~
   
   ##### CONFIGURATION
   2 virtual machines setup with management server and KVM host separately.
   Both machines configured on NAT Network
   
   
   ##### OS / ENVIRONMENT
   Ubuntu 22.04 virtual machines, one configured to run management server and 
second configured to run KVM host.
   Management server has static  IP but no bridge
   KVM host has static IP and Bridge cloudbr0
   
   
   ##### SUMMARY
   everytime i try adding the host it says unable to add host no server 
resources found at x.x.x.x
   
   
   ##### STEPS TO REPRODUCE
   create two VMs
   Add NAT Network
   configured management server and KVM host with official documentation
   ~~~
   
   ~~~
   
   ##### EXPECTED RESULTS
   To be able to add host to management server
   
   ~~~
   
   ~~~
   
   ##### ACTUAL RESULTS
   Error in adding host 
   Please if there is any workaround using virtual machines and ubuntu... 
should the cloudbr0 be configured with something else?
   ~~~
   
   ~~~
   Logs : Cloudstack agent
   ● cloudstack-agent.service - CloudStack Agent
        Loaded: loaded (/lib/systemd/system/cloudstack-agent.service; enabled; 
vendor preset: enabled)
        Active: active (running) since Mon 2024-03-25 11:53:12 IST; 25min ago
        Docs: http://www.cloudstack.org/
      Main PID: 2795 (java)
        Tasks: 22 (limit: 4531)
        Memory: 61.7M
        CPU: 3.072s
        CGroup: /system.slice/cloudstack-agent.service
                └─2795 /usr/bin/java 
-Djava.io.tmpdir=/usr/share/cloudstack-agent/tmp -Xms256m -Xmx2048m -cp 
"/usr/share/cloudstack-agent/lib/*:/usr/share/cloudstack-agent/plugins/*:/etc/cloudstack/agent:/usr/share/cloudstack-common/scripts"
 com.cloud.agent.AgentShell
   
   Mar 25 11:53:13 kvm java[2795]:      at 
com.cloud.agent.AgentShell.launchNewAgent(AgentShell.java:452)
   Mar 25 11:53:13 kvm java[2795]:      at 
com.cloud.agent.AgentShell.launchAgentFromClassInfo(AgentShell.java:431)
   Mar 25 11:53:13 kvm java[2795]:      at 
com.cloud.agent.AgentShell.launchAgent(AgentShell.java:415)
   Mar 25 11:53:13 kvm java[2795]:      at 
com.cloud.agent.AgentShell.start(AgentShell.java:511)
   Mar 25 11:53:13 kvm java[2795]:      at 
com.cloud.agent.AgentShell.main(AgentShell.java:541)
   Mar 25 11:53:13 kvm java[2795]: Caused by: java.lang.ClassNotFoundException: 
com.sun.jna.Callback
   Mar 25 11:53:13 kvm java[2795]:      at 
java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
   Mar 25 11:53:13 kvm java[2795]:      at 
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
   Mar 25 11:53:13 kvm java[2795]:      at 
java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:527)
   Mar 25 11:53:13 kvm java[2795]:      ... 18 more
   
   
   Log : Libvirtd
   ● libvirtd.service - Virtualization daemon
        Loaded: loaded (/lib/systemd/system/libvirtd.service; enabled; vendor 
preset: enabled)
        Active: active (running) since Mon 2024-03-25 11:52:35 IST; 25min ago
        Docs: man:libvirtd(8)
                https://libvirt.org
      Main PID: 2505 (libvirtd)
        Tasks: 21 (limit: 32768)
        Memory: 18.2M
        CPU: 355ms
        CGroup: /system.slice/libvirtd.service
                ├─1037 /usr/sbin/dnsmasq 
--conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro 
--dhcp-script=/usr/lib/libvirt/libvirt_leaseshelper
                ├─1038 /usr/sbin/dnsmasq 
--conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro 
--dhcp-script=/usr/lib/libvirt/libvirt_leaseshelper
                └─2505 /usr/sbin/libvirtd
   
   Mar 25 11:52:35 kvm systemd[1]: Starting Virtualization daemon...
   Mar 25 11:52:35 kvm systemd[1]: Started Virtualization daemon.
   Mar 25 11:52:36 kvm dnsmasq[1037]: read /etc/hosts - 9 addresses
   Mar 25 11:52:36 kvm dnsmasq[1037]: read 
/var/lib/libvirt/dnsmasq/default.addnhosts - 0 addresses
   Mar 25 11:52:36 kvm dnsmasq-dhcp[1037]: read 
/var/lib/libvirt/dnsmasq/default.hostsfile
   Mar 25 11:52:36 kvm libvirtd[2505]: libvirt version: 8.0.0, package: 
1ubuntu7.8 (Lena Voytek <[email protected]> Wed, 29 Nov 2023 14:52:52 
-0700)
   Mar 25 11:52:36 kvm libvirtd[2505]: hostname: kvm
   Mar 25 11:52:36 kvm libvirtd[2505]: Configured security driver "none" 
disables default policy to create confined guests
   
   
   
   Log: Management Server
   ● cloudstack-management.service - CloudStack Management Server
        Loaded: loaded (/lib/systemd/system/cloudstack-management.service; 
enabled; vendor preset: enabled)
        Active: active (running) since Mon 2024-03-25 14:00:12 IST; 10min ago
      Main PID: 2566 (java)
        Tasks: 183 (limit: 4598)
        Memory: 1.0G
        CPU: 1min 51.447s
        CGroup: /system.slice/cloudstack-management.service
                └─2566 /usr/bin/java 
-Djava.security.properties=/etc/cloudstack/management/java.security.ciphers 
-Djava.awt.headless=true -Dcom.sun.management.jmxremote=false -Xmx2G 
-XX:+UseParallelGC -XX:MaxGCPauseMillis=500 -XX:+HeapDumpOn>
   
   Mar 25 14:07:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-3:ctx-bc3ef61c) (logid:a6d0aea0) used memory from /proc: 1106956
   Mar 25 14:08:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-4:ctx-5b01a77a) (logid:03aab6d7) system memory from /proc: 
4097032192
   Mar 25 14:08:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-4:ctx-5b01a77a) (logid:03aab6d7) free memory from /proc: 
152035328
   Mar 25 14:08:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-4:ctx-5b01a77a) (logid:03aab6d7) used memory from /proc: 1107212
   Mar 25 14:09:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-1:ctx-664f53b5) (logid:ad8b2476) system memory from /proc: 
4097032192
   Mar 25 14:09:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-1:ctx-664f53b5) (logid:ad8b2476) free memory from /proc: 
134844416
   Mar 25 14:09:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-1:ctx-664f53b5) (logid:ad8b2476) used memory from /proc: 1117452
   Mar 25 14:10:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-3:ctx-bc7de9ee) (logid:dcda9e97) system memory from /proc: 
4097032192
   Mar 25 14:10:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-3:ctx-bc7de9ee) (logid:dcda9e97) free memory from /proc: 
121516032
   Mar 25 14:10:04 cloud java[2566]: INFO  [c.c.s.StatsCollector] 
(StatsCollector-3:ctx-bc7de9ee) (logid:dcda9e97) used memory from /proc: 1112624
   lines 1-20/20 (END)
   


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