Packer seems to error on POST “/sdk”: 502 Proxy Error when trying to clone from template.
I attempted to increase ip_wait_timeout and ip_settle_timeoutbut its fails almost immediately after Waiting for IP... stage.
2025/09/29 08:40:38 On error: abort
2025/09/29 08:40:38 Waiting on builds to complete…
2025/09/29 08:40:38 Starting build run: vsphere-clone.on-prem-connector-patch
2025/09/29 08:40:38 Running builder: vsphere-clone
2025/09/29 08:40:38 [INFO] (telemetry) Starting builder vsphere-clone.on-prem-connector-patch
vsphere-clone.on-prem-connector-patch: output will be in this color.
2025/09/29 08:40:39 packer-plugin-vsphere_v2.0.0_x5.0_linux_amd64 plugin: 2025/09/29 08:40:39 No CD files specified. CD disk will not be made.
==> vsphere-clone.on-prem-connector-patch: Finding virtual machine to clone…
==> vsphere-clone.on-prem-connector-patch: Cloning virtual machine…
==> vsphere-clone.on-prem-connector-patch: Customizing hardware…
==> vsphere-clone.on-prem-connector-patch: Mounting ISO images…
2025/09/29 08:42:13 packer-plugin-vsphere_v2.0.0_x5.0_linux_amd64 plugin: 2025/09/29 08:42:13 No floppy files specified. Floppy disk will not be made.
==> vsphere-clone.on-prem-connector-patch: Adding configuration parameters…
==> vsphere-clone.on-prem-connector-patch: Powering on virtual machine…
2025/09/29 08:42:14 packer-plugin-vsphere_v2.0.0_x5.0_linux_amd64 plugin: 2025/09/29 08:42:14 [INFO] Waiting for IP, up to total timeout: 20m0s, settle timeout: 3m0s
==> vsphere-clone.on-prem-connector-patch: Waiting for IP…
==> vsphere-clone.on-prem-connector-patch: POST “/sdk”: 502 Proxy Error
==> vsphere-clone.on-prem-connector-patch: Step “StepWaitForIp” failed, aborting…
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepBootCommand”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepRun”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepSshKeyPair”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepHTTPServer”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepHTTPIPDiscover”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepAddFloppy”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepCreateFloppy”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepConfigParams”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepAddCDRom”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepAddFlag”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepConfigureHardware”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepCloneVM”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepRemoteUpload”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepCreateCD”
==> vsphere-clone.on-prem-connector-patch: aborted: skipping cleanup of step “StepConnect”
2025/09/29 08:42:45 [INFO] (telemetry) ending vsphere-clone.on-prem-connector-patch
==> Wait completed after 2 minutes 6 seconds
2025/09/29 08:42:45 machine readable: error-count string{“1”}
==> Some builds didn’t complete successfully and had errors:
2025/09/29 08:42:45 machine readable: vsphere-clone.on-prem-connector-patch,error string{“POST \”/sdk\“: 502 Proxy Error”}
==> Builds finished but no artifacts were created.
2025/09/29 08:42:45 [INFO] (telemetry) Finalizing.
Build ‘vsphere-clone.on-prem-connector-patch’ errored after 2 minutes 6 seconds: POST “/sdk”: 502 Proxy Error
==> Wait completed after 2 minutes 6 seconds
==> Some builds didn’t complete successfully and had errors:
- → vsphere-clone.on-prem-connector-patch: POST “/sdk”: 502 Proxy Error
==> Builds finished but no artifacts were created.
2025/09/29 08:42:45 waiting for all plugin processes to complete…
2025/09/29 08:42:45 /home/ubuntu/actions-runner/hostedtoolcache/packer_linux/1.14.2/x64/packer: plugin process exited
2025/09/29 08:42:45 /home/ubuntu/actions-runner/hostedtoolcache/packer_linux/1.14.2/x64/packer: plugin process exited
2025/09/29 08:42:45 /home/ubuntu/actions-runner/hostedtoolcache/packer_linux/1.14.2/x64/packer: plugin process exited
2025/09/29 08:42:45 /home/ubuntu/actions-runner/hostedtoolcache/packer_linux/1.14.2/x64/packer: plugin process exited
2025/09/29 08:42:45 /home/ubuntu/.config/packer/plugins/github.com/hashicorp/vsphere/packer-plugin-vsphere_v2.0.0_x5.0_linux_amd64: plugin process exited
2025/09/29 08:42:45 /home/ubuntu/actions-runner/hostedtoolcache/packer_linux/1.14.2/x64/packer: plugin process exited