Stderr output

<core_client_version>8.2.4</core_client_version>
<![CDATA[
<message>
The filename or extension is too long.
 (0xce) - exit code 206 (0xce)</message>
<stderr_txt>
2025-10-15 02:06:32 (3500): vboxwrapper version 26210
2025-10-15 02:06:32 (3500): BOINC client version: 8.2.4
2025-10-15 02:06:32 (3500): Detected: VirtualBox VboxManage Interface (Version: 7.1.12)
2025-10-15 02:06:33 (3500): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2025-10-15 02:06:33 (3500): Successfully copied 'init_data.xml' to the shared directory.
2025-10-15 02:06:33 (3500): Create VM. (boinc_f9461fdcc7da4f8d, slot#0)
2025-10-15 02:06:33 (3500): Setting Memory Size for VM. (2048MB)
2025-10-15 02:06:34 (3500): Setting CPU Count for VM. (4)
2025-10-15 02:06:34 (3500): Setting Chipset Options for VM.
2025-10-15 02:06:34 (3500): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2025-10-15 02:06:34 (3500): Setting Boot Options for VM.
2025-10-15 02:06:35 (3500): Setting Network Configuration for NAT. (Driver: virtio)
2025-10-15 02:06:35 (3500): Enabling VM Network Access.
2025-10-15 02:06:35 (3500): Disabling USB Support for VM.
2025-10-15 02:06:36 (3500): Disabling COM Port Support for VM.
2025-10-15 02:06:36 (3500): Disabling LPT Port Support for VM.
2025-10-15 02:06:36 (3500): Disabling Audio Support for VM.
2025-10-15 02:06:36 (3500): Disabling Clipboard Support for VM.
2025-10-15 02:06:37 (3500): Disabling Drag and Drop Support for VM.
2025-10-15 02:06:37 (3500): Adding storage controller(s) to VM.
2025-10-15 02:06:37 (3500): Adding virtual disk drive to VM. (CMS_2025_04_08_prod.vdi)
2025-10-15 02:06:39 (3500): Adding VirtualBox Guest Additions to VM.
2025-10-15 02:06:40 (3500): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2025-10-15 02:06:40 (3500): forwarding host port 59816 to guest port 80
2025-10-15 02:06:40 (3500): Enabling remote desktop for VM.
2025-10-15 02:06:41 (3500): Enabling shared directory for VM.
2025-10-15 02:06:41 (3500): Starting VM using VBoxManage interface. (boinc_f9461fdcc7da4f8d, slot#0)
2025-10-15 02:06:45 (3500): Successfully started VM. (PID = '13572')
2025-10-15 02:06:45 (3500): Reporting VM Process ID to BOINC.
2025-10-15 02:06:45 (3500): Guest Log: BIOS: VirtualBox 7.1.12
2025-10-15 02:06:45 (3500): Guest Log: CPUID EDX: 0x178bfbff
2025-10-15 02:06:45 (3500): Guest Log: BIOS: No PCI IDE controller, not probing IDE
2025-10-15 02:06:45 (3500): Guest Log: BIOS: AHCI 0-P#0: PCHS=16383/16/63 LCHS=1024/255/63 0x0000000002800000 sectors
2025-10-15 02:06:45 (3500): VM state change detected. (old = 'poweredoff', new = 'running')
2025-10-15 02:06:45 (3500): Detected: Web Application Enabled (http://localhost:59816)
2025-10-15 02:06:45 (3500): Detected: Remote Desktop Enabled (localhost:59817)
2025-10-15 02:06:45 (3500): Preference change detected
2025-10-15 02:06:45 (3500): Setting CPU throttle for VM. (100%)
2025-10-15 02:06:45 (3500): Setting checkpoint interval to 600 seconds. (Higher value of (Preference: 480 seconds) or (Vbox_job.xml: 600 seconds))
2025-10-15 02:06:47 (3500): Guest Log: BIOS: Boot : bseqnr=1, bootseq=0032
2025-10-15 02:06:47 (3500): Guest Log: BIOS: Booting from Hard Disk...
2025-10-15 02:06:49 (3500): Guest Log: BIOS: KBD: unsupported int 16h function 03
2025-10-15 02:06:49 (3500): Guest Log: BIOS: AX=0305 BX=0000 CX=0000 DX=0000 
2025-10-15 02:07:09 (3500): Guest Log: vgdrvHeartbeatInit: Setting up heartbeat to trigger every 2000 milliseconds
2025-10-15 02:07:09 (3500): Guest Log: vboxguest: misc device minor 56, IRQ 20, I/O port d020, MMIO at 00000000f0400000 (size 0x400000)
2025-10-15 02:07:09 (3500): Guest Log: VBoxService 5.2.6 r120293 (verbosity: 0) linux.amd64 (Jan 15 2018 14:51:00) release log
2025-10-15 02:07:09 (3500): Guest Log: 00:00:00.000074 main     Log opened 2025-10-15T01:07:09.810109000Z
2025-10-15 02:07:09 (3500): Guest Log: 00:00:00.000125 main     OS Product: Linux
2025-10-15 02:07:09 (3500): Guest Log: 00:00:00.000141 main     OS Release: 4.14.232-19.cernvm.x86_64
2025-10-15 02:07:09 (3500): Guest Log: 00:00:00.000158 main     OS Version: #1 SMP Fri Apr 30 17:12:25 CEST 2021
2025-10-15 02:07:09 (3500): Guest Log: 00:00:00.000173 main     Executable: /usr/sbin/VBoxService
2025-10-15 02:07:09 (3500): Guest Log: 00:00:00.000173 main     Process ID: 2267
2025-10-15 02:07:09 (3500): Guest Log: 00:00:00.000173 main     Package type: LINUX_64BITS_GENERIC
2025-10-15 02:07:09 (3500): Guest Log: 00:00:00.000502 main     5.2.6 r120293 started. Verbose level = 0
2025-10-15 02:07:19 (3500): Guest Log: [INFO] Mounting the shared directory
2025-10-15 02:07:19 (3500): Guest Log: [INFO] Shared directory mounted, enabling vboxmonitor
2025-10-15 02:07:19 (3500): Guest Log: [INFO] Sourcing essential functions from /cvmfs/grid.cern.ch
2025-10-15 02:07:19 (3500): Guest Log: [INFO] Testing connection to cern.ch
2025-10-15 02:07:20 (3500): Guest Log: [INFO] Testing connection to VCCS
2025-10-15 02:07:20 (3500): Guest Log: [INFO] Testing connection to HTCondor
2025-10-15 02:07:20 (3500): Guest Log: [INFO] Testing connection to WMAgent
2025-10-15 02:07:20 (3500): Guest Log: [INFO] Testing connection to EOSCMS
2025-10-15 02:07:20 (3500): Guest Log: [INFO] Testing connection to CMS-Factory
2025-10-15 02:07:20 (3500): Guest Log: [INFO] Testing connection to CMS-Frontier
2025-10-15 02:07:21 (3500): Guest Log: [INFO] Testing connection to Frontier
2025-10-15 02:07:21 (3500): Guest Log: [INFO] Testing connection to http://cms-frontier.openhtc.io:8080/FrontierProd/Frontier/
2025-10-15 02:07:21 (3500): Guest Log: [INFO] Got a proxy from the local BOINC client
2025-10-15 02:07:21 (3500): Guest Log: [INFO] Will use it for CVMFS and Frontier
2025-10-15 02:07:22 (3500): Guest Log: [INFO] Reloading and probing the CVMFS configuration
2025-10-15 02:07:26 (3500): Guest Log: [INFO] Probing /cvmfs/grid.cern.ch... OK
2025-10-15 02:07:28 (3500): Guest Log: [INFO] Probing /cvmfs/singularity.opensciencegrid.org... OK
2025-10-15 02:07:28 (3500): Guest Log: [INFO] Probing /cvmfs/cms-ib.cern.ch... OK
2025-10-15 02:07:28 (3500): Guest Log: [INFO] Probing /cvmfs/cms.cern.ch... OK
2025-10-15 02:07:28 (3500): Guest Log: [INFO] Probing /cvmfs/oasis.opensciencegrid.org... OK
2025-10-15 02:07:28 (3500): Guest Log: [INFO] Excerpt from "cvmfs_config stat": VERSION HOST PROXY
2025-10-15 02:07:28 (3500): Guest Log: [INFO] 2.7.2.0 http://s1ral-cvmfs.openhtc.io http://192.168.1.15:3128
2025-10-15 02:07:28 (3500): Guest Log: [INFO] Environment HTTP proxy: http://treacle:3128
2025-10-15 02:07:28 (3500): Guest Log: [INFO] Reading volunteer information
2025-10-15 02:07:37 (3500): Guest Log: [INFO] Requesting an X509 credential from LHC@home
2025-10-15 02:07:37 (3500): Guest Log: [INFO] Requesting an X509 credential from vLHC@home-dev
2025-10-15 02:08:08 (3500): Guest Log: [INFO] Requesting an X509 credential from LHC@home
2025-10-15 02:08:08 (3500): Guest Log: [INFO] Requesting an X509 credential from vLHC@home-dev
2025-10-15 02:08:38 (3500): Guest Log: [INFO] Requesting an X509 credential from LHC@home
2025-10-15 02:08:38 (3500): Guest Log: [INFO] Requesting an X509 credential from vLHC@home-dev
2025-10-15 02:09:08 (3500): Guest Log: [INFO] Requesting an X509 credential from LHC@home
2025-10-15 02:09:08 (3500): Guest Log: [INFO] Requesting an X509 credential from vLHC@home-dev
2025-10-15 02:09:38 (3500): Guest Log: [INFO] Requesting an X509 credential from LHC@home
2025-10-15 02:09:38 (3500): Guest Log: [INFO] Requesting an X509 credential from vLHC@home-dev
2025-10-15 02:10:08 (3500): Guest Log: [INFO] Requesting an X509 credential from LHC@home
2025-10-15 02:10:08 (3500): Guest Log: [INFO] Requesting an X509 credential from vLHC@home-dev
2025-10-15 02:10:39 (3500): Guest Log: [DEBUG]   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
2025-10-15 02:10:39 (3500): Guest Log:                                  Dload  Upload   Total   Spent    Left  Speed
2025-10-15 02:10:39 (3500): Guest Log:   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
2025-10-15 02:10:39 (3500): Guest Log:   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
2025-10-15 02:10:39 (3500): Guest Log: curl: (56) Received HTTP code 403 from proxy after CONNECT
2025-10-15 02:10:39 (3500): Guest Log: [DEBUG] 
2025-10-15 02:10:39 (3500): Guest Log: ERROR: Couldn't find a valid proxy.
2025-10-15 02:10:39 (3500): Guest Log:        globus_sysconfig: File has zero length: File: /tmp/x509up_u0
2025-10-15 02:10:39 (3500): Guest Log: Use -debug for further information.
2025-10-15 02:10:39 (3500): Guest Log: [ERROR] Could not get an x509 credential
2025-10-15 02:10:39 (3500): Guest Log: [ERROR] The x509 proxy creation failed.
2025-10-15 02:10:39 (3500): Guest Log: [DEBUG] Volunteer: treaclepumpkin (39000)
2025-10-15 02:10:39 (3500): Guest Log: [INFO] Shutting Down.
2025-10-15 02:11:09 (3500): VM Completion File Detected.
2025-10-15 02:11:09 (3500): VM Completion Message: The x509 proxy creation failed.
.
2025-10-15 02:11:09 (3500): Powering off VM.
2025-10-15 02:11:10 (3500): Successfully stopped VM.
2025-10-15 02:11:10 (3500): Deregistering VM. (boinc_f9461fdcc7da4f8d, slot#0)
2025-10-15 02:11:10 (3500): Removing network bandwidth throttle group from VM.
2025-10-15 02:11:10 (3500): Removing VM from VirtualBox.
2025-10-15 02:11:16 (3500): called boinc_finish(206)

</stderr_txt>
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