Server Error (500)

Kris

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Sep 2, 2025, 5:36:20 AMSep 2

to Challenge on Learned Image Compression (CLIC)

Dear organizers, I encountered a server error (500) when submitting my decoder. The issue doesn’t seem to be related to file size, as my decoder.zip is around 2.37 GB (2.6 GB uncompressed), which satisfies the submission limit. However, a 500 MB dummy version without full checkpoints uploads successfully.

Could you help me identify what might be causing the error, or suggest how to proceed?

Thanks in advance!

Best regards,

Kris

Lucas Theis

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Sep 2, 2025, 7:54:49 AMSep 2

to Kris, Challenge on Learned Image Compression (CLIC)

Hi Kris,

Can you provide us with:

- Your team's name

- A submission ID if the 500 error happened after the submission was created

Thanks,

Lucas

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Hiroshi Hiko

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Sep 2, 2025, 8:24:03 AMSep 2

to Lucas Theis, Challenge on Learned Image Compression (CLIC)

Hi, thanks for your reply.

Team name: NYCU_MAPL
The submission was unsuccessful, so a submission ID was not generated.

Thanks again!

Best Regards,

Kris

Lucas Theis <lu...@mabyduck.com> 於 2025年9月2日週二下午7:54寫道：

Chen, Yixu

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Sep 2, 2025, 1:48:17 PMSep 2

to Hiroshi Hiko, Lucas Theis, Challenge on Learned Image Compression (CLIC)

Hi Kris,

I resubmit your submission id 789 and didn’t see 500 error.

The following logs shows some problems with your submission code. Please check and see if you can resolve this yourself.

Regards,

Yixu Chen

---

[2025-09-02 17:45:02] INFO Starting a new decoding job for submission 808

[2025-09-02 17:45:02] DEBUG Connecting to SQL database

[2025-09-02 17:45:02] INFO Obtaining submission

[2025-09-02 17:45:02] INFO Submission 808 status set to DECODING

[2025-09-02 17:45:02] INFO Work directory: /var/lib/containers/submissions/image_0_075_valid_clic2025

[2025-09-02 17:45:02] INFO Using buckets - Submissions: clic-submissions-clic2025, Environments: clic-environments-clic2025

[2025-09-02 17:45:02] DEBUG Copying submission files

[2025-09-02 17:45:04] DEBUG Successfully synced 2 files from s3://clic-submissions-clic2025/static/image_0_075/valid/clic2025/808/ to /var/lib/containers/submissions/image_0_075_valid_clic2025

[2025-09-02 17:45:04] INFO Found decoder zip file: decoder.zip

[2025-09-02 17:45:04] INFO Unzipping decoder

[2025-09-02 17:45:07] INFO Successfully extracted decoder zip file

[2025-09-02 17:45:07] INFO Executable path: /var/lib/containers/submissions/image_0_075_valid_clic2025/decode

[2025-09-02 17:45:07] INFO Files in work_dir directory: ['bs.zip', 'decoder.zip', 'BK-SDM', 'decode', '__MACOSX', 'requirements.txt', 'unzip.py']

[2025-09-02 17:45:07] INFO Set execute permissions on decoder

[2025-09-02 17:45:07] INFO Logging into ECR

[2025-09-02 17:45:07] INFO Successfully logged into ECR registry: 800102672637.dkr.ecr.us-east-1.amazonaws.com

[2025-09-02 17:45:07] INFO Pulling image from ECR: 800102672637.dkr.ecr.us-east-1.amazonaws.com/compression:mapl_clic

[2025-09-02 17:45:08] INFO Successfully pulled user image

[2025-09-02 17:45:08] INFO Running decoder with command: podman run --network none --memory 12000m --memory-swap 12000m --cpus 2 --device nvidia.com/gpu=all --name image_0_075_valid_clic2025 -v /var/lib/containers/submissions/image_0_075_valid_clic2025:/home/image_0_075_valid_clic2025 -w /home/image_0_075_valid_clic2025 --entrypoint ./decode 800102672637.dkr.ecr.us-east-1.amazonaws.com/compression:mapl_clic

[2025-09-02 17:45:08] INFO Resource limits - Memory: 12000MB, CPU: 2, Timeout: 18000s

[2025-09-02 17:45:08] INFO Using GPU container configuration

NGC-DL-CONTAINER-LICENSE

bin

boot

dev

etc

home

lib

lib64

media

mnt

opt

proc

root

run

sbin

srv

sys

tmp

usr

var

BK-SDM

__MACOSX

bs.zip

decode

decoder.zip

requirements.txt

unzip.py

image_0_075_valid_clic2025

ubuntu

Checking extracted files...

total 752

drwxr-xr-x. 2 root root 16384 Sep 2 17:45 .

drwxr-xr-x. 6 root root 16384 Sep 2 17:45 ..

-rw-r--r--. 1 root root 6339 Sep 2 17:45 097cb426910ba8ce2525dd8bb7fb1777.pt

-rw-r--r--. 1 root root 21571 Sep 2 17:45 0c49a5cce349020bbba2f97ae41e90ba.pt

-rw-r--r--. 1 root root 15555 Sep 2 17:45 100a02c269c5948392f283b2aa3bb4da.pt

-rw-r--r--. 1 root root 5251 Sep 2 17:45 100f17892cf7bb12beb12479641fcc4c.pt

-rw-r--r--. 1 root root 18691 Sep 2 17:45 11f2b039b293758398b1a7a8afa64bb2.pt

-rw-r--r--. 1 root root 24195 Sep 2 17:45 14ab4af28901fbeb1356b06d2d08ae06.pt

-rw-r--r--. 1 root root 119235 Sep 2 17:45 1e2f9d41529197f10d32bfa68a1e0bcc.pt

-rw-r--r--. 1 root root 15043 Sep 2 17:45 22ea12c903e41583b7c469cb86040157.pt

-rw-r--r--. 1 root root 9219 Sep 2 17:45 28d24b9c83de066597ff96a68769884f.pt

-rw-r--r--. 1 root root 9603 Sep 2 17:45 2a2420f929cd47122eae364a2bc27710.pt

-rw-r--r--. 1 root root 11075 Sep 2 17:45 2c1f84548ef99faec2b4f9bf12227c83.pt

-rw-r--r--. 1 root root 8707 Sep 2 17:45 3140d643a1f57e80ff265507984d95a0.pt

-rw-r--r--. 1 root root 33795 Sep 2 17:45 4a18abf66d65ad1a95ce455c8b6cd8de.pt

-rw-r--r--. 1 root root 32515 Sep 2 17:45 4cd6910a0b7b39365fda5df87618d091.pt

-rw-r--r--. 1 root root 39939 Sep 2 17:45 5dbdb989cf026f7ab3dd7167d7fc0fe2.pt

-rw-r--r--. 1 root root 19139 Sep 2 17:45 5e5ce43575fa67fdc0dd37146d7f479e.pt

-rw-r--r--. 1 root root 8131 Sep 2 17:45 60430844748882ff66b9a5598ef06dd6.pt

-rw-r--r--. 1 root root 19267 Sep 2 17:45 7e499613c3e376ea93afb3649719abeb.pt

-rw-r--r--. 1 root root 27075 Sep 2 17:45 870516c65d81fb9267de6865964083a9.pt

-rw-r--r--. 1 root root 11075 Sep 2 17:45 8bb119b8ca17492392e1e3ea4b811b32.pt

-rw-r--r--. 1 root root 7939 Sep 2 17:45 9466a908d088d32ee73f04116c40e48c.pt

-rw-r--r--. 1 root root 25475 Sep 2 17:45 a10ae819a2d24873079c93346200cab3.pt

-rw-r--r--. 1 root root 33411 Sep 2 17:45 a36713f1943dac6bc74dea50cadaee6f.pt

-rw-r--r--. 1 root root 10371 Sep 2 17:45 aed95e005df28e790519eefb6eb1e565.pt

-rw-r--r--. 1 root root 29443 Sep 2 17:45 afe3676bbfcf7183d697ff7b5d5bd45b.pt

-rw-r--r--. 1 root root 6467 Sep 2 17:45 b51d5fb537246482ef7a7ab63f093cab.pt

-rw-r--r--. 1 root root 23939 Sep 2 17:45 b939ac34faa94b5d0e753d570edc7048.pt

-rw-r--r--. 1 root root 26051 Sep 2 17:45 c80999cd5533e448167cd9b3ccfa2a37.pt

-rw-r--r--. 1 root root 13187 Sep 2 17:45 d1a9be98d1936065967adac50a6fb750.pt

-rw-r--r--. 1 root root 17795 Sep 2 17:45 d79d465ac77c36518e0f0d626bf97ec4.pt

-rw-r--r--. 1 root root 9731 Sep 2 17:45 ddcd24d99f48eaa369207882a6f37831.pt

-rw-r--r--. 1 root root 15619 Sep 2 17:45 ef576c4ed599d75d72145a8f34b58ccb.pt

-rw-r--r--. 1 root root 1712 Sep 2 17:45 extra_information.csv

Found config file: config.json

Config - bpp: 0.075, model: ../checkpoints/bk-sdm-v2-base, guidance_scale: 0, grad_term_weight: 0.2, mode: mpgd, use_captions: False

Working directory: /home/image_0_075_valid_clic2025/temp

Captions disabled in config

/usr/local/lib/python3.10/dist-packages/wandb/sdk/launch/builder/build.py:11: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.

import pkg_resources

/usr/local/lib/python3.10/dist-packages/timm/models/layers/__init__.py:48: FutureWarning: Importing from timm.models.layers is deprecated, please import via timm.layers

warnings.warn(f"Importing from {__name__} is deprecated, please import via timm.layers", FutureWarning)

/usr/local/lib/python3.10/dist-packages/diffusers/utils/outputs.py:63: FutureWarning: `torch.utils._pytree._register_pytree_node` is deprecated. Please use `torch.utils._pytree.register_pytree_node` instead.

torch.utils._pytree._register_pytree_node(

╭───────────────────── Traceback (most recent call last) ──────────────────────╮

│ /home/image_0_075_valid_clic2025/BK-SDM/src/denim_for_submission.py:240 in │

│ <module> │

│ │

│ 237 │ │ transforms.ToTensor() │

│ 238 │ ]) │

│ 239 │ │

│ ❱ 240 │ pipe1 = StableDiffusionNCPipeline.from_pretrained( │

│ 241 │ │ args.model_path, │

│ 242 │ │ torch_dtype=torch.float16, │

│ 243 │ ) │

│ │

│ /usr/local/lib/python3.10/dist-packages/diffusers/pipelines/pipeline_utils.p │

│ y:1086 in from_pretrained │

│ │

│ 1083 │ │ # use snapshot download here to get it working from from_pret │

│ 1084 │ │ if not os.path.isdir(pretrained_model_name_or_path): │

│ 1085 │ │ │ if pretrained_model_name_or_path.count("/") > 1: │

│ ❱ 1086 │ │ │ │ raise ValueError( │

│ 1087 │ │ │ │ │ f'The provided pretrained_model_name_or_path "{pr │

│ 1088 │ │ │ │ │ " is neither a valid local path nor a valid repo │

│ 1089 │ │ │ │ ) │

╰──────────────────────────────────────────────────────────────────────────────╯

ValueError: The provided pretrained_model_name_or_path

"../checkpoints/bk-sdm-v2-base" is neither a valid local path nor a valid repo

id. Please check the parameter.

Error: No output images found in /home/image_0_075_valid_clic2025/temp/results/out

Final results:

ls: cannot access 'images/*.png': No such file or directory

[2025-09-02 17:45:19] ERROR The decoder failed with exit code 2

[2025-09-02 17:45:19] ERROR Check the decoder logs below for more details about the failure

[2025-09-02 17:45:19] DEBUG Full error: Command '['podman', 'run', '--network', 'none', '--memory', '12000m', '--memory-swap', '12000m', '--cpus', '2', '--device', 'nvidia.com/gpu=all', '--name', 'image_0_075_valid_clic2025', '-v', '/var/lib/containers/submissions/image_0_075_valid_clic2025:/home/image_0_075_valid_clic2025', '-w', '/home/image_0_075_valid_clic2025', '--entrypoint', './decode', '800102672637.dkr.ecr.us-east-1.amazonaws.com/compression:mapl_clic']' returned non-zero exit status 2.

[2025-09-02 17:45:28] DEBUG Successfully synced 55 files from /var/lib/containers/submissions/image_0_075_valid_clic2025 to s3://clic-submissions-clic2025/static/image_0_075/valid/clic2025/808/

[2025-09-02 17:45:28] INFO Successfully synced results back to S3

[2025-09-02 17:45:28] INFO Cleanup completed

[2025-09-02 17:45:53] ERROR Unable to retrieve logs

From: clic...@googlegroups.com <clic...@googlegroups.com> on behalf of Hiroshi Hiko <axzzre...@gmail.com>
Date: Tuesday, September 2, 2025 at 5:24 AM
To: Lucas Theis <lu...@mabyduck.com>
Cc: Challenge on Learned Image Compression (CLIC) <clic...@googlegroups.com>
Subject: RE: [EXTERNAL] Server Error (500)

CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you can confirm the sender and know the content is safe.

To view this discussion visit https://groups.google.com/d/msgid/clic-list/CAGWPBSEoUVXp4B7XAfEwxf9S2Oz6M1o9zVi2-G0xatgVjQO89w%40mail.gmail.com.

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Hiroshi Hiko

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Sep 2, 2025, 2:37:56 PMSep 2

to Chen, Yixu, Lucas Theis, Challenge on Learned Image Compression (CLIC)

Hi Yi Xu, thanks for your reply.

Submission 789 is the dummy version I mentioned earlier—it contains no checkpoints and was successfully uploaded. The server error (500) occurs when I try to submit the full version. Since the upload fails immediately, no submission ID is generated.

It might be worth checking if the server cache or handling limits are affecting large file uploads.

I've attached the screenshot of the error and the decoder file I tried to submit for you to look over.

screen recording

decoder.zip

Chen, Yixu <yix...@amazon.com> 於 2025年9月3日週三上午1:48寫道：

Chen, Yixu

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Sep 2, 2025, 6:11:30 PMSep 2

to Hiroshi Hiko, Lucas Theis, Challenge on Learned Image Compression (CLIC)

Attachment protected by Amazon:
log.txt

Amazon has replaced the attachment in this email with a download link. Downloads will be available until October 02, 2025, 22:11 (UTC+00:00). Tell us what you think

For more information click here

Hi Hiroshi,

It seems your decoder size exceeds the server SQL INT size limit. I’ve updated the DB size INT type to accommodate bigger number. Please find the success log attached. You can resubmit your solution. Thanks for participating.

Regards,

Yixu Chen

Kris

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Sep 5, 2025, 6:51:31 AMSep 5

to Challenge on Learned Image Compression (CLIC)

Hi, thanks for your reply.

Team name: NYCU_MAPL
The submission was not successful, so a submission ID hasn't generated.

Thanks again!

lu...@mabyduck.com 在 2025年9月2日星期二晚上7:54:49 [UTC+8] 的信中寫道：

Kris

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Sep 5, 2025, 6:51:34 AMSep 5

to Challenge on Learned Image Compression (CLIC)

Hi Yi Xu, thanks for your reply.

Submission 789 is the dummy version I mentioned earlier—it contains no checkpoints and was successfully uploaded.

The server error (500) occurs when I try to submit the full version. Since the upload fails immediately, no submission ID is generated.

It might be worth checking if the server cache or handling limits are affecting large file uploads.

I've attached the screen recording of the error and the decoder file I tried to submit for your review.

Best regards,

Kris

Screen Recording
decoder.zip

yix...@amazon.com 在 2025年9月3日星期三凌晨1:48:17 [UTC+8] 的信中寫道：

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