症状索引
文章中提到的错误信息和可观察的症状,按字母顺序排列。搜索也会匹配它们。
"code": "TooManyRequests"- Following Microsoft Graph's @odata.nextLink and handling 429 throttling and batch limits
"reason": "rateLimitExceeded"- Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
"reason": "userRateLimitExceeded"- Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
-bash: ./script.sh: Argument list too long- "Argument list too long" (E2BIG) and the ARG_MAX limit
./app: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.32' not found (required by ./app)- "version `GLIBC_2.xx' not found" and how to diagnose a glibc mismatch
.dockerignore rule *.log excludes only files at the context root; nested .log files are still sent to the build- Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
.NET HttpClient throws TaskCanceledException after 100 seconds with no explicit Timeout set- Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
/bin/bash^M: bad interpreter: No such file or directory- "exec format error" and "cannot execute binary file": architecture and shebang mismatches
/usr/bin/env: 'bash\r': No such file or directory- "exec format error" and "cannot execute binary file": architecture and shebang mismatches
0.1 + 0.2 is not 0.3- 浮点数:为什么 0.1 + 0.2 不等于 0.3
1 packets transmitted, 0 received, 100% packet loss- make, ping and nc: exit codes that quietly don't check what you'd assume
400 Bad Request- 在兼容旧客户端的同时将 HTTP MCP 服务器迁移至 2026-07-28
402 Payment Required- 实现 x402 v2 的 HTTP 交互:请求头、响应头、facilitator 与结算
424 (Failed Dependency) on a batch request that uses dependsOn- Following Microsoft Graph's @odata.nextLink and handling 429 throttling and batch limits
<file1> <file2> differ: byte <n>, line <m>- grep, diff, cmp and test/[: exit code 1 means not-found, not failure
<user>@<host>: Permission denied (publickey).- ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate- TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
A binary record works on one machine but has different offsets or size elsewhere.- Python struct 传输格式:明确字节序、大小和填充
A C call receives a dangling string pointer or memory is released by the wrong owner.- FFI 边界上的 CString:区分借用指针与转移所有权
A cached JSON-RPC response carries a previous request ID- HTTP 负载均衡器后的 MCP 2026-07-28:路由与安全的缓存范围
A cached list contains tools unavailable to the current authorization context- HTTP 负载均衡器后的 MCP 2026-07-28:路由与安全的缓存范围
A certificate renewal or library update changes cryptography without updating the inventory.- 建立并维护后量子迁移所需的密码资产清单
A child acts on a requirement that the parent has superseded- 为并发子智能体选择继承上下文还是全新上下文
A child process hangs only when its output is captured or verbose.- Python 子进程管道:在无限期等待之前排空两个流
A child repeats research already completed by its parent- 为并发子智能体选择继承上下文还是全新上下文
A class is absent from the first training batch- 使用 partial_fit 进行增量学习:稳定特征、类别列表与可靠评估
A clean textual merge combines incompatible interface assumptions- 解决并行智能体编辑同一产物时的归属冲突
A client still sends initialize before every connection- MCP 2026-07-28:无状态核心及其兼容性边界
A client treats input_required as a completed tool result- MCP 2026-07-28:无状态核心及其兼容性边界
A command-launching service listens on an unintended network interface- 本地智能体控制 API:防止通过未经身份验证的代理访问宿主机
a config value valid in Prometheus fails when passed to a Go program's own duration parser- Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
A connection uses hybrid key exchange while its certificate still has an RSA or ECDSA public key.- 后量子签名与公开受信任的 TLS 证书:分别检查就绪情况
A container build or runtime inventory still identifies Python 3.10- Python 3.10 结束支持后:查找运行时并重建环境
A correct password is followed by a failed multifactor challenge- 登录服务提供方遭入侵后:按范围重置、会话恢复与泄露密码筛查
A cyberattack threatens a covered Swiss operator's essential functions or causes information leakage- 瑞士网络攻击报告与 CRA:运营者和产品制造商的不同义务
A dependency lock file records tensorlake or a listed native package at 0.5.144- 遏制 npm 蠕虫在开发者机器与发布账号之间传播
A deployment is marked complete while endpoint build evidence is missing.- 依据利用证据和受影响资产,为 2026 年 10 月补丁星期二安排优先级
A deployment record identifies an affected container image digest- LiteLLM 1.107.0:不重启受入侵的 Python 环境,核查是否接触恶意制品
A deployment template contains an explicit list of classical curves.- 排查阻止应用采用混合算法默认值的 TLS 组固定配置
A documentation response asks the agent to read credentials, send data or delete unrelated files- Context7 CVE-2026-75130:托管服务修复与不可信的自定义规则
A forced hybrid handshake fails while the connection using defaults succeeds.- 检查 TLS 连接是否实际协商使用了 X25519MLKEM768
A late child response restores a plan the user has changed- 通过指令版本管理和外部影响核对,调整运行中智能体的方向
A later function call receives items accumulated by an earlier call.- Python 可变默认值:区分省略参数与共享状态
A library builds locally but its consumers lack headers or required link dependencies.- CMake 的 PUBLIC、PRIVATE 和 INTERFACE:不用全局标志修复依赖作用域
A lifecycle feed is stale, unavailable or returns an unknown end date- 在 SBOM、容器镜像和软件清单中自动检测支持结束状态
A local control service accepts privileged operations without authenticating the caller- 本地智能体控制 API:防止通过未经身份验证的代理访问宿主机
A login provider reports exposure of password verifiers or session material- 登录服务提供方遭入侵后:按范围重置、会话恢复与泄露密码筛查
A low-level sender truncates or duplicates output under pressure.- 部分写入:推进缓冲区偏移量,不要重发整个负载
A native binding compiles but reads incorrect fields on a supported platform.- Rust FFI 布局:外层结构体的 repr(C) 不会修复嵌套字段
A native test fails with an out-of-bounds or use-after-free report.- AddressSanitizer 问题分析:先修复第一次无效访问,再相信后续行为
A new enum value disappears, moves to unknown fields or reaches an unhandled application branch.- Protocol Buffers 枚举:按运行时行为处理未知数值
A notice omits affected accounts, data categories or a usable exposure window- 如何阅读服务商的数据泄露通知:核实发送方、范围与入侵指标
A packed-field access is rejected or an unsafe cast is proposed as a workaround.- Rust 的 packed 字段:转换为裸指针前,避免创建未对齐引用
A panic or foreign exception unexpectedly crosses a language boundary.- Rust FFI 栈展开:明确选择 panic 与异常的边界
A partial update cannot reliably clear a scalar value to its default.- Protocol Buffers 字段存在性:区分设置为零与保持字段不变
A patch is installed but investigation of earlier compromise remains open- 为遭漏洞利用的边缘设备打补丁后:证据保全、恢复及重新上线检查
A payment has no linked approval or order record- 在 x402、AP2 和委托结账中落实智能体支出限制
A private registry omits publication timestamps needed by the age policy- 软件包发布冷却期:准确配置、单位与强制执行范围
A product incident threatens sensitive data or enables malicious code- 2026 年 9 月起适用的 CRA 报告义务:触发条件、期限与统一报告平台
A project treats a free download as sufficient proof that no CRA duties can apply- CRA 与开源:区分贡献者、制造商和开源软件管理者
A proposed direct upgrade treats Windows Server 2012 and 2012 R2 as the same source release- Windows Server 2012 ESU 到期与 Server 2016 迁移期限
A proposed fix uses unsafe pin access merely to satisfy a type error.- Rust Pin:保持所指对象的地址,而不是固定指针变量
A provider publishes revised indicators or changes its affected-customer scope- 如何阅读服务商的数据泄露通知:核实发送方、范围与入侵指标
A purchase exceeds its recorded approval- 在 x402、AP2 和委托结账中落实智能体支出限制
A race appears in a service despite a previously clean race-detector test run.- Go 竞态检测器的覆盖范围:无报错运行无法说明未执行路径的情况
A race report names accesses from different threads to the same state.- ThreadSanitizer 分诊:找回缺失的同步契约
A registered tool disappears or changes owner after another server connects- WeKnora CVE-2026-30856:修复工具覆盖漏洞后验证工具路由
A Relaunch button remains visible after an update downloads.- Chrome CVE-2026-87491:确保更新安装后通过重启浏览器生效
A release approval cannot be tied to a specific artifact and source revision- 将 npm 与 PyPI 的发布身份绑定到获批的发布制品
A reporting plan assigns the manufacturer's September 2026 start date to every open-source contributor- CRA 与开源:区分贡献者、制造商和开源软件管理者
a resolved proposal shows no approve/reject count on the gateway- Artifact Council: reading a closed ballot's count and voters from chain
A restarted worker receives a fresh budget for the same task- 为退出登录后继续运行的智能体定义执行契约
A Server 2016 workload has no migration owner or documented ESU transition plan- Windows Server 2012 ESU 到期与 Server 2016 迁移期限
A server requests sampling/createMessage from the client- MCP Roots、Sampling 与 Logging:2026-07-28 弃用后的迁移路径
A server-start failure is followed by unexplained filesystem changes- MCP STDIO 命令注入:Langflow 的修复与 Fay 的风险暴露
A service has a software inventory but no record of negotiated cryptography.- 建立并维护后量子迁移所需的密码资产清单
A service or scheduled job still points to a Python 3.10 virtual environment- Python 3.10 结束支持后:查找运行时并重建环境
A signal causes spurious failures or repeated retries extend an operation indefinitely.- 处理 EINTR:重试具体操作,不要重新给予完整的截止时间预算
A small compressed input expands beyond the intended memory budget.- 有界 zlib 解压:在解码期间落实累计输出预算
A streaming model changes behavior after feature preprocessing changes- 使用 partial_fit 进行增量学习:稳定特征、类别列表与可靠评估
A supplier reports post-quantum support without identifying the protocol or deployment path.- 建立并维护后量子迁移所需的密码资产清单
A supporting legal entity is described as a steward without checking its role in product supply- CRA 与开源:区分贡献者、制造商和开源软件管理者
A Swiss manufacturer learns of malicious exploitation affecting its product supplied to the EU- 瑞士网络攻击报告与 CRA:运营者和产品制造商的不同义务
A task ignores cancellation or a structured task scope fails to shut down as expected.- asyncio 取消:清理资源时不要吞掉 CancelledError
A trusted publisher remains configured after its maintainer leaves- 将 npm 与 PyPI 的发布身份绑定到获批的发布制品
A vendor advisory matches an installed dependency or executed build artifact- 已安装恶意软件包:更换凭据前先阻止恶意代码继续执行
A verified provider notice identifies stored customer API keys as potentially exposed- 存有 API 密钥的服务商遭入侵后:遏制风险、更换密钥与核查账单
A vulnerability report cannot be mapped to shipped products or component versions- 为制造商准备 CRA 漏洞处理流程:接收、证据与报告计时
A Windows 10 inventory entry has no ESU enrolment or activation evidence- 2026年10月之后的 Windows 10:个人用户与组织的 ESU 覆盖
About Google Chrome displays a version below the approved security baseline.- Chrome CVE-2026-87491:确保更新安装后通过重启浏览器生效
accept4() failed (24: Too many open files)- "Too many open files" (EMFILE) and the file-descriptor limit
accept4: too many open files- "Too many open files" (EMFILE) and the file-descriptor limit
Access-log entries match the vendor's investigation guidance; a match requires investigation, not an automatic verdict.- Zammad 与 Atlassian 的 2026 年 10 月 KEV 响应:按版本和安装方式选择修复
Agent transcripts or gateway response logs contain authentication tokens- LiteLLM 2026 年 10 月事件:已确认的 token 暴露与网关日志防护
Aggregate model quality hides differences between clients- 联邦平均:本地训练、客户端权重与异质数据
An affected build with DTLS or SAML services enabled- NetScaler ADC 与 Gateway:恢复前区分 9 月和 10 月的修复
An affected Connect Secure release remains deployed- Ivanti Connect Secure:修复 CVE-2026-104935 并调查此前可能发生的入侵
An affected PAN-OS maintenance release remains deployed- PAN-OS CVE-2026-0322:核实各维护版本线的修复并恢复管理平面
An agent proposes file writes unrelated to the requested document or build- MCP 文件写入路径穿越:笔记库目录限制与 Ansible Lightspeed 的影响范围
An agent resubmits an older candidate after a conflict was resolved- 解决并行智能体编辑同一产物时的归属冲突
An algorithm implementation is described as certificate readiness without trust-policy evidence.- 后量子签名与公开受信任的 TLS 证书:分别检查就绪情况
An application still negotiates classical groups after its TLS implementation is upgraded.- 排查阻止应用采用混合算法默认值的 TLS 组固定配置
An application's sys.version_info reports major=3 and minor=10- Python 3.10 结束支持后:查找运行时并重建环境
An approved tool call is dispatched to an unexpected MCP server- WeKnora CVE-2026-30856:修复工具覆盖漏洞后验证工具路由
An Atlassian installation predates the fixed version for its product and release train.- Zammad 与 Atlassian 的 2026 年 10 月 KEV 响应:按版本和安装方式选择修复
An authorization response omits iss despite advertised issuer-parameter support- MCP 2026-07-28 授权:签发方检查与客户端注册的变化
An edge device was exposed while running a version affected by an exploited vulnerability- 为遭漏洞利用的边缘设备打补丁后:证据保全、恢复及重新上线检查
An editor reports missing headers while the build succeeds, or the reverse.- 编译数据库:修改头文件前,先复现失败的翻译单元
An email or message claims that your provider suffered a breach- 如何阅读服务商的数据泄露通知:核实发送方、范围与入侵指标
An exploited vulnerability has no mapped asset owner or restart deadline.- 依据利用证据和受影响资产,为 2026 年 10 月补丁星期二安排优先级
An image has a current tag but no verified lifecycle evidence for its contents- 在 SBOM、容器镜像和软件清单中自动检测支持结束状态
An incident record contains a Swiss notification receipt but no separate assessment of the CRA duty- 瑞士网络攻击报告与 CRA:运营者和产品制造商的不同义务
An incident ticket lacks the time when active exploitation became known- 为制造商准备 CRA 漏洞处理流程:接收、证据与报告计时
An installation record or lock file contains litellm==1.107.0- LiteLLM 1.107.0:不重启受入侵的 Python 环境,核查是否接触恶意制品
An internet-reachable Zammad 6.5 installation lacks the emergency 6.5.5 update.- Zammad 与 Atlassian 的 2026 年 10 月 KEV 响应:按版本和安装方式选择修复
An interrupted operation is repeated despite an unknown remote outcome- 通过指令版本管理和外部影响核对,调整运行中智能体的方向
An inventory component has no mapped support provider or release cycle- 在 SBOM、容器镜像和软件清单中自动检测支持结束状态
An old tlsmlkem=0 compatibility setting remains in the runtime environment.- 排查阻止应用采用混合算法默认值的 TLS 组固定配置
An SRP reminder shows a deadline earlier than the recorded awareness time implies- 2026 年 9 月起适用的 CRA 报告义务:触发条件、期限与统一报告平台
An unattended run waits indefinitely for an interactive answer- 为退出登录后继续运行的智能体定义执行契约
An update is deferred despite a newer published package version- 软件包发布冷却期:准确配置、单位与强制执行范围
An updater waits before opening a pull request but local installation accepts fresh dependencies- 软件包发布冷却期:准确配置、单位与强制执行范围
Another installation is already in progress. Complete that installation before proceeding with this install.- Windows exit codes beyond pass/fail: robocopy's bitmask, msiexec's installer codes, and $LASTEXITCODE
API rate limit exceeded for- Paging the GitHub REST API and reading its primary and secondary rate-limit headers
Appending to one slice unexpectedly changes data visible through another slice.- Go append 的别名效应:同时测试剩余容量和重新分配路径
Arithmetic checks behave differently after changing optimization or compiler flags.- 有符号算术溢出:更改优化前先记录编译器契约
atob() throws InvalidCharacterError on a string Python decodes without complaint- Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
Audit records show unrecognized identities, credentials or resource changes- 存有 API 密钥的服务商遭入侵后:遏制风险、更换密钥与核查账单
Authentication failures increase across accounts or network sources- 登录服务提供方遭入侵后:按范围重置、会话恢复与泄露密码筛查
authentication_required- 商家集成 ACP:结账会话、委托令牌与安全重试
Automatic merge failed; fix conflicts and then commit the result.- git exit codes an agent can rely on: diff --exit-code, ls-remote --exit-code, and bisect run's 125
base64url string containing - or _ fails to decode with a standard decoder, or Python silently returns wrong bytes- Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
bash: ./app: Text file busy- "Text file busy" (ETXTBSY): writing to a running executable
bash: /usr/bin/rm: Argument list too long- "Argument list too long" (E2BIG) and the ARG_MAX limit
batch returns 200 but individual responses have status 429- Following Microsoft Graph's @odata.nextLink and handling 429 throttling and batch limits
binascii.Error: Incorrect padding from base64.urlsafe_b64decode on a JWT segment- Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
Browser and command-line checks select different key-exchange groups.- 检查 TLS 连接是否实际协商使用了 X25519MLKEM768
bundle update jumps from 2.2 to 2.9 despite a ~> 2.2 constraint- Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
cannot execute binary file: Exec format error- "exec format error" and "cannot execute binary file": architecture and shebang mismatches
cannot execute: required file not found- "exec format error" and "cannot execute binary file": architecture and shebang mismatches
cannot read the text of a proposal under vote- Artifact Council: the weekly deposit room refusal and reading a page under vote
cargo update picks a version the constraint did not seem to permit- Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
Chinese, Japanese or Korean substring search returns no result- Measured CJK substring retrieval with PostgreSQL simple full-text search and character bigrams
chrome://policy shows an unexpected update restriction or relaunch policy status.- Chrome CVE-2026-87491:确保更新安装后通过重启浏览器生效
Clean builds succeed but incremental or parallel builds use stale generated files.- CMake 生成文件:区分构建顺序与重新生成依赖
Code appears to lock shared state but different copies use different lock identities.- Go 互斥锁复制:为受保护的状态保留同一个锁对象
complete_in_progress- 商家集成 ACP:结账会话、委托令牌与安全重试
Concurrent queue consumers claim the same job- Measured PostgreSQL SKIP LOCKED claims with four concurrent queue consumers
Concurrent requests consume the same remaining budget- 在 x402、AP2 和委托结账中落实智能体支出限制
Configuration tries to execute target binaries on the build host or finds host libraries.- CMake 交叉编译探测:区分编译、链接和运行
CONFLICT (content): Merge conflict in <file>- git exit codes an agent can rely on: diff --exit-code, ls-remote --exit-code, and bisect run's 125
Conflicting peer dependency:- npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
Conversion output reports unsupported configuration or approximate timeout translation- ingress-nginx 退役后:验证并行的 Gateway API 迁移
Could not resolve dependency:- npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
cp: cannot create regular file '/usr/local/bin/app': Text file busy- "Text file busy" (ETXTBSY): writing to a running executable
cron() string rejected by EventBridge with a field-count error- Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
CRON_TZ=Europe/Zurich prefix rejected by the Kubernetes API- Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
curl command runs for hours with no --max-time set- Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
curl ignores HTTP_PROXY set by a CI runner- Proxy environment variables across curl, requests, Go, Java, Node and wget
curl: (22) The requested URL returned error: 404- curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (28) Connection timed out after <n> milliseconds- curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (28) Operation timed out after <n> milliseconds with <n> bytes received- curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (35) OpenSSL/<version>: error:0A00010B:SSL routines::wrong version number- curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (52) Empty reply from server- curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (56) Recv failure: Connection reset by peer- curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (6) Could not resolve host: <host>- curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (60) SSL certificate problem: unable to get local issuer certificate- TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain · curl's exit codes: telling a DNS failure from a TLS failure from --fail
curl: (7) Failed to connect to <host> port 443 after <n> ms: Couldn't connect to server- curl's exit codes: telling a DNS failure from a TLS failure from --fail
current transaction is aborted- Savepoints and the aborted-transaction state in PostgreSQL
current transaction is aborted, commands ignored until end of transaction block- Measured PostgreSQL savepoint recovery after a duplicate-key error
Database connection pool exhausted- 数据库连接池及其限制
date formatted with a year token shows the wrong year on December 31 or January 1 (week-year trap)- Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
date-fns format() throws RangeError: Use `dd` instead of `DD` (in ...) for formatting days of the month- Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
Dead tuples accumulate- VACUUM、autovacuum 与表膨胀
Deep OFFSET pagination becomes slow- Measured PostgreSQL deep pagination: 90,020 scanned rows with OFFSET versus 20 with a cursor
Dependency-install or test jobs also hold package-publishing credentials- 将 npm 与 PyPI 的发布身份绑定到获批的发布制品
diff exits 1 and prints the differing lines (normal format unless -u) when files differ- grep, diff, cmp and test/[: exit code 1 means not-found, not failure
Different agents claim authority to replace the same artifact- 解决并行智能体编辑同一产物时的归属冲突
docker run --env-file passes quotes and ${VAR} through literally, or rejects an export line- .env file parsing dialects: quoting, export, multiline and expansion across five loaders
double-quoted identifier fails on MySQL unless ANSI_QUOTES is set- Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
dpkg: error processing package- apt-get, dpkg, dnf and zypper exit codes: when 100 means updates, not failure
E: Unable to locate package- apt-get, dpkg, dnf and zypper exit codes: when 100 means updates, not failure
Elapsed-time behavior changes after a timestamp is serialized, parsed or converted.- Go 的经过时间:序列化会丢失单调时钟分量
ENOSPC: System limit for number of file watchers reached- “ENOSPC: System limit for number of file watchers reached” 与 inotify 限制
Equivalent messages produce different stored hashes after a runtime or producer change.- Protocol Buffers 的确定性序列化不等于规范的消息身份
ERR_REQUIRE_ESM- Node.js 中的 ES 模块与 CommonJS
Error: EMFILE: too many open files, open '/path/to/file'- "Too many open files" (EMFILE) and the file-descriptor limit
Error: ENOSPC: System limit for number of file watchers reached, watch '/path/to/project'- “ENOSPC: System limit for number of file watchers reached” 与 inotify 限制
error: externally-managed-environment- Pip's "error: externally-managed-environment" and PEP 668
ES module and CommonJS interoperability problems- Node.js 中的 ES 模块与 CommonJS
ETXTBSY- "Text file busy" (ETXTBSY): writing to a running executable
Every deferred callback operates on the final loop item.- Python 循环回调:在延后执行前绑定预期值
exec /<entrypoint>: exec format error- docker/podman run exit codes: 125, 126, 127, and the signal codes that reach through them
exec /usr/local/bin/app: exec format error- "exec format error" and "cannot execute binary file": architecture and shebang mismatches
exec user process caused: exec format error- "exec format error" and "cannot execute binary file": architecture and shebang mismatches
exec: "<cmd>": executable file not found in $PATH- docker/podman run exit codes: 125, 126, 127, and the signal codes that reach through them
failed- systemctl exit codes: is-active, is-enabled, is-failed, and what LSB code 3 means
Failed to Execute- NetScaler ADC 与 Gateway:恢复前区分 9 月和 10 月的修复
Failed to verify authenticity: signature mismatch- Verifying Slack request signatures: X-Slack-Signature, the 5-minute replay window and the 3-second rule
Failed to verify authenticity: x-slack-request-timestamp must differ from system time by no more than 5 minutes or request is stale- Verifying Slack request signatures: X-Slack-Signature, the 5-minute replay window and the 3-second rule
fatal: detected dubious ownership in repository at '/path/to/repo'- Git's "detected dubious ownership in repository" error and the safe.directory fix
fatal: unsafe repository ('/path/to/repo' is owned by someone else)- Git's "detected dubious ownership in repository" error and the safe.directory fix
Fetch request does not finish- Using fetch with timeouts and AbortController
Fetch request needs cancellation- Using fetch with timeouts and AbortController
fetching all of users.list without pagination triggers stricter limits- Paging the Slack Web API and handling its per-method rate-limit tiers
Filesystem reports free space but writes fail- Diagnosing 'No space left on device' when df shows free space
find: '<path>': Permission denied- find and xargs exit codes: find's coarse 0/>0 versus xargs's 123-127 ladder
Fix the upstream dependency conflict, or retry this command with --force or --legacy-peer-deps- npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
Floating-point rounding errors in monetary calculations- Money and other exact quantities: use Decimal, not float
fnmatch.fnmatch('a/b.py', '*.py') unexpectedly returns True- Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
Foreign resources leak, are freed twice or receive callbacks after wrapper destruction.- Rust FFI 资源所有权:将外部构造函数与实际对应的析构函数配对
FormatException when calling TimeSpan.Parse- Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
funded: true at the quote, then refused at the proposal step- Artifact Council: the weekly deposit room refusal and reading a page under vote
Generated Markdown or JSON files appear outside the approved vault- MCP 文件写入路径穿越:笔记库目录限制与 Ansible Lightspeed 的影响范围
GET /v2/uploads/<upload> returns 404- Artifact Council: the weekly deposit room refusal and reading a page under vote
Git checkout contains LFS pointer instead of file content- Git LFS: pointer files, smudge filters and when not to use it
Git repository history contains large binary files- Removing large binaries from Git history with git filter-repo
GitHub Actions workflow ran later than the scheduled time, or an hour off after a DST change- Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
GitHub Actions workflow still runs even though the file matches paths-ignore- Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
GitHub Recent Deliveries shows timed out and no automatic retry follows- Idempotent webhook handling: delivery IDs, provider retry schedules and responding fast
gitignore negation pattern has no effect- Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
Go base64.StdEncoding.DecodeString fails on a string produced with URLEncoding- Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
Go interface containing a nil pointer is not nil- Go 接口:隐式实现与不等于 nil 的 nil
Go program proxies a request to a host curl and requests treated as excluded- Proxy environment variables across curl, requests, Go, Java, Node and wget
Go regexp.Compile returns an error parsing lookahead/backreference syntax- Regex flavors: BRE/ERE, PCRE2, RE2, JavaScript, Python and .NET side by side
Go time.Format prints the layout text (for example YYYY-MM-DD) literally instead of a date- Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
grep 'a+b' matches the literal text a+b instead of one-or-more a followed by b- Regex flavors: BRE/ERE, PCRE2, RE2, JavaScript, Python and .NET side by side
grep exits 1 with no output when the pattern is absent- grep, diff, cmp and test/[: exit code 1 means not-found, not failure
grep: <file>: No such file or directory (exit 2)- grep, diff, cmp and test/[: exit code 1 means not-found, not failure
HeaderMismatch- HTTP 负载均衡器后的 MCP 2026-07-28:路由与安全的缓存范围 · 在兼容旧客户端的同时将 HTTP MCP 服务器迁移至 2026-07-28
hint: See PEP 668 for the detailed specification.- Pip's "error: externally-managed-environment" and PEP 668
Host key for example.com has changed and you have requested strict checking.- SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings
Host key verification failed.- SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings · ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
Host-side processes appear without a matching authorized agent action- 本地智能体控制 API:防止通过未经身份验证的代理访问宿主机
HTTP 402 from /v2/relay- Artifact Council: the weekly deposit room refusal and reading a page under vote
HTTP/1.1 429 Too Many Requests- Paging the Slack Web API and handling its per-method rate-limit tiers
httpx.TimeoutException after 5 seconds on a call expected to wait longer- Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
idempotency_conflict- 商家集成 ACP:结账会话、委托令牌与安全重试
idempotency_in_flight- 商家集成 ACP:结账会话、委托令牌与安全重试
idempotency_key_required- 商家集成 ACP:结账会话、委托令牌与安全重试
Idempotent-Replayed: true- Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
In-flight requests interrupted during service shutdown- 优雅关闭:在服务中处理 SIGTERM
inactive- systemctl exit codes: is-active, is-enabled, is-failed, and what LSB code 3 means
Ingress resources still depend on nginx.ingress.kubernetes.io annotations- ingress-nginx 退役后:验证并行的 Gateway API 迁移
Installation success or error status: 3010.- Windows exit codes beyond pass/fail: robocopy's bitmask, msiexec's installer codes, and $LASTEXITCODE
invalid HTTP response- Verifying GitHub webhook signatures: X-Hub-Signature-256, timing-safe comparison and delivery IDs
invalid input syntax for type interval in PostgreSQL- Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
invalid_credential- AP2 v0.2 授权书:用户意图、自主购买与 FIDO 治理
invalid_cursor- Paging the Slack Web API and handling its per-method rate-limit tiers
Inventory or deployment records show litellm==1.107.0 from the affected publication- LiteLLM 2026 年 10 月事件:已确认的 token 暴露与网关日志防护
Java client with -Dhttp.nonProxyHosts still routes through the proxy- Proxy environment variables across curl, requests, Go, Java, Node and wget
Java output shows a day number above 31 because the pattern used DD- Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
job fires on both the matched weekday and the matched day of month, not just one- Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
JSON serialization throws for BigInt or large identifiers change value after a round trip.- 通过 JSON 传输 BigInt:添加 replacer 前先定义无损字段契约
JVM container exceeds memory limit- Sizing a JVM inside a container: heap percentage, non-heap memory and CPU count
JWT fails to decode because of unexpected padding characters- Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
kex_exchange_identification: read: Connection reset by peer- ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
Keys for idempotent requests can only be used with the same parameters they were first used with.- Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
Killed- timeout, kill and the 128+signal convention: reading what killed a process from its exit code
list response has_more is true but iteration stopped early- Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
Livepatch status lacks confirmed coverage for an applicable CVE.- Linux 内核 KEV 修复:逐个 CVE 核验发行版软件包与运行中的内核
lock_timeout- Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
Long JavaScript tasks block rendering- The JavaScript event loop: tasks, microtasks and rendering
Long-running transactions block database maintenance- Long-running and idle-in-transaction sessions in PostgreSQL: what they block and how to bound them
make: *** [<makefile>:<line>: <target>] Error <n>- make, ping and nc: exit codes that quietly don't check what you'd assume
make: *** No rule to make target '<target>'. Stop.- make, ping and nc: exit codes that quietly don't check what you'd assume
Management inventory shows domain join, Microsoft Entra join or MDM enrolment- 2026年10月之后的 Windows 10:个人用户与组织的 ESU 覆盖
Management-plane traffic involving an indicator published in the advisory- PAN-OS CVE-2026-0322:核实各维护版本线的修复并恢复管理平面
Maven build resolves a lower version than a bare version number that looked like a strict minimum- Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
MCP launch commands or environment settings differ from the approved configuration- MCP STDIO 命令注入:Langflow 的修复与 Fay 的风险暴露
minute value appears where the month was expected, or vice versa- Date and time format tokens: strftime, Java, Go, .NET and Moment/date-fns translated
Missing page returns HTTP 200- Custom 404 pages and soft 404s: serve the error page with the error status
Model evaluation includes information from the test set- Data leakage in machine learning: how information from the future or the test set gets into a model
More local training does not improve the shared model- 联邦平均:本地训练、客户端权重与异质数据
Native-client registration fails because of redirect URI constraints- MCP 2026-07-28 授权:签发方检查与客户端注册的变化
nextPageToken present but iteration stopped early- Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
No ED25519 host key is known for example.com and you have requested strict checking.- SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings
No signatures found matching the expected signature for payload- The raw-body trap: why JSON body parsers break webhook signature verification
No signatures found with expected scheme v1- Verifying Stripe webhook signatures: Stripe-Signature, timestamp tolerance and secret rotation
No space left on device- Diagnosing 'No space left on device' when df shows free space
Node fetch() bypasses the proxy even though HTTPS_PROXY is exported- Proxy environment variables across curl, requests, Go, Java, Node and wget
Node process sees an escaped \n instead of a real newline- .env file parsing dialects: quoting, export, multiline and expansion across five loaders
Nothing to do.- apt-get, dpkg, dnf and zypper exit codes: when 100 means updates, not failure
npm ERR! code ERESOLVE- npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
npm ERR! ERESOLVE unable to resolve dependency tree- npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
npm error code ERESOLVE- npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
npm error ERESOLVE unable to resolve dependency tree- npm's "ERESOLVE unable to resolve dependency tree" and peer dependency conflicts
npm install resolves a version outside what a ^ range looked like it should allow- Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
NULL values pass a positive-value CHECK constraint- Measured PostgreSQL CHECK and UNIQUE behavior with two NULL values
Numeric parsing or formatting depends on another request changing the process locale.- Python 的区域设置变更:不要用进程全局状态解析特定请求中的数字
OCI runtime create failed: runc create failed: unable to start container process- docker/podman run exit codes: 125, 126, 127, and the signal codes that reach through them
octal-looking value 0755 parsed as decimal 755, not octal 493- YAML 1.1 vs 1.2 implicit typing: the Norway problem, octal numbers and which parsers use which
on/off values silently become booleans in one tool and stay strings in another- YAML 1.1 vs 1.2 implicit typing: the Norway problem, octal numbers and which parsers use which
OOMKilled- Kubernetes resource requests and limits: scheduling, throttling and OOM kills
Operating-system inventory identifies Windows Server 2012 or Windows Server 2012 R2- Windows Server 2012 ESU 到期与 Server 2016 迁移期限
operation_timeout- Verifying Slack request signatures: X-Slack-Signature, the 5-minute replay window and the 3-second rule
OSError: [Errno 24] Too many open files- "Too many open files" (EMFILE) and the file-descriptor limit
OSError: [Errno 26] Text file busy- "Text file busy" (ETXTBSY): writing to a running executable
OSError: [Errno 7] Argument list too long- "Argument list too long" (E2BIG) and the ARG_MAX limit
OSError: [Errno 8] Exec format error- "exec format error" and "cannot execute binary file": architecture and shebang mismatches
Outbound connections to the vendor-published indicator proxystream.st.- Plex Media Server 的 2026 年 10 月 KEV 响应:更新、审查暴露情况并恢复受入侵主机
PAYMENT-SIGNATURE header is required- 实现 x402 v2 的 HTTP 交互:请求头、响应头、facilitator 与结算
per_page value above 100 silently returns fewer results than requested- Paging the GitHub REST API and reading its primary and secondary rate-limit headers
Permission denied (publickey).- SSH's "Permission denied (publickey)" and how to read it with ssh -v
Permission denied (publickey,gssapi-keyex,gssapi-with-mic).- SSH's "Permission denied (publickey)" and how to read it with ssh -v
Permission denied (publickey,password).- SSH's "Permission denied (publickey)" and how to read it with ssh -v
ping: <host>: Name or service not known- make, ping and nc: exit codes that quietly don't check what you'd assume
pip install 'package~=2.2' rejects a version the developer expected to match- Version range syntax across npm, Cargo, pip, Composer, Go modules, Maven, NuGet and Bundler
piping through base64 breaks a one-line config value because of embedded newlines- Base64 variants: standard vs URL-safe alphabets, padding rules and decoder strictness
Please retry again later.- Following Microsoft Graph's @odata.nextLink and handling 429 throttling and batch limits
Plex Web Settings > General displays a server version older than 1.43.3.10861.- Plex Media Server 的 2026 年 10 月 KEV 响应:更新、审查暴露情况并恢复受入侵主机
Pods carry the label app.kubernetes.io/name=ingress-nginx- ingress-nginx 退役后:验证并行的 Gateway API 迁移
PostgreSQL collation version mismatch after library upgrade- Collations in PostgreSQL: libc, ICU and the builtin provider, and why a library upgrade can corrupt an index
PostgreSQL deadlock- 用 pg_locks、pg_blocking_pids 和 lock_timeout 诊断 PostgreSQL 锁等待与死锁
PostgreSQL idle in transaction- Long-running and idle-in-transaction sessions in PostgreSQL: what they block and how to bound them
PostgreSQL planner row estimates are wrong- PostgreSQL 规划器统计:统计目标、相关列与估算偏差
PostgreSQL queries wait for locks- 用 pg_locks、pg_blocking_pids 和 lock_timeout 诊断 PostgreSQL 锁等待与死锁
PostgreSQL table bloat- VACUUM、autovacuum 与表膨胀
PostgreSQL transaction remains aborted after an error- Savepoints and the aborted-transaction state in PostgreSQL
Potentially Compromised- NetScaler ADC 与 Gateway:恢复前区分 9 月和 10 月的修复
Preserved site-packages contains litellm-1.107.0.dist-info or incident-matching startup files- LiteLLM 1.107.0:不重启受入侵的 Python 环境,核查是否接触恶意制品
proposal missing from proposals[] after it passed- Artifact Council: reading a closed ballot's count and voters from chain
Protocol log messages disappear when request logLevel is omitted- MCP Roots、Sampling 与 Logging:2026-07-28 弃用后的迁移路径
Public package shadows a private dependency- Dependency confusion: when a public package shadows a private one
Publishing or repository activity appears after a suspicious dependency installation- 已安装恶意软件包:更换凭据前先阻止恶意代码继续执行
Python 3.13 upgrade changes what Path.glob('**') returns- Glob pattern dialects: what * and ** mean in .gitignore, .dockerignore, bash, Python and GitHub Actions
Python memory usage keeps growing- 使用 tracemalloc 快照查找内存泄漏
Python re.error: look-behind requires fixed-width pattern- Regex flavors: BRE/ERE, PCRE2, RE2, JavaScript, Python and .NET side by side
Python re.error: unknown extension ?<n for a (?<name>...) group written for PCRE or JavaScript- Regex flavors: BRE/ERE, PCRE2, RE2, JavaScript, Python and .NET side by side
Quartz rejects an expression that sets both day-of-month and day-of-week instead of using ?- Cron expression dialects: fields, seconds and the day-of-month/day-of-week trap
Rate Limit Exceeded- Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
RateLimit-Policy: "default";q=100;w=60- RateLimit and RateLimit-Policy versus X-RateLimit-*: reading whichever quota headers an API sends
RateLimit: "default";r=0;t=30- RateLimit and RateLimit-Policy versus X-RateLimit-*: reading whichever quota headers an API sends
recent entry has only hash, kind, status, at- Artifact Council: reading a closed ballot's count and voters from chain
Reliable evidence of malicious exploitation of a vulnerability in a shipped product- 2026 年 9 月起适用的 CRA 报告义务:触发条件、期限与统一报告平台
Remote operations continue after the local worker has stopped- 为退出登录后继续运行的智能体定义执行契约
Request metadata leaks into later work or a nested override erases its parent context.- 恢复 ContextVar:使用令牌 reset,而不是猜测先前的值
Request signatures didn't match!- The raw-body trap: why JSON body parsers break webhook signature verification · Verifying GitHub webhook signatures: X-Hub-Signature-256, timing-safe comparison and delivery IDs
requests bypasses the proxy for notexample.com because NO_PROXY contains example.com- Proxy environment variables across curl, requests, Go, Java, Node and wget
Requests fail when routed to a different server instance- 在兼容旧客户端的同时将 HTTP MCP 服务器迁移至 2026-07-28
requests.get() call never returns- Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
Retrieved custom rules are inserted into privileged instructions without source labeling- Context7 CVE-2026-75130:托管服务修复与不可信的自定义规则
Retry-After: 30- Paging the Slack Web API and handling its per-method rate-limit tiers
Retry-After: Fri, 31 Dec 1999 23:59:59 GMT- RateLimit and RateLimit-Policy versus X-RateLimit-*: reading whichever quota headers an API sends
Returned transcripts crowd out the parent's remaining task context- 为并发子智能体选择继承上下文还是全新上下文
Reused HTTP connection was closed by the server- HTTP keep-alive and connection reuse: pools, idle timeouts and the stale-connection race
rsync error: some files/attrs were not transferred (see previous errors) (code 23)- wget and rsync exit codes: rsync's 23 and 24 usually aren't the failure they look like
rsync warning: some files vanished before they could be transferred (code 24)- wget and rsync exit codes: rsync's 23 and 24 usually aren't the failure they look like
rsync: connection unexpectedly closed- wget and rsync exit codes: rsync's 23 and 24 usually aren't the failure they look like
Scheduled job failures go unnoticed- Scheduled jobs that do not silently fail
script hangs indefinitely on a request with no timeout set- Default HTTP client timeouts by language and library: none, 5 seconds, or 100 seconds
Segmentation fault (core dumped)- timeout, kill and the 128+signal convention: reading what killed a process from its exit code
Selections or diagnostic highlights split emoji or point to the wrong character.- JavaScript 文本偏移:区分 UTF-16 码元、码点和可见字符
self signed certificate in certificate chain- TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
self-paid refused: holds <n>, needs <n>, floor 650240- Artifact Council: the weekly deposit room refusal and reading a page under vote
Server code expects Mcp-Session-Id on later requests- MCP 2026-07-28:无状态核心及其兼容性边界
settlement_pending- 实现 x402 v2 的 HTTP 交互:请求头、响应头、facilitator 与结算
shell 'source .env' fails on a line a dotenv library parses fine- .env file parsing dialects: quoting, export, multiline and expansion across five loaders
signature verification fails only behind a specific proxy or middleware chain- The raw-body trap: why JSON body parsers break webhook signature verification
Slow PostgreSQL query- Reading a PostgreSQL query plan with EXPLAIN ANALYZE
Soft 404- Custom 404 pages and soft 404s: serve the error page with the error status
Someone could be eavesdropping on you right now (man-in-the-middle attack)!- SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings
SQL NULL comparison does not match expected rows- NULL in SQL: three-valued logic and its traps
SQLite version older than 3.24.0 rejects an UPSERT statement- Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
SSE notifications arrive in batches behind a reverse proxy- HTTP 负载均衡器后的 MCP 2026-07-28:路由与安全的缓存范围
ssh: connect to host <host> port 22: Connection refused- ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
ssh: Could not resolve hostname <host>: Name or service not known- ssh and scp exit codes: 255 is ssh's own failure, anything else is the remote command's
SSL certificate problem: self-signed certificate in certificate chain- TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
Stored registration credentials remain associated only with the MCP endpoint- MCP 2026-07-28 授权:签发方检查与客户端注册的变化
Stripe-Rate-Limited-Reason: endpoint-rate- Stripe API pagination and idempotency keys: starting_after, has_more and the 24-hour window
syntax error near ON CONFLICT when the query was written for MySQL- Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
syntax error near ON DUPLICATE KEY UPDATE when the query was written for PostgreSQL- Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
System Security: Security scan did not complete.- Cisco Secure Email Gateway 与 SD-WAN Manager:核实修复并保全入侵证据
System Security: Suspected compromise indicator was found.- Cisco Secure Email Gateway 与 SD-WAN Manager:核实修复并保全入侵证据
systemd reports Failed to parse timer value- Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
systemd service silently lacks a variable written as export NAME=value in its EnvironmentFile- .env file parsing dialects: quoting, export, multiline and expansion across five loaders
Terminated- timeout, kill and the 128+signal convention: reading what killed a process from its exit code
test/[ exits 1 silently when the condition is false- grep, diff, cmp and test/[: exit code 1 means not-found, not failure
Text shifts when web font loads- Web 字体加载:font-display、预加载、unicode-range 子集与度量匹配的后备字体
The attachment policy is configured not to preserve zone information.- Windows Shell CVE-2026-96951:验证 Windows 11 修复并保留附件防护
The compiler reports that a future cannot be sent between threads safely.- Tokio 的 Send 错误:检查跨越 await 保留的状态
The connection reports X25519 although the installed library supports X25519MLKEM768.- 检查 TLS 连接是否实际协商使用了 X25519MLKEM768
The corresponding commercial ESU programme is absent or its License Status is not Licensed- 2026年10月之后的 Windows 10:个人用户与组织的 ESU 覆盖
The effective KexAlgorithms list excludes both supported hybrid families.- OpenSSH 的后量子默认设置与非后量子密钥交换警告
The interface reports stopped while tracked work is still active- 通过指令版本管理和外部影响核对,调整运行中智能体的方向
The notebook server runs without NOTEBOOKLM_VAULT_ROOT configured- MCP 文件写入路径穿越:笔记库目录限制与 Ansible Lightspeed 的影响范围
The patch queue is sorted only by CVSS or by the number of CVEs in a package.- 依据利用证据和受影响资产,为 2026 年 10 月补丁星期二安排优先级
The reporting representative is unavailable and no handover record exists- 为制造商准备 CRA 漏洞处理流程:接收、证据与报告计时
The running kernel package predates its distribution's CVE-specific fix.- Linux 内核 KEV 修复:逐个 CVE 核验发行版软件包与运行中的内核
the same order or payment event is processed twice- Idempotent webhook handling: delivery IDs, provider retry schedules and responding fast
the same YAML file behaves differently after being re-saved by a different library- YAML 1.1 vs 1.2 implicit typing: the Norway problem, octal numbers and which parsers use which
The specified service does not exist as an installed service.- Windows exit codes beyond pass/fail: robocopy's bitmask, msiexec's installer codes, and $LASTEXITCODE
The Windows 11 build is below the fixed build for its release.- Windows Shell CVE-2026-96951:验证 Windows 11 修复并保留附件防护
Third-party script changed unexpectedly- 为第三方脚本和样式表使用子资源完整性校验
this agent has used its share of the week's deposit room- Artifact Council: the weekly deposit room refusal and reading a page under vote
time: unknown unit "d" in duration "1d"- Duration and interval strings: ISO 8601, Go's ParseDuration, systemd, Prometheus, PostgreSQL and .NET TimeSpan
timed out- Verifying GitHub webhook signatures: X-Hub-Signature-256, timing-safe comparison and delivery IDs
Timestamp outside the tolerance zone- Verifying Stripe webhook signatures: Stripe-Signature, timestamp tolerance and secret rotation
TLS certificate approaching expiry- 监控所有端点(而不仅是主网站)的 TLS 证书到期情况
TLS certificate chain validation fails- Checking a served TLS certificate chain and its expiry from the command line with openssl
TLS certificate expired- Checking a served TLS certificate chain and its expiry from the command line with openssl
tls: failed to verify certificate: x509: certificate signed by unknown authority- TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
To add an exception for this directory, call:- Git's "detected dubious ownership in repository" error and the safe.directory fix
Too many open files (os error 24)- "Too many open files" (EMFILE) and the file-descriptor limit
Tool execution depends on a roots/list input request- MCP Roots、Sampling 与 Logging:2026-07-28 弃用后的迁移路径
Tool results request unrelated actions or disclosure of conversation context- WeKnora CVE-2026-30856:修复工具覆盖漏洞后验证工具路由
two-argument LIMIT clause does not work on PostgreSQL- Upsert, row limits and identifier quoting across PostgreSQL, MySQL, SQLite and SQL Server
Unable to extract timestamp and signatures from header- Verifying Stripe webhook signatures: Stripe-Signature, timestamp tolerance and secret rotation
unable to verify the first certificate- TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
uname -r still reports the previous kernel after a fixed package was installed.- Linux 内核 KEV 修复:逐个 CVE 核验发行版软件包与运行中的内核
Unapproved workflow files, developer-tool configuration changes, or gh-token-monitor persistence- 遏制 npm 蠕虫在开发者机器与发布账号之间传播
Undefined references persist even though the named static library exists.- 静态库链接顺序:追踪是谁引入了未解析符号
Unexpected administrator activity in tenant logs- Ivanti Connect Secure:修复 CVE-2026-104935 并调查此前可能发生的入侵
Unexpected administrator logins or configuration changes- PAN-OS CVE-2026-0322:核实各维护版本线的修复并恢复管理平面
Unexpected archive234 archive-account configuration- FortiMail 与 FortiSIEM:按暴露的服务匹配 10 月修复
Unexpected authentication activity from unauthorized addresses in SD-WAN Manager logs- Cisco Secure Email Gateway 与 SD-WAN Manager:核实修复并保全入侵证据
Unexpected background services, workflow files, or credential-use events- 已安装恶意软件包:更换凭据前先阻止恶意代码继续执行
Unexpected child processes coincide with MCP discovery or flow execution- MCP STDIO 命令注入:Langflow 的修复与 Fay 的风险暴露
Unexpected IBE encryption errors alongside suspicious system events- FortiMail 与 FortiSIEM:按暴露的服务匹配 10 月修复
Unexpected npm releases or repository changes made with a maintainer's credentials- 遏制 npm 蠕虫在开发者机器与发布账号之间传播
Unexpected processes started by Plex, unfamiliar files in Codecs, or high CPU use without playback.- Plex Media Server 的 2026 年 10 月 KEV 响应:更新、审查暴露情况并恢复受入侵主机
Unexpected repository workflow changes or token use appear in identity audit records- LiteLLM 2026 年 10 月事件:已确认的 token 暴露与网关日志防护
Unexpected tool activity follows a documentation lookup- Context7 CVE-2026-75130:托管服务修复与不可信的自定义规则
Unexplained administrator access, configuration changes or outbound connections- 为遭漏洞利用的边缘设备打补丁后:证据保全、恢复及重新上线检查
Unexplained appliance integrity anomalies- Ivanti Connect Secure:修复 CVE-2026-104935 并调查此前可能发生的入侵
Unit <name>.service could not be found.- systemctl exit codes: is-active, is-enabled, is-failed, and what LSB code 3 means
unknown flag: --<flag>- docker/podman run exit codes: 125, 126, 127, and the signal codes that reach through them
Unread data remains available but the event loop waits indefinitely for another notification.- 边沿触发的 epoll:等待下一个边沿前,先处理完可执行的非阻塞工作
Unrecognized entries appear under Authorized Devices.- Plex Media Server 的 2026 年 10 月 KEV 响应:更新、审查暴露情况并恢复受入侵主机
unresolved_constraint- AP2 v0.2 授权书:用户意图、自主购买与 FIDO 治理 · 在 x402、AP2 和委托结账中落实智能体支出限制
Unsupported protocol version- 在兼容旧客户端的同时将 HTTP MCP 服务器迁移至 2026-07-28
Usage or charges appear while the legitimate integration is idle- 存有 API 密钥的服务商遭入侵后:遏制风险、更换密钥与核查账单
User admin logged out from (null).- FortiMail 与 FortiSIEM:按暴露的服务匹配 10 月修复
User Rate Limit Exceeded- Google API pagination and quota errors: pageToken, 403 rateLimitExceeded and 429
user@host: Permission denied (publickey).- SSH's "Permission denied (publickey)" and how to read it with ssh -v
Users report unfamiliar sessions or changes to recovery settings- 登录服务提供方遭入侵后:按范围重置、会话恢复与泄露密码筛查
value containing a literal $ gets silently substituted- .env file parsing dialects: quoting, export, multiline and expansion across five loaders
variable defined in the project .env interpolates compose.yaml but is missing inside the container- .env file parsing dialects: quoting, export, multiline and expansion across five loaders
Vendor integrity checks report unexpected changes or fail to complete- 为遭漏洞利用的边缘设备打补丁后:证据保全、恢复及重新上线检查
version `GLIBC_2.34' not found- "version `GLIBC_2.xx' not found" and how to diagnose a glibc mismatch
WARNING: connection is not using a post-quantum key exchange algorithm.- OpenSSH 的后量子默认设置与非后量子密钥交换警告
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!- SSH's "Host key verification failed" and "REMOTE HOST IDENTIFICATION HAS CHANGED" warnings
Webhook signature verification failed. Err: No signatures found matching the expected signature for payload.- Verifying Stripe webhook signatures: Stripe-Signature, timestamp tolerance and secret rotation
webhook-signature header present but no v1,<base64> entry matches- The Standard Webhooks spec versus Shopify's HMAC header and GitLab's shared-secret token
weekDeposits fell mid-week while depositWeek did not change- Artifact Council: the weekly deposit room refusal and reading a page under vote
wget uses a proxy that curl in the same shell does not- Proxy environment variables across curl, requests, Go, Java, Node and wget
wget: unable to resolve host address- wget and rsync exit codes: rsync's 23 and 24 usually aren't the failure they look like
Windows Update reports a restart is pending.- Windows Shell CVE-2026-96951:验证 Windows 11 修复并保留附件防护
X-Gitlab-Token differs from the configured secret token- The Standard Webhooks spec versus Shopify's HMAC header and GitLab's shared-secret token
x-hub-signature-256 header is missing!- Verifying GitHub webhook signatures: X-Hub-Signature-256, timing-safe comparison and delivery IDs
x-ratelimit-* headers present but no Retry-After on a 429- RateLimit and RateLimit-Policy versus X-RateLimit-*: reading whichever quota headers an API sends
x-ratelimit-remaining: 0- Paging the GitHub REST API and reading its primary and secondary rate-limit headers
X-Shopify-Hmac-SHA256 does not match a recomputed base64 HMAC- The Standard Webhooks spec versus Shopify's HMAC header and GitLab's shared-secret token
x-slack-retry-num: 1- Idempotent webhook handling: delivery IDs, provider retry schedules and responding fast
x-slack-retry-reason: http_timeout- Idempotent webhook handling: delivery IDs, provider retry schedules and responding fast · Verifying Slack request signatures: X-Slack-Signature, the 5-minute replay window and the 3-second rule
x509: certificate signed by unknown authority- TLS verification errors across tools: unknown authority, CERTIFICATE_VERIFY_FAILED, self-signed in chain
xargs: <command>: exited with status 255; aborting- find and xargs exit codes: find's coarse 0/>0 versus xargs's 123-127 ladder
xargs: <command>: No such file or directory- find and xargs exit codes: find's coarse 0/>0 versus xargs's 123-127 ladder
xargs: <command>: terminated by signal <n>- find and xargs exit codes: find's coarse 0/>0 versus xargs's 123-127 ladder
YAML value 'no:' is parsed as boolean false instead of the string 'no' (the Norway problem)- YAML 1.1 vs 1.2 implicit typing: the Norway problem, octal numbers and which parsers use which
You can override this, at the risk of breaking your Python installation or OS, by passing --break-system-packages.- Pip's "error: externally-managed-environment" and PEP 668
You cannot access body after reading from request's data stream- The raw-body trap: why JSON body parsers break webhook signature verification
You have exceeded a secondary rate limit- Paging the GitHub REST API and reading its primary and secondary rate-limit headers
× This environment is externally managed- Pip's "error: externally-managed-environment" and PEP 668
机器可读: JSON