alibaba/nacos
Documented errors, page 3 of 6. Back to alibaba/nacos
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
502 No available server after | exception | critical | network, maintainer-client, retry, server-unavailable, connection-error, http-proxy |
| is not a JSON value | validation | error | ai-registry, agent, extensions, type-violation |
| Unsupported HTTP method | exception | error | validation, maintainer-client, http-proxy, http-method, illegal-argument |
| Unsupported import type | exception | error | mcp, import, validation, deprecated, illegal-argument |
| editingVersion and reviewingVersion must identify different… | validation | error | ai-agent, validation, version-info, consistency, illegal-argument |
| invalid PER_TASK_CONFIG_SIZE, expected value type double | validation | critical | configuration, client-init, static-initializer, config-client |
| Token endpoint not configured | exception | error | oidc, config, authentication, authorization-code, discovery |
| Online Agent Version must contain callInterfaces | validation | error | agent, ai-registry, validation, call-interfaces, online-version |
| Can't get batched data from single data. | exception | error | nacos, ai-client, agent-endpoint, type-mismatch, programming-error |
| Capturing patterns ( ) are not supported by the… | validation | error | antpathmatcher, uri-template, wildcard, resource-matching, validation |
| AgentResourceExt JSON must not be empty | validation | error | ai-registry, agent, deserialization, empty-input |
| Duplicate Endpoint source | validation | error | ai-agent, validation, endpoint, uniqueness, illegal-argument |
| fetchPageLimit error | validation | error | pagination, embedded-db, auth-plugin, derby, database-error, sql |
23000 Illegal state | http | warning | cluster, validation, node-state, api, bad-request |
| Expected an array of elements (or empty array) but received… | validation | warning | collections, varargs, null-check, utility |
| Invalid ZIP data: too short | validation | error | java, nacos, ai, skills, zip, validation |
| user not found! | exception | error | auth, ldap, validation, access-denied, java |
| Can't get single data from batched data. | exception | error | nacos, ai-client, agent-endpoint, type-mismatch, programming-error |
21007 specified service already exists! | validation | warning | naming, service-create, already-exists, validation |
| Failed to create skill well-known archive: " +… | exception | error | skill, server-error, archive, io, ai |
| latest label and versionCatalog.latestVersion must match | validation | error | ai-agent, validation, version-info, labels, consistency, illegal-argument |
| Invalid : exceeds | validation | error | ai-agent, validation, length-limit, optional-field |
| Unknown mimeType | validation | error | mcp, icon, jackson, enum, mime-type, deserialization |
| Invalid Version page metadata | validation | error | java, nacos, ai, agents, validation, pagination |
| onlineCnt must be a non-negative integer | validation | error | ai-agent, validation, version-info, illegal-argument |
WEIGHT_ERROR instance format invalid: The weights range from | validation | warning | validation, naming, instance, weight |
| MCP server not found in registry: + externalId | exception | error | ai-registry, mcp, not-found, importer |
| serverStatusSynchronizationPeriodMillis is too small(<15000) | validation | error | naming, switch, validation, distro-sync, misleading-message |
| the length of secret key must great than or equal 32 bytes… | validation | critical | auth, config, security, token, jwt |
| AgentResourceExt must contain one JSON value | validation | error | validation, ai-agent, json-schema, serialization |
NOT_FOUND Agent version not found. | exception | error | a2a, agent, not-found, version, config-query |
30000 Meta version missing | exception | critical | prompt, server-error, ai-registry, cas, data-integrity |
| must be an array | validation | error | validation, ai-agent, json-schema, serialization |
| transport must contain 1 to 64 letters, digits, +, or - | validation | warning | validation, agent, transport, regex, frontend |
| Agent tags exceeds persisted characters | validation | error | agent, ai-registry, validation, tags, size-limit |
| AgentVersionCatalog onlineVersions must be an array | validation | error | validation, ai-agent, json-schema, serialization |
| Invalid signature | exception | error | auth, jwt, security, signature |
| Invalid ZIP data: missing ZIP magic header (PK\x03\x04) | validation | error | java, nacos, ai, skills, zip, validation |
| onlineCnt must equal the number of onlineVersions entries | validation | error | ai-agent, validation, version-info, consistency, illegal-argument |
| Publisher does not start | exception | error | event-bus, notify-center, lifecycle, state |
| AiResourceStorage plugin is disabled: +… | exception | error | ai, storage, plugin, disabled, illegal-state |
| DatabaseDialect plugin is disabled: + databaseType + … | exception | error | plugin, datasource, dialect, disabled, illegal-state |
| Runtime Endpoint binding must be complete | validation | error | agent, ai-registry, rad-protocol, runtime-endpoint, version-binding |
| lock conflict | exception | error | disk, file-io, file-lock, concurrency, contention, client |
| no host to srv for serviceInfo | exception | error | naming, load-balancing, no-instances, service-discovery, illegal-state |
| Absolute path not allowed | exception | critical | java, nacos, ai, skills, security, path-traversal, zip |
| AgentResourceExt must not be null | validation | error | ai-registry, agent, null-check, validation |
| Cumulative Weight wrong , the array length is equal to 0. | exception | critical | naming, load-balancing, weight, chooser, client |
| File format invalid: not a valid OpenAPI or Swagger document | validation | error | openapi, swagger, typescript, validation, spec |
404 Skill not found in well-known index: + skillName | error_code | error | ai, skill, import, not-found, well-known |
| AgentVersionContent exceeds | validation | error | capacity, agent-version, storage, illegal-argument |
| Duplicate Runtime Endpoint | validation | error | agent, ai-registry, rad-protocol, runtime-endpoint, duplicate |
| Illegal Raft system parameters => ReadOnlyOption | validation | error | raft, jraft, configuration, validation, startup, cp-protocol |
| Stored Agent versionInfo must not be null | validation | critical | agent, ai-registry, data-integrity, version-info, deserialization |
| user ' ' already bound to the role ' '! | validation | info | auth, role, duplicate, idempotency |
| Invalid token format: | exception | error | oidc, jwt, validation, null-safety |
| providerName is required when providerUrl is set | validation | error | validation, provider, required-field, agent |
| Agent update input must not contain read-only projection… | validation | error | agent, ai-registry, validation, read-only-fields, agent-update |
| Duplicate protocol | validation | error | ai-agent, validation, protocols, uniqueness, illegal-argument |
| cannot be opened because it does not exist | exception | error | classpath, resource, io, filenotfound, packaging |
| Unable to serialize Agent Version storage descriptor | validation | error | serialization, agent-version, storage-descriptor, illegal-argument |
| Failed to delete | exception | error | java, nacos, ai, skills, filesystem, io, windows |
| Labels must not identify editing or reviewing Versions | validation | error | ai-agent, validation, version-info, labels, consistency, illegal-argument |
| Skill is required | validation | error | copilot, skill-optimize, java, validation, form |
| Agent draft request must not be null | validation | error | agent, null-check, illegal-argument, draft, create, programming-error |
| MCP server not found in registry | exception | error | mcp, registry, import, not-found, illegal-state |
SELECTOR_ERROR not match any type of selector! | validation | warning | validation, naming, selector, service |
| Unsupported nacos deployment type | exception | critical | bootstrap, startup, config, deployment, enum |
| Agent Version catalog must use descending Version order | validation | error | ai-registry, agent, version-catalog, ordering |
| Invalid URL | exception | error | mcp, registry, url-parsing, illegal-state |
SERVICE_NOT_EXIST service is not exist. | http | warning | naming, service, not-found, console |
| exceeds Unicode code points | validation | error | ai-registry, agent, text-length, validation |
| min default cache time is too small(<1000) | validation | error | naming, switch, validation, cache-millis |
| no available server, currentServerAddr | exception | critical | network, config, http-post, client, timeout |
20005 Meta update conflict, retry | exception | error | ai-registry, conflict, cas, concurrency, retry |
| agentCard must be a JSON object | validation | warning | validation, agent, a2a, agent-card, frontend |
DATA_EMPTY File is required | validation | error | skill, file-upload, data-empty, multipart |
| HTTP + result.getStatusCode() + when fetching +… | http | error | ai-registry, skill, network, http, importer |
| listener is null | validation | error | config, listener, validation, client |
| authorization failed! | exception | error | auth, authorization, permission, access-exception, rbac |
| Cannot convert String | validation | error | configuration, type-conversion, validation, long |
| must be a JSON object | validation | warning | validation, agent, extensions, json, frontend |
| Do not support persistent instances to perform batch… | exception | error | naming, http-proxy, batch-register, unsupported, client |
| Unknown Agent Version storage descriptor field | validation | error | java, nacos, ai-agent, validation, json, schema, storage-descriptor |
| Agent Version must not contain read-only projection fields | validation | error | agent, ai-registry, validation, read-only-fields, online-version |
| Cannot convert String | validation | error | configuration, type-conversion, validation, integer |
| Can't parse out 'groupName',but it must not be null! | validation | error | naming, parsing, service-key, defensive |
| contains a non-string JSON object key | validation | error | ai-registry, agent, extensions, type-violation |
| invalid tenant | validation | error | config, validation, tenant, namespace, v1, illegal-argument |
21008 service not found! | validation | error | naming, service-update, not-exist, validation |
| ASM ClassReader failed to parse class file - probably due… | exception | error | classpath, asm, package-scan, jdk-version |
| Plugin config value is not a boolean | validation | error | auth, ldap, config, validation, boolean, illegal-argument, java |
| Agent Version status must be online | validation | error | agent, ai-registry, validation, version-status, online-version |
| AgentCard interface must be a JSON object | validation | error | validation, agentcard, a2a, interface |
| Agent draft must contain either callInterfaces or… | validation | error | agent-admin, validation, draft, xor-constraint |
| Do not support subscribe service by UDP, please use gRPC… | exception | error | naming, http-proxy, subscribe, unsupported, client |
| MCP server external id is blank | validation | error | ai-registry, mcp, validation, importer |
| must contain only strings | validation | error | validation, ai-agent, json-schema, serialization |
| NacosTypeReference must be created with generic type… | validation | error | json, generics, reflection, constructor |
| Plugin config value must be positive: + key | validation | error | config, validation, token |