ErrLookup › eclipse-vertx/vert.x
eclipse-vertx/vert.x
Vert.x is a tool-kit for building reactive applications on the JVM · Java · 778 source files
Analyzed at fb308bd8c3 on 2026-09-06. 340 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| a header name cannot contain non-ASCII character: | validation | error | http, headers, validation, vertx-core |
| 408 Request Timeout | http | warning | http, timeout, client, vertx |
| blockedThreadCheckInterval must be > 0 | validation | error | vertx, configuration, options-validation |
| + > | exception | error | vertx, buffer, bounds-check, binary-parsing |
| Nesting more than two levels is not supported | exception | error | file-system, jar-nesting, classpath, fat-jar |
| size must be > 0 | validation | info | http, status-code, expectation, vertx-core |
| 421 Misdirected Request | http | error | http, http2, routing, vertx-http-client |
| Expected an ISO 8601 formatted date time | exception | error | java, json, date-parsing, iso8601 |
| maxWorkerpExecuteTime must be > 0 | validation | error | vertx, configuration, worker-pool, options-validation |
| Mapping | exception | error | java, json, encoding, classpath, databind |
| Same deployable supplied more than once | exception | error | deployment, verticle, supplier, duplicate-instance |
| Invalid DER: can't parse primitive entity | exception | error | der, asn1, primitive, constructed, key-format |
| Domain sockets require JDK 16 and above, or the usage of a… | exception | error | domain-sockets, transport, unix-socket, platform |
| Expected a base64 encoded byte array | exception | error | json, base64, deserialization, jackson |
| a header name cannot contain some prohibited characters… | validation | error | http, headers, validation, token-characters |
| contentLength must be >= 0 | validation | error | http, content-length, validation, vertx-core |
| workerPoolSize must be > 0 | validation | warning | json, jackson, system-properties, configuration |
| Resource manager shutdown | exception | error | lifecycle, shutdown, resource-manager, illegal-state |
| HTTP/1.x connections don't support SETTINGS | exception | error | http, http2, http1, unsupported-operation, vertx-core |
| Protocol version not supported. | exception | error | websocket, handshake, protocol-version |
| Failed to unpack | exception | error | file-system, io, jar, unpack |
| 409 Conflict | http | error | http, conflict, state, vertx |
| Invalid configuration | exception | error | ssl, tls, configuration, invalid-state |
| No message codec for type: | exception | error | |
| warningExceptionTime must be > 0 | validation | error | vertx, configuration, blocked-thread-checker, options-validation |
| maxEventLoopExecuteTime must be > 0 | validation | error | vertx, configuration, event-loop, options-validation |
| Invalid tag index | exception | warning | tracing, tags, index-out-of-bounds |
| hostsRefreshPeriod must be >= 0 | exception | error | vertx, dns, configuration, address-resolver |
| cacheMinTimeToLive must be >= 0 | exception | error | vertx, dns, cache, configuration |
| 500 Internal Server Error | http | critical | http, server-error, sendfile, vertx-http-server |
| quorumSize should be >= 1 | validation | error | vertx, cluster, ha, configuration |
| Failed to initialize the keystore | exception | error | jvm, keystore, ssl, provider |
| Read only | exception | error | http, headers, immutable-state |
| 412 Precondition Failed | http | error | http, precondition, etag, concurrency |
| Failed to chmod | exception | error | filesystem, chmod, posix, io |
| Cannot be called on a Vert.x worker thread / Cannot be… | exception | error | threading, execute-blocking, worker-pool, event-loop |
| Cannot truncate file to size < 0 | exception | error | file-system, truncate, validation, argument |
| 413 Request Entity Too Large | http | error | http, payload-too-large, upload, limit |
| Unexpected trailing token | exception | error | java, json, decoding, ndjson |
| Cannot determine EC parameter spec for curve name/OID | exception | error | ec, curve, jca |
| Invalid url: | exception | error | url, http-client, malformed-url |
| 416 Requested Range Not Satisfiable | http | warning | http, range, download, offset |
| Failed to decode: | exception | error | json, decoding, jackson, codec |
| Expecting a stripesCount that is larger than 0 | exception | error | configuration, pool, jackson, internal |
| Size exceed allowed maximum capacity | exception | error | http, multipart, upload-limit |
| internalBlockingPoolSize must be > 0 | validation | error | vertx, configuration, thread-pool, options-validation |
| Not a streaming upload | exception | error | http, file-upload, illegal-state |
| Could not find network interface with name | exception | error | network, multicast, configuration, datagram |
| Failed to create subfolder of | exception | error | filesystem, temp-directory, io, tmpdir |
| This Java runtime does not support virtual threads | exception | error | jvm, virtual-threads, deployment, configuration |
| Default HTTP client version | validation | error | |
| Failed to copy to | exception | error | file-system, copy, io, nio |
| Given value: | exception | error | java, configuration, pool-sizing |
| 410 Gone | http | error | http, resource-not-found, deprecated, vertx |
| Class not allowed: | exception | error | eventbus, codec, deserialization, security, cluster |
| Unsupported algorithm identifier | exception | error | pem, private-key, der, unsupported-algorithm, tls |
| Cannot schedule a timer with delay < 1 ms | validation | error | timer, scheduling, argument-validation |
| ${ioe.getMessage()} | exception | error | vertx, json-parser, decode-exception, malformed-json |
| port out of range | exception | error | vertx, datagram, udp, port-validation |
| Missing :authority / host header | validation | error | http2, connect, missing-header, client |
| 415 Unsupported Media Type | http | error | http, content-type, media-type, serialization |
| The server must be configured with a token validation key… | validation | error | |
| Expecting the current parser token to be the start of an… | exception | error | java, json, decoding, parser-state |
| Failed to decode | exception | error | java, json, decoding, type-mismatch |
| ${e.getMessage()} | exception | error | vertx, json, decode-exception, databind |
| Cannot write an HTTP/2 frame over an HTTP/1.x connection | exception | error | http, http1, http2, protocol-mismatch |
| Cannot truncate file | exception | error | file-system, truncate, file-not-found |
| Invalid setting | validation | error | http, settings, illegal-argument |
| Illegal type in Json | exception | error | json, clone, type-error |
| only '\n' is allowed after '\r | validation | error | http, headers, validation, vertx |
| Accessed denied for chmod on | exception | error | file-system, chmod, permissions, posix |
| Failed to encode as JSON | exception | error | json, serialization, jackson, vertx-core |
| Failed to create | exception | error | filesystem, mkdir, directory, io |
| maxWebSockets must be > 0 or -1 (disabled) | validation | error | websocket, configuration, illegal-argument |
| Scheme: | validation | error | websocket, url, client |
| Invalid system property value, use instead | console | error | |
| Failed to analyse | exception | error | filesystem, file-props, io, file-not-found |
| Request has already been read | exception | error | http, request-body, illegal-state |
| WebSocket upgrade failure | http | error | |
| Cannot set connectHandler when server is listening | exception | error | vertx, net-server, illegal-state, lifecycle |
| 414 Request-URI Too Long | http | error | http, uri, query-string, limit |
| Cannot find service on the classpath or module path | exception | error | service-loader, spi, classpath, jpms, missing-dependency |
| Failed to move to | exception | error | file-system, move, rename, io |
| Can't register a system codec | exception | error | eventbus, codec, illegal-argument, system-codec |
| Failed to read | exception | error | filesystem, io, directory |
| Cannot find META-INF/services/ | exception | error | service-loader, classpath, spi, missing-dependency |
| Not connected | exception | error | |
| Cannot set exceptionHandler when server is listening | exception | error | vertx, net-server, illegal-state, lifecycle |
| Mapping is not available without Jackson Databind on the… | exception | error | |
| Invalid index | exception | error | |
| Missing private key path | exception | error | |
| Failed to crown | exception | error | filesystem, chown, io, principal |
| Failed to truncate | exception | error | file-system, truncate, io, permissions |
| Expecting the current parser token to be the start of an… | exception | error | json, decoding, type-mismatch, jackson |
| Invalid connection header | http | error | websocket, http1, handshake, headers |
| Only TLSv1.3 supported | exception | error | quic, tls, http3, unsupported-protocol |
| streamIdleTimeout must be >= 0 | validation | error | validation, illegal-argument, duration, config |
| File handle is closed | exception | error | |
| only ' ' and '\t' are allowed after '\n | validation | error | http, headers, validation, vertx |
| Failed to decode: | exception | error | json, decoding, codec, adaptation |