ErrLookup › jenkinsci/jenkins
jenkinsci/jenkins
Jenkins automation server · Java · 1,401 source files
Analyzed at 2e228ff40b on 2026-08-14. 141 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Cannot build because its configuration has not been saved. | exception | error | jenkins, cli, build, configuration, save |
| Error occurred while performing this command, see previous… | exception | error | jenkins, cli, node, batch, agent |
| Build scheduling Refused by an extension, hence not in… | exception | error | jenkins, cli, build, queue, scheduling, extension |
| Failed to initialize | exception | critical | plugin-loading, lifecycle, initialization |
| Failed to obtain file from path | exception | critical | filesystem, dead-code, filepath, temp-directory |
| Failed to detect encoding of | exception | error | xml, encoding, parsing, sax, config |
| Permalink produced no build | exception | error | jenkins, cli, console, permalink, build |
| is currently being deleted | exception | warning | item, delete, concurrency, stapler, failure |
| Failed to set the timestamp of | exception | error | filesystem, file-metadata, windows, permissions |
| This command is requesting the -remoting mode which is no… | exception | error | jenkins, cli, remoting, deprecated, migration |
| Jenkins is unable to create | exception | critical | filesystem, permissions, startup, plugins, jenkins-home |
| Default Windows lifecycle does not support restart. | exception | warning | lifecycle, windows, restart, unsupported-operation |
| A logger named " " does not exist. Add a logger by this… | exception | warning | logging, admin, stapler, validation, log-levels |
| invalid iconSize | validation | warning | validation, ui, security, request-parameter |
| Invalid mode | exception | error | filesystem, permissions, validation, posix |
| Failed to load: ( ) | exception | error | plugin, dependency, startup, configuration, initialization |
| jenkins.war location is not known. | exception | error | lifecycle, windows, war-location, upgrade, service |
| DataInputStream unexpectedly returned negative integer | exception | error | jenkins, cli, network, protocol, io, security |
| Failed to exec | exception | critical | lifecycle, unix, restart, exec, native, jni |
| Can not call launch on a dummy launcher. | exception | error | launcher, process, dummy, agent |
| No such job ' '; perhaps you meant ' '? | validation | error | cli, job, permissions, not-found |
| Failed to join the process | exception | error | process, remoting, channel, concurrency, agent |
| unimplemented | exception | error | filesystem, workspace, unimplemented, stub |
| Restart is not supported in this running mode | exception | warning | lifecycle, restart, unsupported-operation, subclassing |
| Trying to rename an item that does not support this… | exception | error | item, rename, validation, unsupported-operation |
| Could not decode input | exception | error | console, security, http, deserialization |
| Restart is not supported on Mac OS X | exception | info | lifecycle, macos, darwin, restart, legacy-os |
| Cannot build because it is disabled. | exception | error | cli, build, configuration, disabled, job |
| no longer a configured node for | exception | error | build, agent, node, executor, concurrency, state |
| Failed to refresh extensions after installing some plugins | exception | error | plugin-manager, extensions, classloader, batch-install |
| Ambiguous plugin | validation | warning | plugin-manager, update-center, validation, ambiguity |
| Cannot find the plugin instance | exception | error | plugin-wrapper, lifecycle, initialization, plugin-instance |
| “ ” is not an allowed name | validation | warning | item, rename, naming, permissions, security, discover, acl |
| Failed to install embedded lifecycle implementation, so… | exception | warning | lifecycle, unix, restart, war-location, fallback |
| Unknown public key type: | exception | error | jenkins, cli, security, cryptography, ssh, authentication |
| Plugin class ' ' does not override either overload of the… | exception | error | plugin, console, api-compat, abstract-method |
| No such agent " " exists. | validation | error | cli, agent, configuration, not-found |
| Restart is not supported, please manually restart this… | exception | warning | jenkins, restart, plugin-wizard, ui |
| Invalid view name: | validation | error | jenkins, cli, view, validation, create |
| No such job ' | validation | error | jenkins, cli, job, delete, not-found |
| Failed to resolve | exception | error | guice, dependency-injection, classloading |
| Failed to delete | exception | error | item, delete, folder, recursive, ioexception, child |
| Refusing to deserialize unsigned note from an old log. | exception | warning | console, security, deserialization |
| The class was not found, potentially not yet loaded | exception | error | extension-list, lookup, lifecycle |
| No such file | exception | error | plugin-loading, manifest, classpath |
| Failed to parse changelog | exception | error | build, scm, changelog, scmlistener, checkout, plugin |
| Unable to create instance of | exception | error | jenkins, plugin-loading, instantiation, reflection |
| Failed to fully read | exception | error | filesystem, io, logging, permissions |
| Zip contains illegal file name that breaks out of the… | exception | critical | security, zip-slip, path-traversal, unpack |
| Null value not allowed as an environment variable | validation | error | env-vars, validation, null-safety |
| @PostConstruct | exception | error | guice, postconstruct, lifecycle |
| No ancestor of type in the request | exception | error | stapler, request, url-binding, validation |
| expected to see initial zero byte; perhaps you are… | exception | critical | jenkins-cli, protocol, version-mismatch, network |
| seems to be offline | exception | error | build, workspace, agent, offline, channel |
| Failed to unpack ( bytes read of total ) | exception | error | unpack, download, network, archive |
| Can't create job from CLI in | exception | error | jenkins, cli, job, folder, itemgroup |
| Expected 1 instance of | exception | error | extension-list, singleton, duplicate-registration |
| There's no Jenkins running at | exception | critical | jenkins-cli, network, connection, http-headers |
| Found no instances of | exception | error | extension-list, lookup, registration |
| No such item ' ' exists. | validation | error | cli, job, configuration, not-found |
| plugin is already installed. Jenkins needs to be restarted… | exception | warning | plugin-manager, dynamic-load, restart-required |
| Restart is not supported on platforms without libc | exception | warning | lifecycle, unix, restart, libc, glibc, jna, native |
| Failed to install to | exception | error | install, filepath, wrapper |
| Refusing to load the Jenkins test harness in production | exception | critical | jenkins, plugin-loading, classloader, test-harness |
| remote file operation failed | exception | error | remoting, serialization, agent |
| Job ' already exists | exception | error | jenkins, cli, job, create, duplicate |
| Corrupt stream | exception | error | console, io, corruption |
| Cannot build for unknown reasons. | exception | error | cli, build, queue, configuration |
| The name “ ” is already in use. | validation | warning | item, rename, naming, collision, stapler, validation |
| Failed to create a temp directory on | exception | error | temp-dir, filesystem, agent |
| Failed to unpack ( bytes read) | exception | error | unpack, agent, remoting, archive |
| Failed to install plugin | exception | error | plugin-manager, installation, wrapping-exception, classloader |
| Failed to mkdirs | exception | error | filesystem, mkdirs, permissions |
| Not sure what you meant by | validation | error | jenkins, cli, console, permalink, argument |
| Could not get TcpSlaveAgentListener host name | exception | error | network, url, configuration, agent, cli |
| plugin doesn’t support dynamic loading. Jenkins needs to be… | exception | warning | plugin-manager, dynamic-load, restart-required, plugin-manifest |
| Unable to create expression | exception | error | jelly, jexl, view-rendering |
| corrupt stream: negative frame length | exception | error | jenkins-cli, protocol, stream-corruption, framing |
| Node ' already exists | exception | error | jenkins, cli, node, agent, duplicate, create |
| Unknown ItemGroup | validation | error | jenkins, cli, job, folder, copy |
| Malformed plugin attribute | exception | error | plugin-manager, xml, parsing, configuration, validation |
| This Jenkins lifecycle does not support dynamic loading of… | exception | warning | plugin-manager, lifecycle, restart-required, dynamic-load |
| SHA-256 could not be instantiated, but is required to be… | exception | critical | security, crypto, jvm, sha256, provider |
| ' ' view can not be modified directly | exception | error | cli, view, configuration, type-mismatch |
| Failed to parse XML | exception | error | plugin-manager, xml, parsing, sax, corruption |
| has no SCM trigger, but checkSCM was specified | exception | error | cli, build, scm, configuration |
| Failed to create a temporary directory in | exception | error | temp-file, filesystem, permissions |
| No such build # | validation | error | jenkins, cli, console, build, log |
| Can not call launchChannel on a dummy launcher. | exception | error | launcher, remoting, channel, dummy |
| Failed to expand | exception | error | plugin-loading, zip, archive |
| Plugin installation failed. No manifest at | exception | error | jenkins, plugin-loading, manifest, installation |
| Process working directory | exception | error | process, filesystem, agent, configuration, launcher |
| doesn't extend from hudson.Plugin | exception | error | jenkins, plugin-loading, lifecycle, class-type |
| Unable to read | exception | error | xml, serialization, persistence, xstream, config |
| Failed to create a temp file on | exception | error | temp-file, filesystem, agent |
| New name is not given | exception | error | item, rename, null-argument, validation, programming-error |
| View ' already exists | exception | error | jenkins, cli, view, duplicate, create |
| There's no Jenkins running at | exception | critical | jenkins-cli, duplex-transport, network, http-headers |
| Unsupported private key file format: key | exception | error | jenkins-cli, ssh, private-key, authentication |
| unknown operation # | exception | error | jenkins-cli, protocol, version-mismatch, opcode |