ErrLookup › wasmerio/wasmer

wasmerio/wasmer

🚀 Fast, secure, lightweight containers based on WebAssembly · Rust · 1,000 source files

Analyzed at 8c4b9ee9d3 on 2026-09-02. 266 documented errors.

Code / Message	Type	Severity	Tags
target os + arch combination not supported: {os}, {arch}	panic	error
failed to create v8 cache dir {}: {err}	panic	error
failed to remove incomplete wee8 lib dir {}: {err}	panic	error
failed to create temporary v8 archive download file in {}: {	panic	error
failed to write temporary v8 archive download file {}: {err}	panic	error
failed to finalize v8 archive cache {} from temporary file {	panic	error
failed to read v8 archive cache {}: {err}	panic	error
failed to create temporary wee8 unpack directory in {}: {err	panic	error
failed to unpack v8 archive cache {} into {} (cache removed	panic	error
v8 archive {} did not contain a top-level `lib/` directory a	panic	error
failed to remove existing wee8 lib dir {} before rename: {er	panic	error
failed to move unpacked wee8 lib from {} to {}: {err}	panic	error
No program akin to `objcopy` found I searched for these prog	panic	error
{objcopy} failed with error code {}: {}	panic	error
Closures (functions with captured environments) are currentl	panic	error
{error_message}	panic	error
No runtime enabled!	panic	error
Function::call_async futures cannot be polled recursively fr	panic	error
cannot create Exception with Tag from another Store	panic	error
payload length mismatch	panic	error
payload type mismatch	panic	error
Exception is from another Store	panic	error
Cannot build a StoreAsync within a sync context	panic	error
No store context installed on this thread	panic	error
dynamic functions cannot be used in tables or as funcrefs	panic	error
not a `sys` backend!	panic	error	rust, panic, c-api, engine, config-mismatch
Unsupported backend kind {v:?}	panic	error	rust, panic, c-api, feature-gate, backend
unimplemented operator {operator:?}	panic	error	rust, panic, c-api, parser, simd, wasm
wasmer_env_set_memory() is not supported	panic	error	rust, panic, c-api, wasi, deprecated, breaking-change
Unable to determine the wasmer dir: {e}	panic	error	rust, panic, cli, environment, xdg, config
cannot create debug directory: {}	panic	error	rust, panic, cranelift, filesystem, permissions, debug
x86 support requires SSE2	panic	error	rust, panic, cranelift, cpu-features, x86, target
global #{} is a constant	panic	error	rust, panic, cranelift, wasm, validation, immutable-global
Unsupported libcall	panic	error	rust, panic, cranelift, libcall, relocation, compiler
The relocation {reloc} is not yet supported.	panic	critical	panic, compiler, relocation, cranelift, unsupported-feature
cannot create debug directory: {}	panic	error	panic, filesystem, io, llvm, debug-config
Metering::transform_module_info: Attempting to use a `Meteri	panic	critical	panic, middleware, metering, state-reuse
Internal error: failed to resolve exported function {}: {e:?	panic	critical	panic, dynamic-linking, wasix, internal-error
Internal error: Tried to import TLS symbol from module {} th	panic	critical	panic, tls, dynamic-linking, wasix, internal-error
Internal error: missing import resolution '{0}'.{1}	panic	critical	panic, dynamic-linking, link-state, wasix, internal-error
Internal error: bad in-progress symbol resolution: {e:?}	panic	critical	panic, dynamic-linking, link-state, wasix, internal-error
Internal error: bad in-progress symbol resolution	panic	critical	panic, dynamic-linking, symbol-resolution, wasix, internal-error
Internal error: missing symbol resolution record for '{0}'.{	panic	critical	panic, dynamic-linking, linker, wasix, internal-error
Internal error: failed to resolve function {}: {e:?}	panic	critical	panic, dynamic-linking, linker, wasix, internal-error
Internal error: resolution record for symbol {name} indicate	panic	error	linker, internal-invariant, wasm-imports, panic
Internal error: function table index {index} already occupie	panic	error	linker, function-table, internal-invariant, panic
Internal error: Module with handle {module_handle:?} was alr	panic	error	linker, duplicate-instantiation, dlopen, panic
Internal error: table base out of sync with linker state	panic	error	linker, table-base, dylink, internal-invariant, panic
Internal error: module {resolved_from:?} not loaded by this	panic	error	linker, missing-module, internal-invariant, panic
Internal error: failed to resolve exported function {name}:	panic	error	linker, missing-export, symbol-resolution, panic
Internal error: allocated index {allocated_index} does not m	panic	error	linker, table-allocation, internal-invariant, panic
Internal error: $ORIGIN or ${{ORIGIN}} in RUNPATH, but no ca	panic	error	linker, runpath, dlopen, origin, panic
Stack size must be 1024-bit aligned	panic	error	linker, configuration, stack-size, alignment, panic
Internal error: unexpected symbol resolution {r:?} for reque	panic	error	linker, symbol-resolution, internal-invariant, panic
wasix linker bootstrap invariant violated: expected exactly	panic	critical	wasix, linker, dynamic-linking, invariant-violation, concurrency
The linker state's lock is poisoned	panic	critical	wasix, linker, lock-poisoned, concurrency, panic
Internal error: more than one synchronized link operation ac	panic	critical	wasix, linker, dynamic-linking, concurrency, invariant-violation
Cannot write non-scalar value as bytes	panic	error	wasix, syscalls, reference-types, memory, unsupported-feature
Cannot read non-scalar value from memory	panic	error	wasix, syscalls, reference-types, memory, unsupported-feature
Failed to free closure index: {e}	panic	error	wasix, syscalls, closures, double-free, panic
Cannot get size of reference type	panic	error	wasix, closures, reference-types, unsupported-feature, abi
Cannot store reference type	panic	error	wasix, closures, reference-types, codegen, unsupported-feature
Cannot load reference type	panic	critical	wasix, panic, closures, wasm, reference-types
Failed to load newly built in-memory module: {e}	panic	critical	wasix, panic, closures, wasm-validation, dynamic-linking
Failed to convert size to offset	panic	error	wasix, panic, dlopen, memory-offset, guest-memory
Failed to convert u64 address to M::Offset	panic	error	wasix, panic, dlsym, memory64, address-space
Unhandled internal variant	panic	critical	llvm-backend, wasm-compiler, simd, panic, unreachable
internal error: entered unreachable code	panic	error	wasmtime, llvm-backend, compiler-panic, integer-division, internal-invariant
Unhandled inner case	panic	error	rust, wasm, llvm, simd, conversion, panic
ref.is_null only accepts reference types	panic	error	rust, unreachable, wasm, reference-types
duplicate function	panic	error	wasmtime, llvm-backend, intrinsics, panic, duplicate-function
Can't form ExtraInfo with two pending canonicalization	panic	error	wasmtime, llvm-backend, nan-canonicalization, panic, floating-point
Symbol {} in DWARF not recognized	panic	error	wasmtime, singlepass, dwarf, debug-info, panic
internal error: entered unreachable code	panic	error	wasmtime, singlepass, arm64, code-generation, panic, immediate-overflow
no v128 type in Wasm C API yet!	panic	error
not yet implemented	panic	error
not yet implemented	panic	error
not yet implemented	panic	error	wasmtime, singlepass, exnref, exception-handling, unimplemented
not yet implemented	panic	error	wasmtime, singlepass, riscv, simd, unimplemented
unsupported location	panic	error	wasmtime, singlepass, riscv, codegen, panic
unsupported move: {size:?} {source:?} {dest:?}	panic	critical	riscv, singlepass, codegen
not yet implemented	panic	critical	riscv, singlepass, unimplemented, wasm
Not supported yet	panic	error	aot, relocation, serialization
not yet implemented	panic	error	exceptions, unwinding, dwarf, wasm
getting invalid type from table, handle this error	panic	error	tables, wasm, runtime
Exception handling is not yet supported in js	panic	error	javascript, wasm, exceptions, unimplemented
The type is not yet supported in the JS Global API	panic	error	javascript, globals, simd, reference-types
direct data pointer access is not possible in JavaScript	panic	error	javascript, memory, unimplemented
module info requires the wasm-types-polyfill feature	panic	error	wasm, javascript-backend, feature-flag, module-metadata
The {val:?} is not yet supported	panic	error	wasm, javascript-backend, funcref, externref, unimplemented
Table.copy is not natively supported in Javascript	panic	error	wasm, javascript-backend, table, unimplemented
The type is not yet supported in the JS Global API	panic	error	wasm, javascript-backend, exceptions, tag, unimplemented
The type `{:?}` is not yet supported in the JS Function API	panic	error	wasm, javascript-backend, funcref, exceptionref, type-conversion
The value `{:?}` is not yet supported in the JS Function API	panic	error	wasm, javascript-backend, funcref, exceptionref, type-conversion
ExceptionRefs are not yet supported in the JS Function API	panic	error	wasm, javascript-backend, exceptionref, unimplemented
Exception handling is not yet supported in v8	panic	error	wasm, v8-backend, exceptions, unimplemented
ExternRef is not yet supported with wasm_c_api	panic	error	wasm, v8-backend, externref, unimplemented
ExternRef is not yet supported in wasm_c_api	panic	error	wasm, externref, unimplemented, v8, backend-support
Copying tables is currently not implemented!	panic	error	wasm, table, unimplemented, v8, bulk-memory
new is only implemented for the sys backend	panic	error	wasm, exception-handling, unimplemented, backend-support
is_from_store is only implemented for the sys backend	panic	error	wasm, exception-handling, unimplemented, backend-support
tag is only implemented for the sys backend	panic	error	wasm, exception-handling, unimplemented, backend-support
payload is only implemented for the sys backend	panic	error	wasm, exception-handling, unimplemented, backend-support
vm_exceptionref is only implemented for the sys backend	panic	error	wasm, exception-handling, unimplemented, backend-support
from_vm_exceptionref is only implemented for the sys backend	panic	error
No backend available	panic	error
custom-descriptors not implemented yet	panic	error
VMExceptionRef::into_raw is only implemented for the sys bac	panic	error
relocations to offset in the same function are not yet suppo	panic	error
Interrupts not supported	panic	error
Null reference not supported	panic	error
Trap code {trap:?} not supported	panic	error
dwarf relocation size not yet supported: {}	panic	error
dwarf relocation size for personality not supported: {}	panic	error	rust, cranelift, dwarf, unimplemented
dwarf relocation size for LSDA not supported: {}	panic	error	rust, cranelift, dwarf, unimplemented
eh pointer encoding {eh_pe:?} not supported for symbol targe	panic	error	rust, cranelift, dwarf, eh-frame, unimplemented
write_offset not yet implemented	panic	error	rust, cranelift, dwarf, unimplemented
write_offset_at not yet implemented	panic	error	rust, cranelift, dwarf, unimplemented
Currently only SIMD instructions are mapped to their return	panic	error	rust, cranelift, wasm, simd, translator
target {} not yet supported in Wasmer	panic	error	rust, llvm, target-triple, unsupported-target
dwarf relocation size not yet supported: {}	panic	error	rust, singlepass, dwarf, unimplemented
write_offset not yet implemented	panic	error	rust, singlepass, dwarf, unimplemented
write_offset_at not yet implemented	panic	error	rust, singlepass, dwarf, unimplemented
64bit memory not implemented yet	panic	error	wasm, unimplemented, memory64, translator
custom-descriptors not implemented yet	panic	error	wasm, unimplemented, custom-descriptors, exports
not implemented	panic	critical	rust, unimplemented, trap, stub
state::get_inode_at_path for buffers	panic	error	wasix, filesystem, unimplemented, buffer
state::get_inode_at_path unknown file type: not file, direct	panic	error	wasix, filesystem, filetype, unimplemented
state::get_inode_at_path unknown file type: not file, direct	panic	error	wasix, filesystem, windows, unimplemented
wasi::path_unlink_file for Buffer	panic	error	wasix, wasi, unlink, buffer, unimplemented
Symlinks in wasi::fd_read	panic	error	wasix, wasi, unimplemented, symlink, panic
wasi::platform_clock_time_get(wasi::Clockid::ProcessCputimeI	panic	error	wasix, wasi, windows, clock, unimplemented, panic
wasi::platform_clock_time_get(wasi::Clockid::ThreadCputimeId	panic	error	wasix, wasi, windows, clock, unimplemented, panic
user agent must not be empty	validation	error	config, validation, http-client, backend-api
invalid value for {} - expected 0/false\|1/true: '{other}'	validation	error	config, env-var, validation, backend-api
cron job '{cron_job}' not found	exception	error	backend-api, graphql, not-found, cron
invocation start must not be after end	validation	error	backend-api, validation, datetime, cron
Could not find package with hash '{h}'	exception	error	backend-api, not-found, package, webc, registry
invalid node type returned	exception	error	backend-api, graphql, type-mismatch, validation
App deletion failed for an unknown reason	exception	error	backend-api, graphql, mutation, permissions, delete
unsupported Wasm C API import version: {version:?}	validation	error	wasm, c-api, version-compat, imports
env.memory import for Wasm C API module is not a memory	validation	error	wasm, c-api, imports, memory, type-mismatch
env.__indirect_function_table import for Wasm C API module i	validation	error	wasm, c-api, imports, table, type-mismatch
--experimental-artifact is only supported on Linux	validation	error	cli, platform, linux, profiler, flags
The gdb profiler requires --experimental-artifact	validation	error	cli, profiler, gdb, flags, config
The lldb profiler requires --experimental-artifact	validation	error	cli, profiler, lldb, flags, config
The {} backend does not support the required features for th	exception	error	cli, backend, wasm-features, compiler, config
No backends support the required features for the Wasm modul	exception	error	cli, backend, wasm-features, compiler, build-flags
The headless engine can't be chosen	exception	error	cli, backend, headless, engine, config
The `{compiler}` compiler is not included in this binary.	exception	error	cli, backend, compiler, build-features, config
Headless is not a valid runtime to instantiate directly	exception	error	wasmer, backend, configuration, runtime
Unsupported backend type	exception	error	wasmer, backend, feature-flags, compile-time
The package doesn't contain any bindings	exception	error	wasmer, bindings, package-manifest
No app name specified: use --name <app_name>	validation	error	wasmer, cli, app-deploy, non-interactive
No owner specified: use --owner <owner>	validation	error	wasmer, cli, app-deploy, non-interactive
Stopping as the directory is not empty	exception	error	wasmer, cli, filesystem, app-create
The --use_local_manifest flag was passed, but path {} does n	exception	error	wasmer, cli, manifest, app-create
Template '{template}' not found in the registry	exception	error	wasmer, cli, registry, template
No template selected	validation	error	wasmer, cli, app-create, non-interactive
Cannot create app from template in offline mode	exception	error	wasmer, cli, offline, network, app-create
Could not read or find wasmer.toml manifest in path '{}'!	exception	error
No owner specified: use --owner XXX	validation	error
No such file or directory '{}'	exception	error
Cannot proceed with the deployment as the app spec in path {	validation	error
remote deployments require the app's package to reference a	validation	error
Cannot determine app name: use --app_name <app_name>	validation	error
Please, change the owner before deploying or check your curr	validation	error
--build-remote cannot be combined with --publish-package	validation	error
No owner specified: use --owner <owner>	validation	error
No app name specified: use --name <app_name>	validation	error
No app configuration was found in {}. Create an app before d	exception	error
Cannot proceed with the deployment as the app spec in path {	validation	error
The app.yaml references a local package, but no wasmer.toml	exception	error
The app.yaml references a local package, but no wasmer.toml	exception	error
deprecated deploy behaviour	exception	error
App still not reachable after 5 minutes...	exception	error
No secret name given. Provide one as a positional argument.	validation	error
No secret value given. Provide one as a positional argument.	validation	error
Cannot create secret '{}' as it already exists. Use the `upd	validation	error
Secret creation failed!	exception	error
No secret name given. Provide one as a positional argument.	validation	error
Error deleting secret '{}'	exception	error
Refusing to delete all secrets in non-interactive mode witho	validation	error
Secret '{}' already exists. Use --update-existing to update	validation	error
Secret import failed!	exception	error
No secret name given. Provide one as a positional argument.	validation	error
The 'item-table' format is not available for single values.	validation	error
No secret name given. Provide one as a positional argument.	validation	error
No secret value given. Provide one as a positional argument.	validation	error
Cannot update secret '{}' in app {app_id} as it does not exi	validation	error
Secret creation failed!	exception	error
No secret found with name {secret_name} for app {app_id}	exception	error
No app configuration file found in path {}.	exception	error
No app id given. Provide one using the `--app` flag.	validation	error
invalid app identifier '{s}': namespace can not be empty	validation	error
invalid app identifier '{s}': name can not be empty	validation	error
invalid app identifier '{s}': expected an app id, but id is	validation	error
Stopping the flow as the user is not logged in.	exception	error
Stopping execution as the user is not logged in.	exception	error
Failed to activate version: backend did not update version!	exception	error
Failed to rotate S3 credentials for {} volume(s): {}	exception	error
Failed to update S3 for {} volume(s): {}	exception	error
App {app_name} has no volumes.	exception	error
App {app_name} has no volume matching '{selector}'. Availabl	exception	error
The argument to --cwd must be an absolute path	validation	error	cli, wasi, argument-validation, path
Read-only journal file does not exist: {journal:?}	exception	error	cli, wasi, journal, file-not-found
Cannot pre-open the current directory twice: '--volume=.' mu	validation	error	cli, wasi, filesystem, duplicate-argument
Invalid --map-command flag - alias cannot be empty: '{item}'	validation	error	cli, wasi, argument-validation, map-command
Invalid --map-command flag - host path cannot be empty: '{it	validation	error	cli, wasi, argument-validation, map-command
Self update is not supported on Windows. Use install instruc	exception	error	windows, self-update, platform-unsupported, cli
`wasmer validate` only validates WebAssembly files	validation	error	wasm, validation, cli, input-format
could not determine app domain for backend url '{domain}': u	exception	error	config, backend-url, domain, cli
no token provided - run 'wasmer login', specify --token=XXX,	exception	error	authentication, token, config, cli
Invalid client config: unknown config version '{version}'	validation	error	config, schema-version, deserialization, cli
The package doesn't contain any executable commands	exception	error	wasix, webc, entrypoint, packaging
Unable to determine the package's entrypoint. Please choose	exception	error	wasix, webc, entrypoint, ambiguity
journal restore error: failed to set clock time (clock_id={c	exception	error	wasix, journal, snapshot-restore, clock
journal restore error: failed renumber file descriptor after	exception	error	wasix, journal, epoll, fd-renumber, snapshot-restore
journal restore error: failed to close descriptor (fd={fd})	exception	error	wasix, journal, fd-close, snapshot-restore
journal restore error: failed renumber file descriptor after	exception	error	wasix, journal, fd-duplicate, snapshot-restore
journal restore error: failed to renumber descriptor (from={	exception	error	wasix, journal, fd-renumber, snapshot-restore
journal restore error: failed to open descriptor (fd={fd}, p	exception	error	wasix, journal, path-open, filesystem, snapshot-restore
journal restore error: failed to remove directory - {err}	exception	error	wasix, journal, path-remove-directory, filesystem, snapshot-restore
journal restore error: failed to rename path (old_fd={old_fd	exception	error	wasix, journal, path-rename, filesystem, snapshot-restore
journal restore error: failed to remove file (fd={fd}, path=	exception	error	wasix, journal, filesystem, snapshot-restore, errno
Invalid guest mount path "{}": parent traversal escapes the	validation	error	wasix, mount, path-validation, security, wasi
Invalid guest mount path "{}": platform-specific prefixes ar	validation	error	wasix, mount, path-validation, windows, wasi
zstd content-encoding is not supported on wasm32	exception	error	wasm32, zstd, http, content-encoding, package-loader
unsupported content-encoding: {other}	exception	error	http, content-encoding, package-loader, network, wasix
No value found for secret with name '{}'	exception	error	graphql, secrets, backend-api
Could not parse app.yaml: {err:?}	exception	error	yaml, configuration, parsing
The backend did not return any nonce to auth the login!	exception	error	auth, login, backend-api, network
❌ Failed to receive token from localhost	exception	error	auth, login, localhost, callback
config from file: {e}	exception	error	auth, configuration, wasmer-toml
Not logged in!	exception	error	auth, login, token
No registry not specified!	exception	error	auth, logout, registry, configuration
Not logged into registry {host_str}	exception	warning	auth, logout, registry, session
Not logged into registry {host_str}: {e}	exception	error	auth, logout, network, graphql
Not logged in registry {host_str}	exception	error	cli, authentication, registry
Can't check permissions of {}	exception	error	filesystem, permissions, cli, linux
{} is world writable and not sticky ({m:?})	exception	error	filesystem, permissions, security, linux
could not save config file	exception	error	config, filesystem, cli
This CLI does not support the 'connect' command: only availa	exception	error	cli, unsupported-platform, feature-flag, linux
no current dir name	exception	error	cli, filesystem, package-init
{e}	exception	error	cli, filesystem, package-init
{}	exception	error	cli, filesystem, package-init
no dir name	exception	error	cli, filesystem, package-init
failed to unpack (with parent) {}: {e}	exception	error	rust, archive, tar, filesystem, unpack
could not decode gz: {e1}, could not decode xz: {e2}	exception	error	rust, compression, gzip, xz, download
could not parse YAML for format-preserving edit: {e}	exception	error	rust, yaml, parsing, config
could not parse YAML semantically: {e}	exception	error	rust, yaml, serde, parsing, config
Invalid job trigger '{s}'. Must be 'pre-deployment', 'post-d	validation	error	rust, config, validation, cron, parse
app field empty	exception	error	rust, api, deploy, graphql, null-field
failed to determine file type for '{}'	exception	error	rust, filesystem, zip, symlink, deploy
Timeout while downloading response body	exception	error	network, timeout, http, wasm, wasix
Could not apply request header: '{name}': '{value}'	exception	error	http, headers, browser, javascript, wasm
Unable to cast to a {}	exception	error	wasm, javascript, type-cast, headers, wasm-bindgen
cloning JavaScript shared memory should not fail	panic	error	panic, wasm, javascript, memory
The page is non-empty	panic	error	panic, graphql, pagination, backend-api
`wasm_valtype_kind: argument is a null pointer	panic	error	c-api, null-pointer, panic, wasm
must be a valid path string	panic	error	wasi, path, utf-8, panic, cli
dir must be a valid string	panic	error	wasi, path, utf-8, panic, cli
unable to make memory readonly and executable	panic	critical	memory-protection, jit, mprotect, panic, compiler
failed to register unwind information	panic	error	unwind, windows, panic, compiler
only numeric types are supported in function signatures	panic	error	panic, compiler, wasm, simd, type-section
Global index must be valid	panic	error	panic, compiler, wasm, validation, init-expr