{"record":{"id":"109d6fcd4040bb16","repo":"apache/superset","slug":"could-not-find-a-valid-command-to-import-file-109d6f","errorCode":null,"errorMessage":"Could not find a valid command to import file","messagePattern":"Could not find a valid command to import file","errorType":"exception","errorClass":"CommandInvalidError","httpStatus":422,"severity":"error","filePath":"superset/commands/database/importers/dispatcher.py","lineNumber":65,"sourceCode":"        # iterate over all commands until we find a version that can\n        # handle the contents\n        for version in command_versions:\n            command = version(self.contents, *self.args, **self.kwargs)\n            try:\n                command.run()\n                return\n            except IncorrectVersionError:\n                logger.debug(\"File not handled by command, skipping\")\n            except (CommandInvalidError, ValidationError):\n                # found right version, but file is invalid\n                logger.info(\"Command failed validation\")\n                raise\n            except Exception:\n                # validation succeeded but something went wrong\n                logger.exception(\"Error running import command\")\n                raise\n\n        raise CommandInvalidError(\"Could not find a valid command to import file\")\n\n    def validate(self) -> None:\n        pass\n","sourceCodeStart":47,"sourceCodeEnd":69,"githubUrl":"https://github.com/apache/superset/blob/f4587218dd19d046c3e4d00063e7d27f8a2ed354/superset/commands/database/importers/dispatcher.py#L47-L69","documentation":"CommandInvalidError('Could not find a valid command to import file') raised by ImportCommandDispatcher.run (dispatcher.py:65) after iterating every registered import command and none accepting the bundle. Each importer is tried and skipped on IncorrectVersionError ('File not handled by command, skipping'); a matching version with a broken payload would instead raise from within the loop. Reaching line 65 means no importer recognized the bundle's version/metadata at all.","triggerScenarios":"POST /api/v1/database/import/ (or the import endpoint of another resource) with a ZIP whose main metadata YAML names an export type/version no registered importer claims — e.g. an export from a much newer/older Superset, a renamed export type, a hand-built ZIP, or a non-import file (yaml for datasets posted to the database import endpoint).","commonSituations":"Moving export bundles between Superset versions whose EXPORT_VERSION changed; uploading the wrong resource's bundle to an endpoint; editing the YAML inside the ZIP and breaking the type/version keys; zipping the directory wrong (missing top-level metadata.yaml).","solutions":["Unzip the bundle and inspect the top metadata YAML — check the type and version fields against what your target Superset version exports.","Re-export the bundle from a Superset version compatible with your target, or update the target instance.","Ensure you post to the endpoint matching the bundle's resource type (database bundles to /database/import/, datasets to /dataset/import/, etc.).","Re-zip so metadata.yaml sits at the archive root, if the bundle was repackaged by hand."],"exampleFix":"# before: dataset bundle posted to the wrong endpoint\nPOST /api/v1/database/import/  (form-data: zipfile=<dataset_export.zip>)\n# -> CommandInvalidError: Could not find a valid command to import file\n\n# after: post to the matching endpoint\nPOST /api/v1/dataset/import/  (form-data: zipfile=<dataset_export.zip>)","handlingStrategy":"validation","validationCode":"import zipfile, yaml\n\ndef bundle_matches_resource(zip_path: str, resource_type: str) -> bool:\n    with zipfile.ZipFile(zip_path) as zf:\n        names = zf.namelist()\n        if not any(n.endswith(\"metadata.yaml\") for n in names):\n            return False\n        meta = yaml.safe_load(zf.read(\"metadata.yaml\"))\n        return meta.get(\"type\") == resource_type","typeGuard":null,"tryCatchPattern":"from superset.commands.importers.exceptions import CommandInvalidError\n\ntry:\n    ImportCommandDispatcher(\"database\", zip_stream, passwords).run()\nexcept CommandInvalidError as ex:\n    if \"Could not find a valid command\" in str(ex):\n        # wrong bundle type/version for this endpoint: check metadata.yaml\n        ...","preventionTips":["Post each bundle only to the endpoint matching its resource type.","Keep exporter and importer Superset versions compatible, or re-export from a matching version.","Never re-zip a bundle without metadata.yaml at the archive root."],"tags":["import-export","dispatcher","version-mismatch","zip","validation"],"backgroundTag":null,"analyzedSha":"f4587218dd19d046c3e4d00063e7d27f8a2ed354","analyzedAt":"2026-08-14T22:39:27.425Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}