{"record":{"id":"9e8a77ed8e4c1c86","repo":"hashicorp/nomad","slug":"error-formatting-csi-volume-w","errorCode":null,"errorMessage":"Error formatting CSI volume: %w","messagePattern":"Error formatting CSI volume: %w","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"command/volume_status_csi.go","lineNumber":50,"sourceCode":"\t\treturn fmt.Errorf(\"Error listing CSI volumes: %w\", err)\n\t}\n\tif len(possible) > 0 {\n\t\tout, err := csiFormatVolumes(possible, c.json, c.template)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"Error formatting: %w\", err)\n\t\t}\n\t\treturn fmt.Errorf(\"Prefix matched multiple CSI volumes\\n\\n%s\", out)\n\t}\n\n\t// Try querying the volume\n\tvol, _, err := client.CSIVolumes().Info(volStub.ID, nil)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"Error querying CSI volume: %w\", err)\n\t}\n\n\tstr, err := c.formatCSIBasic(vol)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"Error formatting CSI volume: %w\", err)\n\t}\n\tc.Ui.Output(str)\n\treturn nil\n}\n\nfunc (c *VolumeStatusCommand) csiVolumesList(client *api.Client, opts formatOpts) error {\n\n\tif !(opts.json || len(opts.template) > 0) {\n\t\tc.Ui.Output(c.Colorize().Color(\"[bold]Container Storage Interface[reset]\"))\n\t}\n\n\tvols, _, err := client.CSIVolumes().List(nil)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"Error querying CSI volumes: %w\", err)\n\t}\n\n\tif len(vols) == 0 {\n\t\tc.Ui.Error(\"No CSI volumes\")","sourceCodeStart":32,"sourceCodeEnd":68,"githubUrl":"https://github.com/hashicorp/nomad/blob/482b49bf1aec006f089bcfc7e632d8f6ac303e5e/command/volume_status_csi.go#L32-L68","documentation":"Once the full CSIVolume is retrieved, formatCSIBasic renders it for terminal output. If formatting fails, the error is wrapped as `Error formatting CSI volume`. This isolates rendering failures (rare, typically internal or formatting-option related) from API failures.","triggerScenarios":"`nomad volume status <id>` where the internal formatter returns an error for the retrieved volume object — typically unexpected/missing fields or a rendering failure in the formatting helper.","commonSituations":"Version skew between CLI and server producing a volume payload the formatter does not expect; corrupted response fields from a misbehaving CSI plugin.","solutions":["Retry with -json or -t '{{.}}' to bypass the default formatter and inspect the raw object.","Align CLI and server versions (nomad version) to avoid format incompatibilities.","Check the CSI plugin health (`nomad plugin status`) — a malformed volume record may need re-registration."],"exampleFix":"// before\nnomad volume status my-vol\n// after\nnomad volume status my-vol -json","handlingStrategy":"fallback","validationCode":"// fall back to raw output if the formatter fails\n// verify CLI/server versions match\nif cliVer != serverVer { warn(\"version skew may break formatting\") }","typeGuard":null,"tryCatchPattern":"str, err := c.formatCSIBasic(vol)\nif err != nil {\n\t// fallback to JSON dump\n\tif b, jerr := json.Marshal(vol); jerr == nil {\n\t\tc.Ui.Output(string(b)); return nil\n\t}\n\treturn fmt.Errorf(\"Error formatting CSI volume: %w\", err)\n}","preventionTips":["Keep the nomad CLI and servers on the same version.","Use -json or -t as an escape hatch when the default formatter misbehaves.","Re-register volumes whose records look malformed from a plugin failure."],"tags":["nomad-cli","csi","formatting"],"backgroundTag":"output-formatting-failed","analyzedSha":"482b49bf1aec006f089bcfc7e632d8f6ac303e5e","analyzedAt":"2026-09-04T07:54:14.808Z","contentChangedAt":"2026-09-04T07:54:14.808Z","schemaVersion":2},"datasetVersion":"2026-09-08T15:18:49.778Z"}