{"record":{"id":"9eb2276e571e9bb9","repo":"sipeed/picoclaw","slug":"create-matrix-media-directory-w","errorCode":null,"errorMessage":"create matrix media directory: %w","messagePattern":"create matrix media directory: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/channels/matrix/matrix.go","lineNumber":1037,"sourceCode":"\n\treader := resp.Body\n\treaderClose := func() error { return nil }\n\n\t// Encrypted attachments put URL in msgEvt.File and require client-side decryption.\n\tif msgEvt != nil && msgEvt.File != nil && msgEvt.URL == \"\" {\n\t\tif err = msgEvt.File.PrepareForDecryption(); err != nil {\n\t\t\treturn \"\", fmt.Errorf(\"decrypt matrix media: %w\", err)\n\t\t}\n\t\tdecryptReader := msgEvt.File.DecryptStream(resp.Body)\n\t\treader = decryptReader\n\t\treaderClose = decryptReader.Close\n\t}\n\n\tlabel := matrixMediaLabel(msgEvt, mediaKind)\n\text := matrixMediaExt(label, matrixContentType(msgEvt), mediaKind)\n\tmediaDir, err := matrixMediaTempDir()\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"create matrix media directory: %w\", err)\n\t}\n\ttmp, err := os.CreateTemp(mediaDir, \"matrix-media-*\"+ext)\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\ttmpPath := tmp.Name()\n\tcleanup := true\n\tdefer func() {\n\t\t_ = tmp.Close()\n\t\tif cleanup {\n\t\t\t_ = os.Remove(tmpPath)\n\t\t}\n\t}()\n\n\t_, err = io.Copy(tmp, reader)\n\tif err != nil {\n\t\treturn \"\", err\n\t}","sourceCodeStart":1019,"sourceCodeEnd":1055,"githubUrl":"https://github.com/sipeed/picoclaw/blob/49183d7e8daed0dba89ddbb6fcb60089401d9680/pkg/channels/matrix/matrix.go#L1019-L1055","documentation":"Error \"create matrix media directory: %w\" thrown in sipeed/picoclaw.","triggerScenarios":"Thrown at pkg/channels/matrix/matrix.go:1037 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"49183d7e8daed0dba89ddbb6fcb60089401d9680","analyzedAt":"2026-08-15T21:55:41.315Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}