{"record":{"id":"6549e8a3447998e5","repo":"flxzt/rnote","slug":"failed-to-parse-style-attribute-in-xoppbackgroun","errorCode":null,"errorMessage":"failed to parse `style` attribute in XoppBackground with node id {:?}, could not find attribute","messagePattern":"failed to parse `style` attribute in XoppBackground with node id (.+?), could not find attribute","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"crates/rnote-engine/src/fileformats/xoppformat.rs","lineNumber":371,"sourceCode":"    /// Optional background name.\n    pub name: Option<String>,\n    /// The background type.\n    pub bg_type: XoppBackgroundType,\n}\n\nimpl XmlLoadable for XoppBackground {\n    fn load_from_xml(&mut self, node: Node) -> anyhow::Result<()> {\n        self.name = node.attribute(\"name\").map(|name| name.to_string());\n\n        match node.attribute(\"type\").ok_or_else(|| {\n            anyhow::anyhow!(\n                \"failed to parse `type` attribute of XoppBackground with node id {:?}, could not find attribute\",\n                node.id()\n            )\n        })? {\n            \"solid\" => {\n                let style = match XoppBackgroundSolidStyle::from_xml_attr_value(node.attribute(\"style\").ok_or_else(|| {\n                    anyhow::anyhow!(\"failed to parse `style` attribute in XoppBackground with node id {:?}, could not find attribute\", node.id())\n                })?) {\n                    Ok(s) => s,\n                    Err(e) => {\n                        error!(\"Failed to retrieve the XoppBackgroundSolidStyle from `style` attribute, Err: {e:?}\");\n                        XoppBackgroundSolidStyle::Plain\n                    }\n                };\n\n                let color = XoppColor::from_backgroundcolor_attr_value(\n                    node.attribute(\"color\").ok_or_else(|| {\n                        anyhow::anyhow!(\n                            \"Failed to parse `color` attribute in XoppBackground with id {:?}\",\n                            node.id()\n                        )\n                    })?,\n                )?;\n                self.bg_type = XoppBackgroundType::Solid { color, style };\n            }","sourceCodeStart":353,"sourceCodeEnd":389,"githubUrl":"https://github.com/flxzt/rnote/blob/bbc5354502ba2fc83eec2670b535348825e679a6/crates/rnote-engine/src/fileformats/xoppformat.rs#L353-L389","documentation":"When the <background> type is \"solid\", XoppBackground::load_from_xml requires a 'style' attribute to build a XoppBackgroundSolidStyle. Missing style triggers this error, which is then logged and the style silently falls back to Plain.","triggerScenarios":"load_from_xml on a <background type=\"solid\"> node lacking a 'style' attribute. The error is recorded via tracing error! and processing continues with XoppBackgroundSolidStyle::Plain.","commonSituations":"Hand-edited .xopp files; third-party generators emitting solid backgrounds without style; partial copy of a background element.","solutions":["Add style=\"plain\" (or ruled/lined/staves/graph/dotted/isodotted/isograph) to the solid background element","Re-save the file in Xournal++ to restore the attribute","If the fallback to Plain is acceptable, ignore the log but expect visual differences","Validate background attributes when generating xopp XML"],"exampleFix":"// before\n<background type=\"solid\" color=\"#ffffffff\"/>\n// after\n<background type=\"solid\" style=\"plain\" color=\"#ffffffff\"/>","handlingStrategy":"fallback","validationCode":"fn solid_bg_has_style(node: &roxmltree::Node) -> bool {\n    node.attribute(\"style\").is_some()\n}","typeGuard":null,"tryCatchPattern":"// engine already falls back to Plain; mirror that defensively\nmatch XoppBackgroundSolidStyle::from_xml_attr_value(\n    node.attribute(\"style\").unwrap_or(\"plain\")) {\n    Ok(s) => s,\n    Err(_) => XoppBackgroundSolidStyle::Plain,\n}","preventionTips":["Always emit style with type=\"solid\" when generating xopp XML","Treat the resulting Plain fallback as expected in log monitoring","Re-save files in Xournal++ to restore canonical attributes"],"tags":["xml-parsing","file-formats","xopp","fallback"],"backgroundTag":"missing-required-argument","analyzedSha":"bbc5354502ba2fc83eec2670b535348825e679a6","analyzedAt":"2026-09-08T13:20:33.747Z","contentChangedAt":"2026-09-08T13:20:33.747Z","schemaVersion":2},"datasetVersion":"2026-09-16T09:17:16.951Z"}