{"record":{"id":"a68b8a9712b7b46a","repo":"influxdata/influxdb","slug":"serde-json-error-0","errorCode":null,"errorMessage":"serde json error: {0}","messagePattern":"serde json error: (.+?)","errorType":"http","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"influxdb3_server/src/http.rs","lineNumber":307,"sourceCode":"\n    /// Hyper error\n    #[error(\"hyper http error: {0}\")]\n    Hyper(#[from] hyper::http::Error),\n\n    /// WriteBuffer error\n    #[error(\"write buffer error: {0}\")]\n    WriteBuffer(#[from] influxdb3_write::write_buffer::Error),\n\n    /// Persister error\n    #[error(\"persister error: {0}\")]\n    Persister(#[from] influxdb3_write::persister::PersisterError),\n\n    // ToStrError\n    #[error(\"to str error: {0}\")]\n    ToStr(#[from] hyper::header::ToStrError),\n\n    // SerdeJsonError\n    #[error(\"serde json error: {0}\")]\n    SerdeJson(#[from] serde_json::Error),\n\n    // Influxdb3 Write\n    #[error(\"serde json error: {0}\")]\n    Influxdb3Write(#[from] influxdb3_write::Error),\n\n    #[error(\"datafusion error: {0}\")]\n    Datafusion(#[from] DataFusionError),\n\n    #[error(\"io error: {0}\")]\n    Io(#[from] std::io::Error),\n\n    #[error(\"query error: {0}\")]\n    Query(#[from] QueryExecutorError),\n\n    #[error(transparent)]\n    DbName(#[from] ValidateDbNameError),\n","sourceCodeStart":289,"sourceCodeEnd":325,"githubUrl":"https://github.com/influxdata/influxdb/blob/06200ef96ba82c5f6727e5038a83af8e722c6875/influxdb3_server/src/http.rs#L289-L325","documentation":"Wraps serde_json::Error as 'serde json error: {0}'. It occurs when the HTTP layer fails to parse or serialize JSON — typically an invalid JSON body on endpoints expecting JSON, or an internal JSON serialization failure.","triggerScenarios":"POSTing an invalid/malformed JSON body to a JSON endpoint (e.g. /api/v3/query_json, line-protocol-as-json writes); internal response serialization bug.","commonSituations":"Trailing commas, single quotes, or unquoted keys in request JSON; sending line protocol as the body of a JSON endpoint; wrong Content-Type causing JSON parse of a non-JSON body.","solutions":["Validate the JSON body with a linter (jq) before sending","Send the body to the endpoint that matches its format (line protocol to /write, JSON to the JSON query endpoint)","Check that the Content-Type header matches the body encoding","If it happens on server responses, inspect the wrapped serde message and file a bug"],"exampleFix":"// before\n{\"query\": \"SELECT * FROM cpu\",}  # trailing comma\n// after\n{\"query\": \"SELECT * FROM cpu\"}","handlingStrategy":"validation","validationCode":"try { JSON.stringify(JSON.parse(body)); } catch (e) {\n  throw new Error(\"request body is not valid JSON: \" + e.message);\n}","typeGuard":"function isJsonObject(v) { return typeof v === \"object\" && v !== null && !Array.isArray(v); }","tryCatchPattern":"try { await postJson(url, body); } catch (e) {\n  if (String(e).includes(\"serde json error\")) {\n    // validate body with JSON.parse locally, fix syntax, resend\n  }\n}","preventionTips":["Generate request bodies with JSON.stringify, never string concatenation","Set Content-Type: application/json on JSON endpoints","Lint/validate JSON payloads in tests","Use jq or a parser to verify samples during debugging"],"tags":["json","serde","http","parse"],"backgroundTag":"json-parse-error","analyzedSha":"06200ef96ba82c5f6727e5038a83af8e722c6875","analyzedAt":"2026-09-19T12:55:30.003Z","contentChangedAt":"2026-09-19T12:55:30.003Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}