{"record":{"id":"c67bd57b39f63e78","repo":"temporalio/temporal","slug":"failed-to-serialize-links-into-header-w","errorCode":null,"errorMessage":"failed to serialize links into header: %w","messagePattern":"failed to serialize links into header: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"common/nexus/nexusrpc/client.go","lineNumber":281,"sourceCode":"\t\turl.RawQuery = q.Encode()\n\t}\n\trequest, err := http.NewRequestWithContext(ctx, \"POST\", url.String(), reader)\n\tif contentLength != nil {\n\t\trequest.ContentLength = *contentLength\n\t}\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\tif options.RequestID == \"\" {\n\t\toptions.RequestID = uuid.NewString()\n\t}\n\trequest.Header.Set(headerRequestID, options.RequestID)\n\trequest.Header.Set(headerUserAgent, userAgent)\n\taddContentHeaderToHTTPHeader(reader.Header, request.Header)\n\taddCallbackHeaderToHTTPHeader(options.CallbackHeader, request.Header)\n\tif err := addLinksToHTTPHeader(options.Links, request.Header); err != nil {\n\t\treturn nil, fmt.Errorf(\"failed to serialize links into header: %w\", err)\n\t}\n\taddContextTimeoutToHTTPHeader(ctx, request.Header)\n\taddNexusHeaderToHTTPHeader(options.Header, request.Header)\n\n\tresponse, err := c.httpCaller(request)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\tlinks, err := getLinksFromHeader(response.Header)\n\tif err != nil {\n\t\t// Have to read body here to check if it is a Failure.\n\t\tbody, err := readAndReplaceBody(response)\n\t\tif err != nil {\n\t\t\treturn nil, err\n\t\t}\n\t\treturn nil, fmt.Errorf(\n\t\t\t\"%w: %w\",","sourceCodeStart":263,"sourceCodeEnd":299,"githubUrl":"https://github.com/temporalio/temporal/blob/bde624efd13fbd3843654058db6d9c716166318b/common/nexus/nexusrpc/client.go#L263-L299","documentation":"Error \"failed to serialize links into header: %w\" thrown in temporalio/temporal.","triggerScenarios":"Thrown at common/nexus/nexusrpc/client.go:281 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":"bde624efd13fbd3843654058db6d9c716166318b","analyzedAt":"2026-09-01T07:18:39.080Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}