{"record":{"id":"1d4ecf9d40cfb308","repo":"GoogleContainerTools/skaffold","slug":"errstr-aggregated-event-log-file-errors-e-g-ev","errorCode":null,"errorMessage":"errStr (aggregated event log file errors, e.g. \"eventV2 log file error: %s\\n\")","messagePattern":"errStr \\(aggregated event log file errors, e\\.g\\. \"eventV2 log file error: (.+?)\\\\n\"\\)","errorType":"error_code","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"pkg/skaffold/server/server.go","lineNumber":162,"sourceCode":"\t\t\terrStr += fmt.Sprintf(\"http callback error: %s\\n\", httpErr.Error())\n\t\t}\n\t\tif opts.EventLogFile != \"\" {\n\t\t\tlogFileErr := event.SaveEventsToFile(opts.EventLogFile)\n\t\t\tif logFileErr != nil {\n\t\t\t\terrStr += fmt.Sprintf(\"event log file error: %s\\n\", logFileErr.Error())\n\t\t\t}\n\n\t\t\tv2EventLogFile := fmt.Sprintf(`%s.v2`, opts.EventLogFile)\n\t\t\tlogFileV2Err := eventV2.SaveEventsToFile(v2EventLogFile)\n\t\t\tif logFileV2Err != nil {\n\t\t\t\terrStr += fmt.Sprintf(\"eventV2 log file error: %s\\n\", logFileV2Err.Error())\n\t\t\t}\n\t\t}\n\n\t\t// Save logs from current run to file\n\t\teventV2.SaveLastLog(opts.LastLogFile)\n\n\t\treturn errors.New(errStr)\n\t}\n\tif err != nil {\n\t\treturn callback, fmt.Errorf(\"starting HTTP server: %w\", err)\n\t}\n\n\tif opts.EnableRPC && opts.RPCPort.Value() == nil && opts.RPCHTTPPort.Value() == nil {\n\t\tlog.Entry(context.TODO()).Warnf(\"started skaffold gRPC API on random port %d\", grpcPort)\n\t}\n\n\treturn callback, nil\n}\n\nfunc newGRPCServer(preferredPort int) (func() error, int, error) {\n\tl, port, err := listenPort(preferredPort)\n\tif err != nil {\n\t\treturn func() error { return nil }, 0, fmt.Errorf(\"creating listener: %w\", err)\n\t}\n","sourceCodeStart":144,"sourceCodeEnd":180,"githubUrl":"https://github.com/GoogleContainerTools/skaffold/blob/a1189de023efc32d4b8e11f395acc678aa555011/pkg/skaffold/server/server.go#L144-L180","documentation":"This is not a thrown error itself but an aggregated error message: after a run terminates, skaffold's server shutdown path saves the event log (SaveLastLog) and returns errors.New(errStr), where errStr aggregates failures such as \"eventV2 log file error: %s\" encountered while persisting the event log file. It signals that the run ended and one or more teardown/log-persistence errors occurred.","triggerScenarios":"Skaffold shutting down (Ctrl+C or run completion) while the last-log file cannot be written — e.g. LastLogFile path is in a read-only or non-existent directory, or disk is full.","commonSituations":"CI containers with read-only filesystems or small tmpfs; --last-log-file pointing at a bad path; concurrent skaffold runs clobbering the same log file; permission errors in $HOME.","solutions":["Check that the --last-log-file path's directory exists and is writable.","Free disk space if the filesystem is full.","Inspect the aggregated message for the underlying wrapped cause (e.g. the specific eventV2 log file error) and fix that first.","Run with permissions to write to the default log location (usually under the user cache/config dir)."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"const logDir = path.dirname(lastLogPath);\nfs.mkdirSync(logDir, { recursive: true });\nfs.accessSync(logDir, fs.constants.W_OK);","typeGuard":null,"tryCatchPattern":"try {\n  await runSkaffold(['dev', '--last-log-file', logPath]);\n} catch (e) {\n  if (String(e).includes('log file error')) console.warn('Run finished but log persistence failed:', e.message);\n}","preventionTips":["Point --last-log-file at a writable, existing directory","Avoid read-only root filesystems without a writable volume for logs","Monitor disk space in CI runners"],"tags":["skaffold","logging","shutdown","filesystem"],"backgroundTag":"log-file-write-failed","analyzedSha":"a1189de023efc32d4b8e11f395acc678aa555011","analyzedAt":"2026-09-05T12:09:27.064Z","contentChangedAt":"2026-09-05T12:09:27.064Z","schemaVersion":2},"datasetVersion":"2026-09-12T17:17:11.597Z"}