{"id":"fd3c04ffd552b03b","repo":"labstack/echo","slug":"router-has-no-routes-to-remove","errorCode":null,"errorMessage":"router has no routes to remove","messagePattern":"router has no routes to remove","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"router.go","lineNumber":387,"sourceCode":"\t\tm.propfind != nil ||\n\t\tm.trace != nil ||\n\t\tm.report != nil ||\n\t\tm.query != nil ||\n\t\tm.any != nil ||\n\t\tlen(m.anyOther) != 0\n\t// RouteNotFound/404 is not considered as a handler\n}\n\n// Routes returns all registered routes\nfunc (r *DefaultRouter) Routes() Routes {\n\treturn r.routes\n}\n\n// Remove unregisters registered route\nfunc (r *DefaultRouter) Remove(method string, path string) error {\n\tcurrentNode := r.tree\n\tif currentNode == nil || (currentNode.isLeaf && !currentNode.isHandler) {\n\t\treturn errors.New(\"router has no routes to remove\")\n\t}\n\n\tif path == \"\" {\n\t\tpath = \"/\"\n\t}\n\tif path[0] != '/' {\n\t\tpath = \"/\" + path\n\t}\n\n\tvar nodeToRemove *node\n\tprefixLen := 0\n\tfor {\n\t\tif currentNode.originalPath == path && currentNode.isHandler {\n\t\t\tnodeToRemove = currentNode\n\t\t\tbreak\n\t\t}\n\t\tif currentNode.kind == staticKind {\n\t\t\tprefixLen = prefixLen + len(currentNode.prefix)","sourceCodeStart":369,"sourceCodeEnd":405,"githubUrl":"https://github.com/labstack/echo/blob/05489dc1730161df26b72d1ae2a3ba6fb8178fc7/router.go#L369-L405","documentation":"Returned by DefaultRouter.Remove (router.go:386-388) when the router tree is nil or the root is a leaf with no handler — i.e. nothing has been registered, so there is nothing to remove.","triggerScenarios":"Calling e.Router().Remove(\"GET\", \"/users\") on a fresh Echo instance before any e.GET(...) registered a route.","commonSituations":"Calling Remove during teardown of an app that failed to register routes, or in unit tests that exercise Remove on an empty router.","solutions":["Register routes before calling Remove","Guard with len(e.Routes()) > 0 before removing","Treat the error as benign during teardown and log/ignore it"],"exampleFix":"// before\n_ = e.Router().Remove(\"GET\", \"/users\")\n// after\nif len(e.Routes()) > 0 {\n    _ = e.Router().Remove(\"GET\", \"/users\")\n}","handlingStrategy":"validation","validationCode":"if len(e.Routes()) == 0 {\n    return nil // nothing to remove\n}\nreturn e.Router().Remove(method, path)","typeGuard":null,"tryCatchPattern":"if err := e.Router().Remove(method, path); err != nil {\n    if err.Error() == \"router has no routes to remove\" {\n        return // benign during teardown\n    }\n    return err\n}","preventionTips":["Only call Remove against a populated router","During teardown, swallow this specific error"],"tags":["routing","lifecycle"],"analyzedSha":"05489dc1730161df26b72d1ae2a3ba6fb8178fc7","analyzedAt":"2026-08-04T21:32:47.783Z","schemaVersion":2}