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error during websocket handshake: unexpected response code: 502

Santino on Mar 09, 2021

I got this error when I forgot to start my server. So make sure the server is running :)

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failed: error during websocket handshake: unexpected response code: 400 error during websocket handshake: unexpected response code: 502 failed: error during websocket handshake: unexpected response code: 400 websocket._exceptions.WebSocketBadStatusException: Handshake status 500 Internal server error websocket._exceptions.WebSocketBadStatusException: Handshake status 500 Internal server error websocket._exceptions.WebSocketBadStatusException: Handshake status 500 Internal server error cannot enqueue handshake after already enqueuing a handshake swift_transportexception expected response code 220 but got an empty response error importTsv SyntaxError: (hbase):4: syntax error, unexpected ',' error An unexpected error occurred: "https://registry.yarnpkg.com/@material-ui/icons/-/icons-4.11.2.tgz: ESOCKETTIMEDOUT". ActiveResource::UnauthorizedAccess: Failed. Response code = 401. Response message = Unauthorized ([API] Invalid API key or access token (unrecognized login or wrong password)) syntax error, unexpected '-> syntax error, unexpected '-> swift_transportexception expected response code 250 but got code "530", with message "530 5.7.1 authentication required " null error due to delay in api response null error due to delay in api response mule 4 headers is not allowed to be child of element error-response Docker error response from daemon: manifest for jenkins latest not found visual code intellisense slow keyboard response [Unhandled promise rejection: Error: SERVER_ERROR: [code] 1675030 [message]: Error performing query. [extra]: ] Got Http response code 401 when accessing https://api.paypal.com/v1/oauth2/token. http 504 Got Http response code 400 when accessing https://api.sandbox.paypal.com/v1/payments/payment. raise httperror(req.full_url, code, msg, hdrs, fp) urllib.error.httperror: http error 503: service unavailable LF will be replaced by CRLF in assets/handshake Cannot configure From email address for default email configuration (Service: AWSCognitoIdentityProviderService; Status Code: 400; Error Code: InvalidParameterException; Request ID stream_socket_enable_crypto(): ssl operation failed with code 1 docker run -d --hostname my-rabbit --name some-rabbit rabbitmq:3-management docker: Error response from daemon: Conflict. The container name "/some-rabbit" is already in use by container http invalid requeest code what is error code 400

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error during websocket handshake: unexpected response code: 502 failed: error during websocket handshake: unexpected response code: 400 cannot enqueue handshake after already enqueuing a handshake websocket._exceptions.WebSocketBadStatusException: Handshake status 500 Internal server error confluence kafka ERROR Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer) confluent kafka ERROR Fatal error during KafkaServer startup prepare to shutdown swift_transportexception expected response code 220 but got an empty response ActiveResource::UnauthorizedAccess: Failed. Response code = 401. Response message = Unauthorized ([API] Invalid API key or access token (unrecognized login or wrong password)) LF will be replaced by CRLF in assets/handshake error An unexpected error occurred: "https://registry.yarnpkg.com/@material-ui/icons/-/icons-4.11.2.tgz: ESOCKETTIMEDOUT". error importTsv SyntaxError: (hbase):4: syntax error, unexpected ',' swift_transportexception expected response code 250 but got code "530", with message "530 5.7.1 authentication required " syntax error, unexpected '-> how to test websocket API RTCDataChannel par Websocket WebSocket connection to 'wss://s-euw1b-nss-201.europe-west1.firebasedatabase.app/.ws?v=5&s=WKO6LXOUdJD93R9BqJdhZPJaZb2itgms&ns=oshop-dc8f0-default-rtdb' failed: ImportError: cannot import name 'WebSocketApp' from 'websocket' aws api gateway websocket send message {"websocket":true,"origins":["*:*"],"cookie_needed":false,"entropy":3606834148} What are optimization technique in spark or what optimization you have done during your spark project . How to handle exception if message lost during publishing to kafka where was delta squad during the attack of coruscant describe a challenges you faced during your last project To ignore duplicate keys during 'copy from' in postgresql fatal: cannot do a partial commit during a merge. keynote what Chart you manipulate during a presentation to change the information that is displayed: livewire datatable Delete column momentarily triggering confirmation dialog of last row during page load mule 4 headers is not allowed to be child of element error-response docker run -d --hostname my-rabbit --name some-rabbit rabbitmq:3-management docker: Error response from daemon: Conflict. The container name "/some-rabbit" is already in use by container Docker error response from daemon: manifest for jenkins latest not found null error due to delay in api response visual code intellisense slow keyboard response Got Http response code 401 when accessing https://api.paypal.com/v1/oauth2/token. {"traceId":"Try008","order Number":"BBD007654XYZ","response Code":"03","responseText":"Order Cancellation in-progress"} Got Http response code 400 when accessing https://api.sandbox.paypal.com/v1/payments/payment. ERROR Error: ASSERTION ERROR: Stored value should never be NO_CHANGE. Message could not be sent. Mailer Error: SMTP Error: data not accepted.SMTP server error: DATA END command failed Detail: h8alkc4CZK9H0 Spam Rejected raise httperror(req.full_url, code, msg, hdrs, fp) urllib.error.httperror: http error 503: service unavailable [Unhandled promise rejection: Error: SERVER_ERROR: [code] 1675030 [message]: Error performing query. [extra]: ] Cannot configure From email address for default email configuration (Service: AWSCognitoIdentityProviderService; Status Code: 400; Error Code: InvalidParameterException; Request ID Unexpected use of an unbound generic name fit_generator() got an unexpected keyword argument 'samples_per_epoch' npm ERR! Unexpected string in JSON at position 68741 while parsing '{ unexpected text late flutter got an unexpected keyword argument 'conf' Unexpected lock protocol found in lock file. Expected 3, found 0. 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Error: DOMException: Failed to execute 'addIceCandidate' on 'RTCPeerConnection': Error processing ICE candidate Fatal error: Uncaught GuzzleHttp\Exception\RequestException: cURL error 60: SSL certificate problem: unable to get local issuer certificate Assets\scrips\control.cs(21,61): error CS1003: Syntax error, ',' expected Facebook wordpress Login Error: There is an error in logging you into this application. Please try again later. company-list.component.html:251 ERROR Error: If ngModel is used within a form tag, either the name attribute must be set or the form control must be defined as 'standalone' in ngModelOptions. cv2.error: OpenCV(4.3.0) /io/opencv/modules/imgproc/src/drawing.cpp:2374: error: (-215:Assertion failed) p.checkVector(2, CV_32S) >= 0 in function 'fillPoly' ERROR: Could not send notifications com.cloudbees.jenkins.plugins.bitbucket.api.BitbucketRequestException: HTTP request error. Status: 403: Forbidden. Error: Error acquiring the state lock ERROR: Could not find a version that satisfies the requirement khabar>=1.1.3 (from cluster ensembles) (from version: 1.0) ERROR: No matching distribution found for hyper>=1.1.3 : new Database Error(message Value, length, name) ^ error: relation "teacher" does not exist Reloading app... events.js:292 throw er; // Unhandled 'error' event ^ Error: EMFILE: too many open files, watch events.js:292 throw er; // Unhandled 'error' event ^ Error: listen EADDRINUSE: address already in use :::3000 Error: Error Updating IAM Role (lambda_exec) Assume Role Policy: MalformedPolicyDocument: Missing required field Principal ERROR Error: Uncaught (in promise): NullInjectorError: StaticInjectorError[t -> t]: StaticInjectorError(Platform: core)[t -> t] 200 error code error: request failed with status code 400 what is error code 400 --compile --user --prefix=" failed with error code 1 in /tmp/pip-build-nmT4k7/psycopg2/ PHP Fatal error: Call to undefined function factory() in Psy Shell code on line 1, LARAVEL 8 Issue solved Error: Encountered bad status code (400) for https://d2ql0qc7j8u4b2.cloudfront.net/integration-cordova.tar.gz Error: Cannot find module 'prettier' for vs code apex at=error code=h10 desc="app crashed" method=get path="/" host indent code in vs code format code in vs code "write code to change the value of a pointer. write code to change the value to which the pointer points" How to beautify code in visual studio code How to align code in visual studio code error: Your local changes to the following files would be overwritten by checkout: bootstrap display error message Error: Your CLT does not support macOS 11.0. 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Database Error #1045: Access denied for user 'dvwa'@'localhost' (using password: NO). SSL error: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) mysqldump: got error: 1045: access denied for user internal server error heroku hide error display in jupyter bug defect error when using native base toast has error fontFamily "Roboto_medium" is not a system font and has not been loaded through Font.loadAsync. cloud run error: container failed to start. failed to start and then listen on the port defined by the port environment variable. 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HTTP ERROR 500 krakend 500 internal error tomcat, nginx, error 504 gateway timeout nginx ue4 null error com.netflix.zuul.exception.ZuulException: Forwarding error Error running adb raphael.min.js:1 Error: attribute d: Expected moveto path command ('M' or 'm'), "Z". spring thymeleaf configure error page net use error 67 how to fix a bracket error sayHello(); error: Uncaught ReferenceError: sayHello is not defined Error: "assume_role_policy" contains an invalid JSON: invalid character '"' after array element (PG::UndefinedTable: ERROR: relation "contacts" does not exis tr: write error: Broken pipe Snack error grafana proxy error: dial tcp 127.0.0.1:8086: connect: connection refused http error 400. the request hostname is invalid error: out-of-line declaration of a member must be a definition [-Wout-of-line-declaration] cudnn error: cudnn_status_not_initialized android studio nsis error

"error during websocket handshake: unexpected response code: 502" Code Answer's