500 Error: Failed to establish a backside connection deploying from DevOps Services to Bluemix - ibm-cloud

I am deploying an application from DevOps Services to Bluemix. I got a 500 Error: Failed to establish a backside connection from the deployment. I've never gotten this error before. The log button on the DevOps Services runbar is grayed out, so I'm not sure where to look on the DevOps Services side for more information. The application is created in Bluemix, but when I try to look in logs on the Bluemix side, there are no logs since the application isn't started, so I'm also not sure how to debug on the Bluemix side.
The application I forked is alchemyapplication. It uses the python buildpack. The project owner told me they got the deploy to work. I am seeing some recent commits, so it is possible there were some changes that went in since that broke this. Any help on where to begin looking to debug is appreciated.

by any chance , the application has any database dependency ? Recently I faced this issue where my database instance was not valid and the front end application throw this error of "Failed to establish a backside connection"

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Azure DevOps Pipelines - Deploy Cancelled

We had a service connection certificate expire last week so we created a new service connection and since then the deploy stage in our yaml pipeline will not run, the UI reports a status of cancelled and when I go into the logs this is all I see:
I've enabled system diagnostics which yielded nothing.
Has anyone encountered this before?
I've tried deleting and creating the service connection but that has not worked
after raging at the screen for a while, I remembered that I have a library that pulls in secrets from the key vault. The library was still using the original service connection (that was deleted). I updated the library to use the new service connection, re-authorised and the build then ran and deployed successfully.
An error message would of obviously been a massive help, its pretty bad that no logs appear in the build at all.

Understand the causes of the error message received in Azure DevOps

The developer who installed my Azure devops Git environment left a few months ago. My new developer doesn't really understand this environment.
We were using it already for several weeks, but yesterday I received an error message:
If I understood what my ex developer said, is that he placed an Agent in me remote desktop connected to my server which I have to activate (run as administrator) in order to deploy the Azure devOps releases.
But this time there is a "getaddrinfo ENOTFOUND" error which I don't understand an my new developer neither.
To narrow down the issue, please follow the items below:
Set variable system.debug to True in your pipeline, and click the error in your screenshot to check the detailed error log.
Go to the FTP service connection you are using in your pipeline, update the username and password, or create a new service connection to make sure your FTP server is connected.

problem occurred contacting the resource controller

I'm using IBM Cloud Node-Red and I'm trying to connect speech to text to my Node Red instance. I keep getting the following message "BXNUI0033E: The 'node-red-speechtotext-1590542039496' service wasn't added to the 'Node RED' app because a problem occurred contacting the resource controller.
Try again later. If you see this message again, go to the IBM Cloud status page to check whether a service or component has an issue. If the problem continues, go to IBM Cloud Support." Any suggestions?

Mobile first Custom Login Module adapter deployment failed Bluemix mfp Container

Hi I am trying to deploy the Custom Login application give in
Github
to Bluemix I deployed the .wlapp to the container. But I could not deploy the AuthAdapter provided. It is failing to get deployed.
Keeping that aside I tried to deploy the starter application provided in the
https://mobilefirstplatform.ibmcloud.com/tutorials/en/foundation/7.1/ibm-containers/sample-app/
It is giving Error shown is as below
The request is coming to my localhost mobilefirst server
What should I do to solve this problem and get the apps deployed on bluemix mfp container
How to deploy custom auth adapters which is not getting deployed to Bluemix
You did not mention if you are using the pre-configured evaluation container, or your own container.
Pre-configured: https://mobilefirstplatform.ibmcloud.com/tutorials/en/foundation/7.1/ibm-containers/evaluate/
Your own container: https://mobilefirstplatform.ibmcloud.com/tutorials/en/foundation/7.1/ibm-containers/run/
You can't open a question and say "deployment fails". It's not going to help anyone solve your problem. mention the error you're getting during the deployment attempt.
An "auth adapter" implies it is using some security test(s). If your server on Bluemix (see "your own container") was not configured correctly with said security test(s) in its authenticationConfig.xml file, this could fail an adapter deployment.
The screen shot in your question clearly shows a CORS issue. Chrome does not allow CORS (attempting to get data for different domains).
Make sure that your application points to the correct server - not your local host one, since you want to use your Bluemix server, right? So in its worklight.plist file or wlclient.properties file, make sure the wlHost property is pointing to the correct server.

Bluemix connect and compose - Failed to fetch list of bluemix services

I'm trying to use new Connect & Compose service on Bluemix. Compose seems to work all right, but when I choose DB in "Connect", and then tried to proceed vi "Next" button. But I got "Failed to fetch list of bluemix services" error message. See the screenshot below.
Failed to fetch list of bluemix services
Is there any prerequisite setting or some issues with my space ? (I suspect the later, since I have multiple services in my spaces).
Thanks in advance !
I've just tried to use the Connect & Compose service on Bluemix and I managed to connect to a SQL Database instance previously bound to an application. I have many services in my space, too. Probably you're right, there is a problem with your space, I suggest you to open a ticket to Bluemix Technical Support. Please note that this is a new BETA service. Refer to Bluemix - Getting customer support for further information.