unable to open the web application (*.ctf file) web sever

Hi,

I'm trying to load simple web application, but unable to load/view it on web app local server.

please find the error on screenshot attached.

[Kojiro Saito]

Could you check the log files?

Logs are located in C:\ProgramData\MathWorks\webapps\R2020b\logs by default in Windows.

If you're using other OS, please check the log folders as described in the following document.

MATLAB Web App Server Folder Locations

There are "webapps_yyyymmdd_xxx.log" files and you may get error messages in detail.

[Kishore Babu Kavuru]

thanks @Kojiro Saito!!

I could see a connection error, can you help in sorting the same. fyr.. attached the log file.

00000424 2021-07-09 15:31:03 0x00001a28 agent::connectorproxy V EmbeddedConnectorMessage received

00000425 2021-07-09 15:31:03 0x00001a28 agent::connectorproxy W Embedded Connector Connection (id: 00000000-0000-0000-0000-000000000000) not found.

00000426 2021-07-09 15:31:03 0x000009a8 agent::mdwas W EmbeddedConnectorRequest::sendEvalFunctionRequest(webappTerminateApp): sendMessageToEmbeddedConnector failed: Could not find embedded connector connection ID

00000427 2021-07-09 15:31:03 0x000009a8 agent::mdwas E MDWASServiceImpl::stopSession Failed to send termination request for process 5cd343ab-cb3c-4e9d-bcf6-a3c987f3afa4 for session 81cf84a7-c95d-45c8-b742-73b4a94e858b

00000428 2021-07-09 15:31:03 0x00001a28 agent::connectorproxy V OpenEmbeddedConnectorChannel received

00000429 2021-07-09 15:31:19 0x00001fdc agent::httpserver V Incoming connection: 127.0.0.1:61731, on 127.0.0.1:27182/connectorproxy/control

00000430 2021-07-09 15:31:37 0x00001fdc agent::httpserver V Incoming connection: 127.0.0.1:61734, on 127.0.0.1:27182/webapps/commands

00000431 2021-07-09 15:31:37 0x000066f4 agent::mdwas V Completed all prewarming requests

[Kojiro Saito]

@Kishore Babu Kavuru

Thank you, I've checked the log and found an issue in webapps_launcher log.

00000015 2021-07-09 09:49:49 0x000060ec agent::processcontrol::out V processID=f53e2e63-f1ee-4e23-9e76-50ba3def089f, out=The server returned the status 403 with message "Forbidden" in response to the request to URL https://127.0.0.1:27182/webapps/commands.

Two questions,

(1) Are you using development version of MATLAB Web App Server? I mean, you've installed it from MATLABWebAppServerSetup.exe in "toolbox\compiler\deploy\win64\MATLABWebAppServerSetup"?

(2) In your MATLAB preferences, are you setting proxy server information on MATLAB Web Prefereces?