Boerj2 at 16:22, 1 December 2023

2023-12-01T16:22:00Z

← Older revision		Revision as of 12:22, 1 December 2023
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	[[File:WebView with SSL enabled.png]]		[[File:WebView with SSL enabled.png]]

			=== WebView is unable to be launched: ===
			When trying to launch WebView from the Cogent DataHub properties window, error 2 occurs as below:

			[[File:Cogent DataHub Error 2.png]]

			==== Resolution: ====
			See the section above on configurations for the web server. This occurs only when the web server is not correctly configured.

	=== WebView is unable to load controls: ===		=== WebView is unable to load controls: ===

Boerj2: Created page with "== Errors: == === WebView is unable to connect to the server: === When launching WebView, the background is white and the HMI software shows a yellow exclamation mark as below: File:WebView connection settings - Connection failure.png ==== Resolution: ==== ===== Without SSL: ===== # Close WebView # Open Cogent DataHub properties # Uncheck the ''Act as a web server'' checkbox # Change the port to 8085 # Uncheck the ''Use secure sockets (SSL)'' checkbox # Click '..."

2023-12-01T16:17:46Z

Created page with "== Errors: == === WebView is unable to connect to the server: === When launching WebView, the background is white and the HMI software shows a yellow exclamation mark as below: File:WebView connection settings - Connection failure.png ==== Resolution: ==== ===== Without SSL: ===== # Close WebView # Open Cogent DataHub properties # Uncheck the ''Act as a web server'' checkbox # Change the port to 8085 # Uncheck the ''Use secure sockets (SSL)'' checkbox # Click '..."

New page

== Errors: ==

=== WebView is unable to connect to the server: ===
When launching WebView, the background is white and the HMI software shows a yellow exclamation mark as below:

[[File:WebView connection settings - Connection failure.png]]

==== Resolution: ====

===== Without SSL: =====

# Close WebView
# Open Cogent DataHub properties
# Uncheck the ''Act as a web server'' checkbox
# Change the port to 8085
# Uncheck the ''Use secure sockets (SSL)'' checkbox
# Click '''Apply'''
# Check the ''Act as a webserver'' checkbox
# Click '''OK''' (This closes the properties window)
# Launch WebView again
# Click the dropdown button for Advanced settings
# Change the port to the port that was entered i.e. 8085
# Uncheck the ''Use HTTPS'' checkbox
# The background should appear alongside a green checkmark as below:

[[File:WebView port correction without SSL.png]]

===== With SSL : =====

# Close WebView
# Open Cogent DataHub properties
# Uncheck the ''Act as a web server'' checkbox
# Change the port to 8443
# Check the ''Use secure sockets (SSL)'' checkbox
# Ensure that the SSL Certificate file is:<syntaxhighlight lang="text">
C:\Program Files\Cogent\Cogent DataHub\Plugin\WebServer\etc\datahub.pem
</syntaxhighlight>
# Click on '''Apply'''
# Check the ''Act as a web server'' checkbox
# Click on '''OK''' (This will close the properties)
# Launch WebView again
# Click the dropdown button for Advanced settings
# Change the port to the port that was entered i.e. 8443
# Check the ''Use HTTPS'' checkbox
# Check the ''Accept Untrusted Certificates'' checkbox
# The background should appear alongside a green checkmark as below:

[[File:WebView with SSL enabled.png]]

=== WebView is unable to load controls: ===
There is an error loading WebView HMI software showing the notification below:

[[File:WebView Controls loading Failure.png]]

==== Resolution ====

# Click ok on all notifications
# Close WebView
# Open the Cogent DataHub properties
# Set the Document root directory to:<syntaxhighlight lang="text">
C:\Program Files\Cogent\Cogent DataHub\plugin\WebServer\html
</syntaxhighlight>
# Click OK (This closes Cogent DataHub Properties)
# Launch WebView again
# Log in using the provided credentials

=== Successful configuration example: ===
[[File:WebView Successful configuration .png]]

===== SSL Disabled configuration =====

* '''Port''': 8085
* '''SSL''': Unchecked
* '''Root Directory''': C:\Program Files\Cogent\Cogent DataHub\plugin\WebServer\html
* '''Error Log''': C:\Users\''MacID''\AppData\Roaming\Cogent DataHub\log\error.log
* '''Access Log''': C:\Users\''MacID''\AppData\Roaming\Cogent DataHub\log\access.log

===== SSL Enabled Configuration: =====

* '''Port''': 8443
* '''SSL''': Checked
* '''Root Directory''': C:\Program Files\Cogent\Cogent DataHub\plugin\WebServer\html
* '''Error Log''': C:\Users\''MacID''\AppData\Roaming\Cogent DataHub\log\error.log
* '''Access Log''': C:\Users\''MacID''\AppData\Roaming\Cogent DataHub\log\access.log
* '''SSL Certificate File''': C:\Program Files\Cogent\Cogent DataHub\Plugin\WebServer\etc\datahub.pem

Note: Replace ''MacID '''with your''''' MacID

WebView Controls - Revision history

Boerj2 at 16:22, 1 December 2023