20 lines
987 B
Markdown
20 lines
987 B
Markdown
---
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layout: documentation
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title: Developer Tools - Log Viewer
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---
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# Developer Tools - Log Viewer
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<!-- START MAINUI SIDEBAR DOC - DO NOT REMOVE -->
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Main UI provides an integrated log viewer that allows to view the logs of the openHAB server.
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It provides filtering and highlighting capabilities, as well as download and copy options.
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As the log viewer is using WebSockets to receive log messages, some restrictions apply:
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- Fancy firewall rules or proxies may block the WebSocket connection.
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- When using HTTPS with a self-signed certificate, your browser may block the WebSocket connection.
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In some browsers, it is possible to bypass this restriction by setting hidden flags, but unfortunately, this is not possible in all browsers.
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The only real solution is to use a valid certificate from a trusted certificate authority, which however either requires having a publicly accessible server (not recommended) or having your own CA.
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<!-- END MAINUI SIDEBAR DOC - DO NOT REMOVE -->
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