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[marvin_kickuth]

Hi @kevinnay,

This error usually comes up when your network environment can’t get an IP to access hub.knime.com. This is likely due to corporate network restrictions.

You may need to configure a Proxy in the preferences, or may need to instruct KNIME to accept SSL certificates (needed for https connections) that may be pre-installed on your local machine by your IT.

To do the latter, append two entries to your knime.ini as seen here:

Help with the Extensions

Hello future reader I’d like to add one more option to the ones above when facing “PKIX path building failed” issues. Again, these issues are often caused by a company proxy intercepting SSL certificates in order to monitor encrypted traffic. Possibly, the proxy’s certificate has already been preconfigured in Windows by your IT. In that case you can simply instruct KNIME to use the Windows trust store. To do so, add these two lines at the end of the knime.ini file which is locat…

If needed, you can configure a proxy (details would be provided by your IT team) under Preferences > General > Network Connections. Here is an example:

Kind regards
Marvin