Upgrades and updates not available

[PBJ]

Hello,

For the past few weeks, we have not been able to install new extensions or perform KNIME updates.

It seems that the firewall rules of our institution have been changed and no longer allow requests to KNIME and NodePit sites.

We are able to install extensions when they are downloadable (archive files).

This is not sustainable in the long term for day-to-day use of the platform. Indeed, the automatic update mechanisms of KNIME and the installation of extensions allow easy and quick use of the platform’s features.

How could we avoid this problem and which certificates should possibly be validated by the firewall manager?

[rfeigel]

Assuming your IT group will permit, have you tried whitelisting the update URLs?

[steffen_KNIME]

Hi @PBJ ,

did you have a look at the PKIX related solutions already? HTTPS GET Request to MISP - Error: PKIX path building failed - #3 by marvin_kickuth

Let me know whether that helped.

Best regards
Steffen

[PBJ]

I’m going to the KNIME’s upgrade site with Chrome and save the certificate. I’m using the command from the KNIME’s installation directory: keytool -import -trustcacerts -alias KNIME-CERT -file “the_Certificate_Dowload_path” -keystore cacerts I write the password “changeit” and the upgrades sites are available now. I add also the two lines:

“-Djavax.net.ssl.trustStore=NONE
-Djavax.net.ssl.trustStoreType=WINDOWS-ROOT

at the end of “Knime.ini” file and it’s OK.

Thanks.