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NetXMS Support Forum

English Support => General Support => Topic started by: Annihilator on March 20, 2020, 04:26:54 PM

Title: Server and Java Console mismatch
Post by: Annihilator on March 20, 2020, 04:26:54 PM
Just upgraded to NetXMS version 3.2.400 from the Debian buster repository and also updated the web console with the following release:
https://www.netxms.org/download/releases/3.2/nxmc-3.2.400.war

Unfortunately, have been unable to connect to the NetXMS service via the web console; it gives the following error:
Server uses incompatible version of communication protocol (server=[52, 4, 1, 1, 1, 27, 1, 2] client=[52, 3, 1, 1, 1, 26, 1, 2])

Please assist.
Title: Re: Server and Java Console mismatch
Post by: Filipp Sudanov on March 23, 2020, 04:12:15 PM
First of all, please try to undeploy and deploy again the web console.
Title: Re: Server and Java Console mismatch
Post by: Annihilator on March 23, 2020, 09:54:21 PM
Tried, several times. No effect. Tried older versions as well - didn't help.
Title: Re: Server and Java Console mismatch
Post by: Victor Kirhenshtein on March 24, 2020, 01:30:11 PM
Just checked that exact file - works correctly with server 3.2.400. When you are on login screen, what version is displayed in bottom right corner?

Best regards,
Victor
Title: Re: Server and Java Console mismatch
Post by: Annihilator on March 24, 2020, 03:16:49 PM
3.1.241 is displayed.
This pointed me towards the culprit: /var/cache/tomcat9 had the old cached information, which I now purged manually, and everything works now. Never had this kind of issue when upgrading previously.
Thank you.
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