> > I suspect you should be able to upgrade your Tomcat from 7 to 10 in one > shot, but you might want to go from 7->9 and wait a little on 10. > Yes, it is! but not in a production environment. I want to upgrade in only one shot.
On Thu, May 26, 2022 at 8:32 PM Christopher Schultz < ch...@christopherschultz.net> wrote: > Rodrigo, > > On 5/26/22 17:16, Rodrigo Cunha wrote: > > i need upgrade my tomcat server from 7 to 10. I don't saw in internet > > nothing about that. Commonly i upgraded in steps, 7 to 8, 8 to 9 and 9 to > > 10. > > Are there a problem upgrade from 7 to 10? > > I suspect you should be able to upgrade your Tomcat from 7 to 10 in one > shot, but you might want to go from 7->9 and wait a little on 10. > > Why? > > Tomcat 10 is significantly different because it implements a new version > of the servlet and related specifications, including switching package > names, etc. There *is* an automated conversion tool that can be used at > deployment-time to convert your pre-Jakarta-EE application to a > Jakarta-EE application, but you might not want to trust it immediately > in production without a whole lot of testing. So I recommend Tomcat 9 at > first. > > YMMV > > Something that is critically important is that, when upgrading, you > don't even try to re-use the existing server.xml file you have for your > Tomcat 7 installation. Instead, look at the differences between your > current server.xml file and an unmodified one from the original > distribution of Tomcat 7, and make some notes. Then, make similar > changes to the original server.xml file from the new Tomcat. > > -chris > -- Atenciosamente, Rodrigo da Silva Cunha São Gonçalo, RJ - Brasil
