While we're on the topic of IntelliJ, highly recommend that people try out that new font that Jetbrains released for developers:
https://www.jetbrains.com/lp/mono/#how-to-install So far for me on a MBP, it really does seem to make things even clearer and easier to read. On Wed, Jan 29, 2020 at 4:31 PM Jeff <[email protected]> wrote: > Hi Mark, > > IntelliJ IDEA seems to implicitly activate the "jigsaw" profile with a > "light" checkmark if it thinks you have Java 11 installed versus a "bold" > checkmark if you've clicked that profile to be enabled explicitly. Make > sure that profile is unchecked, and make IDEA rebuild. That should get you > back to having your classes compiled with Java 8. > > On Wed, Jan 29, 2020 at 4:23 PM Mark Bean <[email protected]> wrote: > > > I'm having trouble with IntelliJ setting the proper language level. Has > > anyone else seen the following behavior? > > > > IntelliJ 2019.3.2 (Community Edition) > > installed from ideaIC-2019.3.2-no-jbr.tar.gz > > > > File > Project Structure > Platform Settings > SDKs > > - Only 1.8 is loaded > > File > Project Structure > Project Settings > Project > > - Project SDK = 1.8 > > - Project language level = 8 - Lambdas, type annotations etc. > > File > Project Structure > Project Settings > Modules > > - Every module lists "Language level" as "11 - Local variable syntax > for > > lambda paramters" > > File > Settings > Build, Execution, Deployment > Build Tools > Maven > > > Importing > > - JDK for importer = 1.8 > > > > I go to File > Settings > Build, Execution, Deployment > Compiler > Java > > Compiler > > - Project bytecode version = 8 > > - Select all modules and remove them > > - Apply > > From Project view, select root level pom.xml > Maven > Reimport > > Return to File > Settings > Build, Execution, Deployment > Compiler > > Java > > Compiler > > - All modules have returned and have a Target bytecode version of 11 > > > > At this point, I can't run unit tests in IntelliJ. I get an error "Error: > > java: invalid source release: 11" > > > > I could just use Java 11, but I'm curious if this is related to the > jigsaw > > profile. When I remove the <activation> from the jigsaw profile, I get > the > > above behavior. When I remove both the activation and the properties > > (maven.compiler.sorce and maven.compiler.target), then I can get the > > language level to remain at 1.8. > > > > It appears the jigaw profile may be activating all the time. Or, maybe > > IntelliJ is presenting the incorrect JDK version? > > > > -Mark > > >
