#How to manage JDK version
languid oasisBOT
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fleet burrow
I always wonder how can someone end up in a situation that it is bothersome. I understand it can be annoying that the version of Java currently used by a specific mechanism isn't on-screen at all times, which sometimes leads to the version not being the one expected and that is the non-obvious cause for an error
But, once you know that the version of Java needs to be not what it currently is, changing it and be done with it, I don't understand how do you end up somewhere that's a bother
daring oak
because only one can have the highest priority on JAVA_HOME and Path..?
obviously
and i don't particularly like managing those every time
stiff hornet
why do you want to switch jvm versions ? for compiling ?
daring oak
it's because different frameworks require different versions
sometimes it's 11, sometimes 17, some need 8 (kafka/hadoop)
and it's just a mess
with .NET they have it figured out and i don't need to fiddle with path every time i want to run something different
you just need the SDK installed and it uses the correct one
stiff hornet
sometimes it's 11, sometimes 17, some need 8 (kafka/hadoop)
When running the application using the framework or for compiling a program using the framework ?
stiff hornet
for compiling you can use the most recent version of the jvm (for example 17) and compile with the --release flag.
daring oak
so mvn clean install --release 8?
stiff hornet
so `mvn clean install --release 8`?
no --release 8 is an argument for the javac compiler not for maven.
daring oak
well
i'm gonna state the obvious and say, I use gradle and maven build tools when compiling
i don't use javac directly
stiff hornet
yeah but it should be possible to specify compiler args for javac using maven
stiff hornet
i don't use javac directly
add <maven.compiler.release>JAVA_VERSION</maven.compiler.release> to your properties in maven. Documentation can be found here: https://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-release.html
languid oasisBOT
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languid oasisBOT
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