Issue
Task :compileJava FAILED
FAILURE: Build failed with an exception.
- What went wrong: Execution failed for task ':compileJava'.
error: invalid source release: 17
I have spent more than 5-6 hours fixing this issue. Due to this i am not able to run my application. Please help me out so that i can proceed
update: I am able to create build successfully in eclipse. but now it is failing with error Error: Could not find or load main class com.abc.ABCServiceApp Caused by: java.lang.ClassNotFoundException: com.abc.ABCServiceApp
and build is still failing through terminal with the same error C:\Users\user\Documents\abc\def\xyzservice>gradle build
Task :compileJava FAILED
FAILURE: Build failed with an exception.
- What went wrong: Execution failed for task ':compileJava'.
error: invalid source release: 17
- Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
- Get more help at https://help.gradle.org
Deprecated Gradle features were used in this build, making it incompatible with Gradle 8.0.
You can use '--warning-mode all' to show the individual deprecation warnings and determine if they come from your own scripts or plugins.
See https://docs.gradle.org/7.3.3/userguide/command_line_interface.html#sec:command_line_warnings
BUILD FAILED in 3s 3 actionable tasks: 1 executed, 2 up-to-date
Update: i want to run this project usinh openJDK-15 C:\Users\user1>java -version openjdk version "15" 2020-09-15 OpenJDK Runtime Environment (build 15+36-1562) OpenJDK 64-Bit Server VM (build 15+36-1562, mixed mode, sharing)
Update:
i think below is the problem. i want to run my application with java 15, but it is set to java 17, i tried changing it back to 15, but it again get set to 17
Update: lost my patience. Installed another eclipse and it workimg now
Solution
It was a IDE issue, somehow it was picking Java17 even though after setting it to 15. Thank you all for your reply. It helped at least to know the root cause. I uninstalled the eclipse and re-installed a fresh one. It works now
Answered By - lucky
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