I get this problem Using IntelliJ. But I have the newest version of everything newly installed on my system.
... has been compiled by a more recent version of the Java Runtime (class file version 57.0), this version of the Java Runtime only recognizes class file versions up to 52.0
PATH as C:\Program Files\Java\jdk-13 JAVA_HOME as: C:\Program Files\Java\jdk-13 JRE_HOME as: C:\Program Files\Java\jre1.8.0_221
I've set the path, tried to find a change in the Project structure
COMPLETE ERROR MESSAGE:
H:\087-JAVA\HelloWorld\src>java com.codewithmosh.Main Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedClassVersionError: com/codewithmosh/Main has been compiled by a more recent version of the Java Runtime (class file version 57.0), this version of the Java Runtime only recognizes class file versions up to 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
You need to double check the
PATH environment setting.
C:\Program Files\Java\jdk-13 you currently have there is not correct. Please make sure you have the
bin subdirectory for the latest JDK version at the top of the
java.exe executable is in
C:\Program Files\Java\jdk-13\bin directory, so that is what you need to have in
Use this tool to quickly verify or edit the environment variables on Windows. It allows to reorder
PATH entries. It will also highlight invalid paths in red.
If you want your code to run on lower JDK versions as well, change the target bytecode version in the IDE. See this answer for the relevant screenshots.
See also this answer for the Java class file versions. What happens is that you build the code with Java 13 and 13 language level bytecode (target) and try to run it with Java 8 which is the first (default) Java version according to the
PATH variable configuration.
The solution is to have Java 13
bin directory in
PATH above or instead of Java 8. On Windows you may have
C:\Program Files (x86)\Common Files\Oracle\Java\javapath added to
PATH automatically which points to Java 8 now:
If it's the case, remove the highlighted part from
PATH and then logout/login or reboot for the changes to have effect. You need to Restart as administrator first to be able to edit the System variables (see the button on the top right of the system variables column).
I also encountered similar problem which is asked here. The issue was that some applications come with their own JRE and sometimes the installed JDK appears at lower priority level in environment path. Now there are two options:
I also removed the path as suggested by @CrazyCoder
I was facing same problem when I installed JRE by Oracle and solved this problem after my research.
I moved the environment path
C:\Program Files (x86)\Common Files\Oracle\Java\javapath below
C:\Program Files (x86)\Common Files\Oracle\Java\javapath
I had similar problem with IntelliJ when tried to run some Groovy scripts. Here is how I solved it.
Go to "Project Structure"-> "Project" -> "Project language level" and select "SDK default". This should use the same SDK for all project modules.
This is a setting in IntelliJ IDEA (
$JAVA_HOME and language level were set to 1.8):
Build, Execution, Deployment >
Project SDK (corretto-1.8) (or any other compatible version).
Then delete the
build directory and restart the IDE.
I have run into this issue When I recently upgraded my IntelliJ version to
2020.3. I had to disable a plugin to solve this issue. The name of the plugin is
Steps to disable the plugin is following:
Command + ,in mac.
Thrift Supportplugin in the search window. Click on the tick box icon to deselect it.
For more detail please refer to this link java.lang.UnsupportedClassVersionError 2020.3 version intellij. I found this comment in the above link which has worked for me.
bin zhao commented 31 Dec 2020 08:00 @Lejia Chen @Tobias Schulmann Workflow My IDEA3.X didn't installed Erlang plugin, I disabled Thrift Support 1.4.0 and it worked. Both IDEA 3.0 and 3.1 have the same problem.
The problem is that you compiled the code with java 13 (class file 57), and the java runtime is set to java 8 (class file 52).
Assuming you have the JRE 13 installed in your local system, you could change your runtime from 52 to 57. That you can do with the plugin Choose Runtime. To install it go to File/Settings/Plugins
Once installed go to Help/Find Action, type "runtime" and select the jre 13 from the dropdown menu.
For me it worked after removing the