.Net5 analysis java error

Hello there
I installed sonarqube 7.4 community editioin on ubuntu and server is finaaly up.

I’m trying to analyse .Net 5 Project after launching

dotnet sonarscanner begin /k:"MyProject" /d:sonar.host.url="http://192.168.1.68:9000"  /d:sonar.login="sqp_da611db9ae5493d9a7546d4651bc3acdee7593bc"

dotnet build
the two commands work well.
the last one
dotnet sonarscanner end /d:sonar.login="sqp_da611db9ae5493d9a7546d4651bc3acdee7593bc"

returns this error:

ERROR: Error during SonarQube Scanner execution
INFO: ------------------------------------------------------------------------
java.lang.UnsupportedClassVersionError: org/sonar/batch/bootstrapper/EnvironmentInformation has been compiled by a more recent version of the Java Runtime (class file version 55.0), 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(ClassLoader.java:756)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
        at org.sonarsource.scanner.api.internal.IsolatedClassloader.loadClass(IsolatedClassloader.java:82)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        at org.sonarsource.scanner.api.internal.batch.DefaultBatchFactory.createBatch(DefaultBatchFactory.java:32)
        at org.sonarsource.scanner.api.internal.batch.BatchIsolatedLauncher.execute(BatchIsolatedLauncher.java:46)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.sonarsource.scanner.api.internal.IsolatedLauncherProxy.invoke(IsolatedLauncherProxy.java:60)
        at com.sun.proxy.$Proxy0.execute(Unknown Source)
        at org.sonarsource.scanner.api.EmbeddedScanner.doExecute(EmbeddedScanner.java:185)
        at org.sonarsource.scanner.api.EmbeddedScanner.execute(EmbeddedScanner.java:137)
        at org.sonarsource.scanner.cli.Main.execute(Main.java:112)
        at org.sonarsource.scanner.cli.Main.execute(Main.java:75)
        at org.sonarsource.scanner.cli.Main.main(Main.java:61)
ERROR:
The SonarQube Scanner did not complete successfully
16:54:06.769  Post-processing failed. Exit code: 1

Any help please?

Hi,

Did you mean that you installed 9.4? Because 7.4 is incredibly past EOL.

And the error you’re getting indicates you’re using Java 11 with a scanner version that’s only compatible up to Java 8. So it looks like you need to upgrade your scanner.

 
HTH,
Ann