java.lang.UnsupportedClassVersionError: coolsquid/squidapi/asm/SquidAPIPlugin : Unsupported major.minor version 51.0

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This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default. You might upgrade java or use an older version of SonarQube.

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If you're using intellij plugin of sonarqube, you might have to set the JAVA_HOME ambient variable manually.

Solutions on the web

via GitHub by MsDovy
, 1 year ago
coolsquid/squidapi/asm/SquidAPIPlugin : Unsupported major.minor version 51.0
via GitHub by Jackozzy
, 1 year ago
cofh/asm/LoadingPlugin : Unsupported major.minor version 51.0
via GitHub by ItsCuttoxs
, 1 year ago
cofh/asm/LoadingPlugin : Unsupported major.minor version 51.0
via GitHub by gatekeeper258
, 2 years ago
net/malisis/core/asm/MalisisCorePlugin : Unsupported major.minor version 51.0
via GitHub by Vinny0thegamer
, 2 years ago
mekanism/common/asm/LoadingHook : Unsupported major.minor version 51.0
java.lang.UnsupportedClassVersionError: coolsquid/squidapi/asm/SquidAPIPlugin : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)
at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:460)
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:389)
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:221)
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:126)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)

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