org.codehaus.groovy.GroovyBugError: BUG! exception in phase 'semantic analysis' ... Unsupported class file major version 61

Question

The script was running before but after I left it for a while(a month) this error has been popping up.

org.codehaus.groovy.GroovyBugError: BUG! exception in phase 'semantic analysis' in source unit 'Script4.groovy' Unsupported class file major version 61
    at org.codehaus.groovy.control.CompilationUnit$ISourceUnitOperation.doPhaseOperation(CompilationUnit.java:905) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:627) ~[groovy-3.0.7.jar:3.0.7]
    at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:389) ~[groovy-3.0.7.jar:3.0.7]
    at groovy.lang.GroovyClassLoader.lambda$parseClass$3(GroovyClassLoader.java:332) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.runtime.memoize.StampedCommonCache.compute(StampedCommonCache.java:163) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.runtime.memoize.StampedCommonCache.getAndPut(StampedCommonCache.java:154) ~[groovy-3.0.7.jar:3.0.7]
    at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:330) ~[groovy-3.0.7.jar:3.0.7]
    at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:314) ~[groovy-3.0.7.jar:3.0.7]
    at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:257) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.getScriptClass(GroovyScriptEngineImpl.java:336) ~[groovy-jsr223-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.compile(GroovyScriptEngineImpl.java:181) ~[groovy-jsr223-3.0.7.jar:3.0.7]
    at org.apache.jmeter.util.JSR223TestElement.processFileOrScript(JSR223TestElement.java:211) ~[ApacheJMeter_core.jar:5.4.1]
    at org.apache.jmeter.extractor.JSR223PostProcessor.process(JSR223PostProcessor.java:45) ~


Caused by: java.lang.IllegalArgumentException: Unsupported class file major version 61
    at groovyjarjarasm.asm.ClassReader.<init>(ClassReader.java:189) ~[groovy-3.0.7.jar:3.0.7]
    at groovyjarjarasm.asm.ClassReader.<init>(ClassReader.java:170) ~[groovy-3.0.7.jar:3.0.7]
    at groovyjarjarasm.asm.ClassReader.<init>(ClassReader.java:156) ~[groovy-3.0.7.jar:3.0.7]
    at groovyjarjarasm.asm.ClassReader.<init>(ClassReader.java:277) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.ast.decompiled.AsmDecompiler.parseClass(AsmDecompiler.java:81) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.ClassNodeResolver.findDecompiled(ClassNodeResolver.java:251) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.ClassNodeResolver.tryAsLoaderClassOrScript(ClassNodeResolver.java:189) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.ClassNodeResolver.findClassNode(ClassNodeResolver.java:169) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.ClassNodeResolver.resolveName(ClassNodeResolver.java:125) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.ResolveVisitor.resolveToOuter(ResolveVisitor.java:871) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.ResolveVisitor.resolve(ResolveVisitor.java:506) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.ResolveVisitor.visitClass(ResolveVisitor.java:1432) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.ResolveVisitor.startResolving(ResolveVisitor.java:262) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.CompilationUnit.lambda$new$16(CompilationUnit.java:738) ~[groovy-3.0.7.jar:3.0.7]
    at org.codehaus.groovy.control.CompilationUnit$ISourceUnitOperation.doPhaseOperation(CompilationUnit.java:901) ~[groovy-3.0.7.jar:3.0.7]

I hope somebody could help me debug this issue

Answer 1

I think your system got update of the Java runtime to some new version which is not compatible with your version of JMeter.

Try downgrading your Java, the minimal version you can run JMeter 5.4 is Java 8