java.lang.RuntimeException

java.lang.RuntimeException: wrong class format

Samebug tips0

There are no available Samebug tips.

Don't give up yet. Paste your full stack trace to get a solution.

Solutions on the web76

  • via by Marek Posolda,
  • Stack trace

    • java.lang.RuntimeException: java.lang.RuntimeException: wrong class format at org.drools.template.parser.DefaultTemplateRuleBase.readRule(DefaultTemplateRuleBase.java:148) at org.drools.template.parser.DefaultTemplateRuleBase.<init>(DefaultTemplateRuleBase.java:62) at org.drools.template.parser.TemplateDataListener.<init>(TemplateDataListener.java:74) at org.drools.decisiontable.ExternalSpreadsheetCompiler.compile(ExternalSpreadsheetCompiler.java:95) at org.drools.decisiontable.ExternalSpreadsheetCompiler.compile(ExternalSpreadsheetCompiler.java:81) at org.drools.examples.templates.SimpleRuleTemplateExample.buildKBase(SimpleRuleTemplateExample.java:84) at org.drools.examples.templates.SimpleRuleTemplateExample.executeExample(SimpleRuleTemplateExample.java:49) at org.drools.examples.templates.SimpleRuleTemplateExample.main(SimpleRuleTemplateExample.java:43) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120) Caused by: java.lang.RuntimeException: wrong class format at org.drools.commons.jci.compilers.EclipseJavaCompiler$2.findType(EclipseJavaCompiler.java:263) at org.drools.commons.jci.compilers.EclipseJavaCompiler$2.findType(EclipseJavaCompiler.java:203) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType(LookupEnvironment.java:102) at org.eclipse.jdt.internal.compiler.lookup.UnresolvedReferenceBinding.resolve(UnresolvedReferenceBinding.java:49) at org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding.resolveType(BinaryTypeBinding.java:122) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.getTypeFromTypeSignature(LookupEnvironment.java:1188) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.getTypeFromVariantTypeSignature(LookupEnvironment.java:1244) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.getTypeArgumentsFromSignature(LookupEnvironment.java:1031) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.getTypeFromTypeSignature(LookupEnvironment.java:1193) at org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding.createMethod(BinaryTypeBinding.java:495) at org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding.createMethods(BinaryTypeBinding.java:577) at org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding.cachePartsFrom(BinaryTypeBinding.java:327) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.createBinaryTypeFrom(LookupEnvironment.java:640) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.createBinaryTypeFrom(LookupEnvironment.java:619) at org.eclipse.jdt.internal.compiler.Compiler.accept(Compiler.java:295) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType(LookupEnvironment.java:133) at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPackage(PackageBinding.java:183) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.findImport(CompilationUnitScope.java:465) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.findSingleImport(CompilationUnitScope.java:519) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.faultInImports(CompilationUnitScope.java:368) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.faultInTypes(CompilationUnitScope.java:444) at org.eclipse.jdt.internal.compiler.Compiler.process(Compiler.java:752) at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:464) at org.drools.commons.jci.compilers.EclipseJavaCompiler.compile(EclipseJavaCompiler.java:389) at org.drools.commons.jci.compilers.AbstractJavaCompiler.compile(AbstractJavaCompiler.java:49) at org.drools.rule.builder.dialect.java.JavaDialect.compileAll(JavaDialect.java:371) at org.drools.compiler.DialectCompiletimeRegistry.compileAll(DialectCompiletimeRegistry.java:46) at org.drools.compiler.PackageRegistry.compileAll(PackageRegistry.java:102) at org.drools.compiler.PackageBuilder.compileAll(PackageBuilder.java:1006) at org.drools.compiler.PackageBuilder.compileAllRules(PackageBuilder.java:842) at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:831) at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:441) at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:419) at org.drools.template.parser.DefaultTemplateRuleBase.readRule(DefaultTemplateRuleBase.java:139) ... 12 more Caused by: org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException at org.eclipse.jdt.internal.compiler.classfmt.ClassFileReader.<init>(ClassFileReader.java:372) at org.drools.commons.jci.compilers.EclipseJavaCompiler$2.createNameEnvironmentAnswer(EclipseJavaCompiler.java:287) at org.drools.commons.jci.compilers.EclipseJavaCompiler$2.findType(EclipseJavaCompiler.java:258) ... 45 more

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    Unknown visitor
    Unknown visitor1 times, last one,
    Unknown visitor
    Unknown visitor1 times, last one,
    Unknown visitor
    Unknown visitor1 times, last one,
    Unknown visitor
    Unknown visitor1 times, last one,
    Unknown visitor
    Unknown visitor1 times, last one,
    2 more bugmates