Hacep on Openshift 4.3 with Drools 7.34.0-SNAPSHOT error on startup ------------------------------------------------------------------- Key: DROOLS-5114 URL: https://issues.redhat.com/browse/DROOLS-5114 Project: Drools Issue Type: Bug Reporter: Massimiliano Dessi Assignee: Massimiliano Dessi Priority: Major Dockerfile use java-1.8.0-openjdk-headless the project is build using open jdk 1.8 but at the pod startup the following stacktrace is printed in the log and prevent the pod to start correctly java.lang.UnsupportedClassVersionError: org/drools/cep/Rule_StockAverage302521058AccumulateExpression0Invoker 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:757) at org.drools.core.rule.JavaDialectRuntimeData$PackageClassLoader.internalDefineClass(JavaDialectRuntimeData.java:617) at org.drools.core.rule.JavaDialectRuntimeData$PackageClassLoader.fastFindClass(JavaDialectRuntimeData.java:588) at org.drools.core.rule.JavaDialectRuntimeData$PackageClassLoader.loadClass(JavaDialectRuntimeData.java:565) at java.lang.ClassLoader.loadClass(ClassLoader.java:352) at org.drools.core.rule.JavaDialectRuntimeData.wire(JavaDialectRuntimeData.java:459) at org.drools.core.rule.JavaDialectRuntimeData.wire(JavaDialectRuntimeData.java:450) at org.drools.core.rule.JavaDialectRuntimeData.wireAll(JavaDialectRuntimeData.java:280) at org.drools.core.rule.JavaDialectRuntimeData.onBeforeExecute(JavaDialectRuntimeData.java:252) at org.drools.core.rule.DialectRuntimeRegistry.onBeforeExecute(DialectRuntimeRegistry.java:137) at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.reloadAll(KnowledgeBuilderImpl.java:1448) at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.wireAllRules(KnowledgeBuilderImpl.java:927) at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.buildRules(KnowledgeBuilderImpl.java:2504) at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.buildPackages(KnowledgeBuilderImpl.java:2428) at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:106) at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:98) at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages(AbstractKieProject.java:261) at org.drools.compiler.kie.builder.impl.AbstractKieModule.buildKnowledgePackages(AbstractKieModule.java:195) at org.drools.compiler.kie.builder.impl.AbstractKieModule.createKieBase(AbstractKieModule.java:209) at org.drools.compiler.kie.builder.impl.KieContainerImpl.createKieBase(KieContainerImpl.java:407) at org.drools.compiler.kie.builder.impl.KieContainerImpl.getKieBase(KieContainerImpl.java:375) at org.drools.compiler.kie.builder.impl.KieContainerImpl.getKieBaseFromKieSessionModel(KieContainerImpl.java:560) at org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieSession(KieContainerImpl.java:536) at org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieSession(KieContainerImpl.java:459) at org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieSession(KieContainerImpl.java:442) at org.kie.hacep.consumer.DroolsConsumerHandler.createAndInitializeSessionContextWithoutSnapshot(DroolsConsumerHandler.java:89) at org.kie.hacep.consumer.DroolsConsumerHandler.initializeKieSessionContext(DroolsConsumerHandler.java:69) at org.kie.hacep.consumer.DroolsConsumerHandler.<init>(DroolsConsumerHandler.java:57) at org.kie.hacep.core.infra.consumer.ConsumerController.<init>(ConsumerController.java:33) at org.kie.hacep.core.Bootstrap.startConsumers(Bootstrap.java:102) at org.kie.hacep.core.Bootstrap.startEngine(Bootstrap.java:47) at org.kie.hacep.endpoint.bootstrap.BootstrapListener.initServices(BootstrapListener.java:37) at org.kie.hacep.endpoint.bootstrap.BootstrapListener.contextInitialized(BootstrapListener.java:33) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4683) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5146) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)