java.lang.NoSuchMethodError: org.drools.core.common.ProjectClassLoader.storeClasses ----------------------------------------------------------------------------------- Key: DROOLS-5310 URL: https://issues.redhat.com/browse/DROOLS-5310 Project: Drools Issue Type: Bug Reporter: Balasubramanyam Nandula Assignee: Mario Fusco Priority: Major Labels: Hybris6.4.0.72RHDM7.4 SAP Hybris Platform Version: 6.4.0.7 | RHDM7.4 Libraries used as client for Rules Rest API JDK Version used in Hybris - 1.8 When integrating RHDM7.4 libraries for SAP Hybris e-commerce solution we got the following exception on server start up. Libraries modified are provided in step to reproduce section *+Runtime Server reported issue+* (...) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | ERROR [BatchSelfHealingItemsRunner] [PoolableThread] Problems executing de.hybris.platform.directpersistence.selfhealing.impl.DefaultSelfHealingService$BatchSelfHealingItemsScheduledRunnable@6cf2a843 : org.drools.core.common.ProjectClassLoader.storeClasses(Ljava/util/Map;)V INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | java.lang.NoSuchMethodError: org.drools.core.common.ProjectClassLoader.storeClasses(Ljava/util/Map;)V INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at org.drools.compiler.kie.builder.impl.KieModuleKieProject.init(KieModuleKieProject.java:66) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject(KieBuilderImpl.java:269) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:238) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:187) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.ruleengine.init.impl.DefaultRuleEngineKieModuleSwapper.createKieModule(DefaultRuleEngineKieModuleSwapper.java:279) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.ruleengine.init.impl.DefaultRuleEngineBootstrap.startup(DefaultRuleEngineBootstrap.java:73) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.ruleengine.event.OnTenantStartupProcessor.lambda$1(OnTenantStartupProcessor.java:111) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at java.util.ArrayList.forEach(ArrayList.java:1257) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.ruleengine.event.OnTenantStartupProcessor.activateRulesModules(OnTenantStartupProcessor.java:111) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.ruleengine.event.OnTenantStartupProcessor.processOnTenantStartup(OnTenantStartupProcessor.java:79) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.ruleengine.event.OnTenantStartupProcessor$DefaultRuleEngineTenantListener.afterTenantStartUp(OnTenantStartupProcessor.java:276) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.AbstractTenant.lambda$0(AbstractTenant.java:912) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.ClassLoaderUtils.executeWithWebClassLoaderParentIfNeeded(ClassLoaderUtils.java:34) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.AbstractTenant.executeStartupNotifyIfNecessary(AbstractTenant.java:898) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.AbstractTenant.executeInitsIfNecessary(AbstractTenant.java:1390) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.Registry.assureTenantStarted(Registry.java:667) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.Registry.activateTenant(Registry.java:708) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.Registry.setCurrentTenant(Registry.java:555) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.Registry.activateMasterTenant(Registry.java:615) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.Registry.activateMasterTenantAndFailIfAlreadySet(Registry.java:603) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.util.threadpool.ThreadPool.setTenant(ThreadPool.java:79) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.util.threadpool.PoolableThread.internalRun(PoolableThread.java:206) INFO | jvm 1 | main | 2020/05/09 22:21:47.953 | at de.hybris.platform.core.threadregistry.RegistrableThread.run(RegistrableThread.java:135) (...)"