如何解决从 Drools 5.1.1 升级到 7.25.0.Final 时出现 ClassNotFoundException
在将项目从 drools 5.1.1 升级到 7.25.0.Final 版本时，面临以下运行时问题。请告诉我解决此问题的解决方案
<!-- Drools dependencies -->
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-api</artifactId>
<version>5.1.1</version>
</dependency>
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-compiler</artifactId>
<version>7.25.0.Final</version>
</dependency>
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-core</artifactId>
<version>7.25.0.Final</version>
</dependency>
<!-- /Drools dependencies -->
错误 ::
Caused by: java.lang.IllegalArgumentException: Unable to instantiate service for Class 'org.drools.builder.KNowledgeBuilderFactoryService'
at org.drools.util.ServiceRegistryImpl.get(ServiceRegistryImpl.java:161)
at org.drools.builder.KNowledgeBuilderFactory.loadServiceFactory(KNowledgeBuilderFactory.java:131)
at org.drools.builder.KNowledgeBuilderFactory.getKNowledgeBuilderServiceFactory(KNowledgeBuilderFactory.java:125)
at org.drools.builder.KNowledgeBuilderFactory.newKNowledgeBuilder(KNowledgeBuilderFactory.java:47)
at com.csc.exceed.drools.util.CMSDroolsManager.<init>(CMSDroolsManager.java:25)
at com.csc.exceed.drools.util.CMSDroolsManager.<clinit>(CMSDroolsManager.java:22)
... 35 more
Caused by: java.lang.IllegalArgumentException: Unable to instantiate 'org.drools.builder.impl.KNowledgeBuilderFactoryServiceImpl'
at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.newInstance(ServiceRegistryImpl.java:209)
at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.call(ServiceRegistryImpl.java:201)
at org.drools.util.ServiceRegistryImpl.get(ServiceRegistryImpl.java:159)
... 40 more
Caused by: java.lang.classNotFoundException: org.drools.builder.impl.KNowledgeBuilderFactoryServiceImpl
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1365)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188)
at java.base/java.lang.class.forName0(Native Method)
at java.base/java.lang.class.forName(Class.java:315)
at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.newInstance(ServiceRegistryImpl.java:206)
... 42 more
Mar 18,2021 10:08:48 AM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet [ControllerServlet] in web application [/certificates_business] threw load() exception
java.lang.classNotFoundException: org.drools.builder.impl.KNowledgeBuilderFactoryServiceImpl
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1365)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188)
at java.base/java.lang.class.forName0(Native Method)
at java.base/java.lang.class.forName(Class.java:315)
at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.newInstance(ServiceRegistryImpl.java:206)
at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.call(ServiceRegistryImpl.java:201)
at org.drools.util.ServiceRegistryImpl.get(ServiceRegistryImpl.java:159)
at org.drools.builder.KNowledgeBuilderFactory.loadServiceFactory(KNowledgeBuilderFactory.java:131)
at org.drools.builder.KNowledgeBuilderFactory.getKNowledgeBuilderServiceFactory(KNowledgeBuilderFactory.java:125)
at org.drools.builder.KNowledgeBuilderFactory.newKNowledgeBuilder(KNowledgeBuilderFactory.java:47)
at com.csc.exceed.drools.util.CMSDroolsManager.<init>(CMSDroolsManager.java:25)
at com.csc.exceed.drools.util.CMSDroolsManager.<clinit>(CMSDroolsManager.java:22)
at com.csc.exceed.controller.ControllerServlet.init(ControllerServlet.java:39)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1122)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1077)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:971)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4868)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5177)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$startChild.call(ContainerBase.java:1384)
at org.apache.catalina.core.ContainerBase$startChild.call(ContainerBase.java:1374)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$startChild.call(ContainerBase.java:1384)
at org.apache.catalina.core.ContainerBase$startChild.call(ContainerBase.java:1374)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:932)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
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