我正在尝试编写一个 JBPM 流程，其中包含一个向 RabbitMQ 发送消息的任务。
在这样做之前，我编写了一个 Java 程序来编写相同的消息，并且成功了。对于那个程序，我在 pom.xml 中使用了以下依赖项：
<dependency>
<groupId>com.rabbitmq</groupId>
<artifactId>amqp-client</artifactId>
<version>5.10.0</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.5</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.10.0.pr2</version>
</dependency>
所以希望在 JBPM 中具有相同的功能，我去了设置和依赖项。我只是先添加依赖项：还没有 Java 代码。
我先添加了依赖 commons-lang3，我的 JBPM 流程（没有 RabbitMQ 逻辑）仍然有效。
然后我添加了依赖 jackson-databind，我的 JBPM 进程（仍然没有 RabbitMQ 逻辑）仍然有效。
然后我添加了依赖 amqp-client，我的 JBPM 进程（仍然没有 RabbitMQ 逻辑）失败如下：org.jboss.resteasy.spi.UnhandledException: java.lang.NoClassDefFoundError: Lcom/codahale/metrics/MetricRegistry;< /p>
让我强调：我没有添加任何代码。只有三个依赖项。
希望有人能帮忙。
完整的堆栈跟踪如下。
Unable to complete your request. The following exception occurred:
Error processing request
Context Path:/kie-server
Servlet Path:/services/rest
Path Info:/server/containers/BillsCopyOfFame_1.0.0-SNAPSHOT/processes/fame.ManufacturingErrorProcess/instances
Query String:null
Stack Trace:
org.jboss.resteasy.spi.UnhandledException: java.lang.NoClassDefFoundError: Lcom/codahale/metrics/MetricRegistry;
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.ExceptionHandler.handleApplicationException(ExceptionHandler.java:82)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:346)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:193)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:457)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:229)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:135)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.interception.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:356)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:138)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:215)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:227)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.api@2.0.0.Final//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
at io.opentracing.contrib.opentracing-jaxrs2//io.opentracing.contrib.jaxrs2.server.SpanFinishingFilter.doFilter(SpanFinishingFilter.java:52)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
at org.wildfly.extension.undertow@19.1.0.Final//org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
at io.undertow.core@2.1.0.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
at io.undertow.core@2.1.0.Final//io.undertow.server.handlers.DisableCacheHandler.handleRequest(DisableCacheHandler.java:33)
at io.undertow.core@2.1.0.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.core@2.1.0.Final//io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
at io.undertow.core@2.1.0.Final//io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
at io.undertow.core@2.1.0.Final//io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
at io.undertow.core@2.1.0.Final//io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
at io.undertow.core@2.1.0.Final//io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
at io.undertow.core@2.1.0.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.wildfly.extension.undertow@19.1.0.Final//org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
at io.undertow.core@2.1.0.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.wildfly.extension.undertow@19.1.0.Final//org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
at io.undertow.core@2.1.0.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
at org.wildfly.extension.undertow@19.1.0.Final//org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
at org.wildfly.extension.undertow@19.1.0.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1541)
at org.wildfly.extension.undertow@19.1.0.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1541)
at org.wildfly.extension.undertow@19.1.0.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1541)
at org.wildfly.extension.undertow@19.1.0.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1541)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)
at io.undertow.servlet@2.1.0.Final//io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)
at io.undertow.core@2.1.0.Final//io.undertow.server.Connectors.executeRootHandler(Connectors.java:370)
at io.undertow.core@2.1.0.Final//io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
at org.jboss.threads@2.3.3.Final//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
at org.jboss.threads@2.3.3.Final//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
at org.jboss.threads@2.3.3.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
at org.jboss.threads@2.3.3.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NoClassDefFoundError: Lcom/codahale/metrics/MetricRegistry;
at java.base/java.lang.Class.getDeclaredFields0(Native Method)
at java.base/java.lang.Class.privateGetDeclaredFields(Class.java:3062)
at java.base/java.lang.Class.getDeclaredFields(Class.java:2249)
at deployment.kie-server.war//com.thoughtworks.xstream.mapper.AnnotationMapper.processTypes(AnnotationMapper.java:205)
at deployment.kie-server.war//com.thoughtworks.xstream.mapper.AnnotationMapper.processAnnotations(AnnotationMapper.java:165)
at deployment.kie-server.war//com.thoughtworks.xstream.XStream.processAnnotations(XStream.java:2193)
at deployment.kie-server.war//com.thoughtworks.xstream.XStream.processAnnotations(XStream.java:2204)
at deployment.kie-server.war//org.kie.server.api.marshalling.xstream.XStreamMarshaller.configureMarshaller(XStreamMarshaller.java:208)
at deployment.kie-server.war//org.kie.server.api.marshalling.xstream.XStreamMarshaller.<init>(XStreamMarshaller.java:110)
at deployment.kie-server.war//org.kie.server.api.marshalling.BaseMarshallerBuilder.build(BaseMarshallerBuilder.java:39)
at deployment.kie-server.war//org.kie.server.api.marshalling.MarshallerFactory.getMarshaller(MarshallerFactory.java:50)
at deployment.kie-server.war//org.kie.server.services.impl.KieContainerInstanceImpl.getMarshaller(KieContainerInstanceImpl.java:184)
at deployment.kie-server.war//org.kie.server.services.impl.marshal.MarshallerHelper.unmarshal(MarshallerHelper.java:103)
at deployment.kie-server.war//org.kie.server.services.impl.marshal.MarshallerHelper.unmarshal(MarshallerHelper.java:88)
at deployment.kie-server.war//org.kie.server.services.jbpm.ProcessServiceBase.startProcess(ProcessServiceBase.java:98)
at deployment.kie-server.war//org.kie.server.remote.rest.jbpm.ProcessResource.startProcess(ProcessResource.java:180)
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.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:138)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:535)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:424)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeOnTarget$0(ResourceMethodInvoker.java:385)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.interception.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:356)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:387)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:356)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:329)
at org.jboss.resteasy.resteasy-jaxrs@3.11.2.Final//org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:440)
... 59 more
Caused by: java.lang.ClassNotFoundException: com.codahale.metrics.MetricRegistry
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:471)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:588)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 88 more